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Posted to commits@isis.apache.org by ah...@apache.org on 2020/12/21 13:44:37 UTC

[isis] branch master updated: ISIS-2033: major refactoring: Isis/DataNucleus integration moved to 'legacy'

This is an automated email from the ASF dual-hosted git repository.

ahuber pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/isis.git


The following commit(s) were added to refs/heads/master by this push:
     new 7529a8a  ISIS-2033: major refactoring: Isis/DataNucleus integration moved to 'legacy'
7529a8a is described below

commit 7529a8a3e4b2167b2d1c1248651e7c554b652248
Author: Andi Huber <ah...@apache.org>
AuthorDate: Mon Dec 21 14:44:20 2020 +0100

    ISIS-2033: major refactoring: Isis/DataNucleus integration moved to
    'legacy'
---
 .../apache/isis/core/config/IsisConfiguration.java |   4 +-
 .../isis/core/config/IsisModuleCoreConfig.java     |   2 +
 .../core/config/beans}/IsisBeanTypeRegistry.java   |   4 +-
 .../config/beans}/IsisBeanTypeRegistryDefault.java |   3 +-
 .../core/metamodel/IsisModuleCoreMetamodel.java    |   2 -
 .../_testing/MetaModelContext_forTesting.java      |   4 +-
 .../ClassSubstitutorForDomainObjects.java          |   2 +-
 .../services/registry/ServiceRegistryDefault.java  |   2 +-
 .../specloader/SpecificationLoaderDefault.java     |   2 +-
 .../specimpl/ObjectSpecificationAbstract.java      |   2 +-
 .../ServiceInjectorDefaultTest_usingFields.java    |   2 -
 ...InjectorDefaultTest_validateServices_happy.java |   2 -
 core/pom.xml                                       |  19 +++-
 .../homepage/HomePageResolverServiceDefault.java   |   2 +-
 .../src/main/java/demoapp/dom/DemoModule.java      |   2 +-
 examples/demo/javafx/pom.xml                       |   2 +-
 examples/demo/pom.xml                              |   7 ++
 extensions/core/command-log/impl/pom.xml           |   6 ++
 extensions/core/command-replay/secondary/pom.xml   |   8 ++
 extensions/security/secman/persistence-jdo/pom.xml |  13 ++-
 legacy/extensions/core/runtime/pom.xml             |   4 +-
 .../jdo/spring => legacy/jdo/applib}/pom.xml       |  53 +++++-----
 .../jdo/datanucleus}/pom.xml                       |  57 +++++------
 .../datanucleus}/IsisModuleJdoDataNucleus5.java    |  32 +++---
 .../CreateSchemaObjectFromClassMetadata.java       |  10 +-
 .../config}/DataNucleusPropertiesAware.java        |   2 +-
 .../datanucleus/config}/DataNucleusSettings.java   |   2 +-
 .../datanucleus/config}/JdoEntityTypeRegistry.java |   6 +-
 .../config}/spi/JdoObjectIdDecoder.java            |   6 +-
 .../config}/spi/JdoObjectIdEncoder.java            |   2 +-
 .../config}/spi/JdoObjectIdSerializer.java         |   4 +-
 ...xceptionRecognizerForJDODataStoreException.java |   2 +-
 ...RecognizerForJDODataStoreExceptionAbstract.java |   2 +-
 ...traintViolationForeignKeyNoActionException.java |   2 +-
 ...ionRecognizerForJDOObjectNotFoundException.java |   2 +-
 ...yConstraintViolationUniqueOrIndexException.java |   2 +-
 .../exceprecog/JdoNestedExceptionResolver.java     |   2 +-
 .../exceptions}/DataNucleusException.java          |   2 +-
 .../exceptions}/JdoRuntimeException.java           |   2 +-
 .../datanucleus}/jdosupport/IsisJdoSupportDN5.java |   6 +-
 .../mixins/Persistable_datanucleusIdLong.java      |   2 +-
 .../mixins/Persistable_datanucleusVersionLong.java |   2 +-
 .../Persistable_datanucleusVersionTimestamp.java   |   2 +-
 .../mixins/Persistable_downloadJdoMetadata.java    |   2 +-
 .../lifecycles}/DataNucleusLifeCycleHelper.java    |   2 +-
 .../JdoPersistenceLifecycleService.java            |  10 +-
 .../JdoStoreLifecycleListenerForIsis.java          |   4 +-
 .../lifecycles/LoadLifecycleListenerForIsis.java   |   2 +-
 .../datanucleus}/metamodel/JdoMetamodelMenu.java   |   4 +-
 .../datanucleus}/metamodel/JdoMetamodelUtil.java   |   2 +-
 .../metamodel/JdoProgrammingModelPlugin.java       |  24 ++---
 .../datanucleus/metamodel/JdoPropertyUtils.java    |   6 +-
 ...JdoDatastoreIdentityAnnotationFacetFactory.java |   4 +-
 .../JdoDatastoreIdentityFacet.java                 |   2 +-
 .../JdoDatastoreIdentityFacetAbstract.java         |   2 +-
 .../JdoDatastoreIdentityFacetAnnotation.java       |   2 +-
 .../JdoDatastoreIdentityFacetImpl.java             |   2 +-
 .../object/datastoreidentity}/package-info.java    |   2 +-
 .../JdoDiscriminatorAnnotationFacetFactory.java    |   4 +-
 .../discriminator/JdoDiscriminatorFacet.java       |   2 +-
 .../JdoDiscriminatorFacetDefault.java              |   2 +-
 ...nferredFromJdoDiscriminatorValueAnnotation.java |   2 +-
 .../facets/object/discriminator}/package-info.java |   2 +-
 ...cIdFacetForJdoPersistenceCapableAnnotation.java |   4 +-
 ...doPersistenceCapableAnnotationFacetFactory.java |   6 +-
 .../JdoPersistenceCapableFacet.java                |   2 +-
 .../JdoPersistenceCapableFacetAbstract.java        |   4 +-
 .../JdoPersistenceCapableFacetAnnotation.java      |   2 +-
 .../JdoPersistenceCapableFacetImpl.java            |   4 +-
 .../object/persistencecapable/package-info.java    |   2 +-
 .../facets/object/query/JdoNamedQuery.java         |   2 +-
 .../object/query/JdoQueriesFacetAnnotation.java    |   2 +-
 .../query/JdoQueryAnnotationFacetFactory.java      |   4 +-
 .../facets/object/query/JdoQueryFacet.java         |   2 +-
 .../facets/object/query/JdoQueryFacetAbstract.java |   2 +-
 .../object/query/JdoQueryFacetAnnotation.java      |   2 +-
 .../object/query/VisitorForClauseAbstract.java     |   2 +-
 .../facets/object/query/VisitorForFromClause.java  |   2 +-
 .../object/query/VisitorForVariablesClause.java    |   4 +-
 .../version/JdoVersionAnnotationFacetFactory.java  |   4 +-
 .../facets/object/version/JdoVersionFacet.java     |   2 +-
 .../version/JdoVersionFacetFromAnnotation.java     |   2 +-
 .../facets/object/version}/package-info.java       |   2 +-
 ...DerivedFromJdoColumnAnnotationFacetFactory.java |   6 +-
 .../BigDecimalFacetDerivedFromJdoColumn.java       |   2 +-
 .../prop/column/BigDecimalFacetFallback.java       |   2 +-
 .../column/MandatoryFacetDerivedFromJdoColumn.java |   2 +-
 ...ndatoryFacetInferredFromAbsenceOfJdoColumn.java |   2 +-
 ...ndatoryFromJdoColumnAnnotationFacetFactory.java |  10 +-
 ...DerivedFromJdoColumnAnnotationFacetFactory.java |   8 +-
 .../column/MaxLengthFacetDerivedFromJdoColumn.java |   2 +-
 .../JdoNotPersistentAnnotationFacetFactory.java    |   4 +-
 .../prop/notpersistent/JdoNotPersistentFacet.java  |   2 +-
 .../JdoNotPersistentFacetAbstract.java             |   2 +-
 .../JdoNotPersistentFacetAnnotation.java           |   2 +-
 .../notpersistent/JdoNotPersistentFacetImpl.java   |   2 +-
 ...ledFacetDerivedFromJdoPrimaryKeyAnnotation.java |   2 +-
 .../JdoPrimaryKeyAnnotationFacetFactory.java       |   4 +-
 .../facets/prop/primarykey/JdoPrimaryKeyFacet.java |   2 +-
 .../primarykey/JdoPrimaryKeyFacetAbstract.java     |   2 +-
 .../primarykey/JdoPrimaryKeyFacetAnnotation.java   |   2 +-
 .../prop/primarykey/JdoPrimaryKeyFacetImpl.java    |   2 +-
 ...nalFacetDerivedFromJdoPrimaryKeyAnnotation.java |   2 +-
 .../facets/prop/primarykey/package-info.java       |   2 +-
 .../util/JdoPrimaryKeyPropertyPredicate.java       |   4 +-
 .../datanucleus}/objectadapter/ObjectAdapter.java  |   2 +-
 .../objectadapter/ObjectAdapterContext.java        |   4 +-
 .../ObjectAdapterContext_Factories.java            |   4 +-
 .../ObjectAdapterContext_NewIdentifier.java        |   4 +-
 ...ObjectAdapterContext_ObjectAdapterProvider.java |   2 +-
 .../objectadapter/ObjectAdapterProvider.java       |   2 +-
 .../datanucleus}/objectadapter/PojoAdapter.java    |   2 +-
 .../persistence/DNStoreManagerType.java            |   2 +-
 .../DataNucleusApplicationComponents5.java         |  10 +-
 .../persistence/IsisLifecycleListener.java         |  22 ++--
 .../persistence/IsisPersistenceSessionJdo.java     |   6 +-
 .../persistence/IsisPersistenceSessionJdoBase.java |   6 +-
 .../IsisPlatformTransactionManagerForJdo.java      |   4 +-
 .../persistence/IsisTransactionJdo.java            |   8 +-
 .../persistence/IsisTransactionManagerJdo.java     |   4 +-
 .../persistence/PersistenceSession.java            |   2 +-
 .../persistence/PersistenceSession5.java           |  34 +++----
 .../persistence/PersistenceSessionFactory.java     |   2 +-
 .../persistence/PersistenceSessionFactory5.java    |  11 +-
 .../jdo/datanucleus/persistence/_ContextUtil.java  |   6 +-
 .../legacy/jdo/datanucleus/persistence/_Utils.java |   6 +-
 .../persistence/command/CreateObjectCommand.java   |   2 +-
 .../persistence/command/DestroyObjectCommand.java  |   2 +-
 .../persistence/command/PersistenceCommand.java    |   2 +-
 .../command/PersistenceCommandAbstract.java        |   2 +-
 .../commands/AbstractDataNucleusObjectCommand.java |   4 +-
 .../commands/DataNucleusCreateObjectCommand.java   |   6 +-
 .../commands/DataNucleusDeleteObjectCommand.java   |   4 +-
 .../PersistenceQueryFindAllInstancesProcessor.java |   6 +-
 ...sistenceQueryFindUsingApplibQueryProcessor.java |  10 +-
 .../queries/PersistenceQueryProcessor.java         |   4 +-
 .../queries/PersistenceQueryProcessorAbstract.java |  10 +-
 .../datanucleus/persistence/queries/QueryUtil.java |   2 +-
 .../persistence/query/PersistenceQuery.java        |   2 +-
 .../query/PersistenceQueryAbstract.java            |   2 +-
 .../persistence/query/PersistenceQueryFactory.java |   4 +-
 .../query/PersistenceQueryFindAllInstances.java    |   2 +-
 ...ersistenceQueryFindUsingApplibQueryDefault.java |   4 +-
 .../jdo/datanucleus}/PojoAdapterBuilder.java       |   5 +-
 .../adapterfactory/PojoAdapterTest.java            |   6 +-
 .../jdo/datanucleus}/adapterfactory/TestPojo.java  |   2 +-
 ...LIntegrityConstraintViolationExceptionTest.java |   4 +-
 ...atastoreIdentityAnnotationFacetFactoryTest.java |   7 +-
 ...JdoDiscriminatorAnnotationFacetFactoryTest.java |   8 +-
 ...rsistenceCapableAnnotationFacetFactoryTest.java |   7 +-
 .../query/JdoQueryAnnotationFacetFactoryTest.java  |   5 +-
 .../JdoVersionAnnotationFacetFactoryTest.java      |   7 +-
 ...AnnotationFacetFactoryTest_refineMetaModel.java |   3 +-
 ...vedFromJdoColumnAnnotationFacetFactoryTest.java |   7 +-
 ...vedFromJdoColumnAnnotationFacetFactoryTest.java |   7 +-
 ...impleObjectWithBigDecimalColumnAnnotations.java |   2 +-
 ...impleObjectWithColumnAllowsNullAnnotations.java |   2 +-
 ...JdoNotPersistentAnnotationFacetFactoryTest.java |   6 +-
 .../SimpleObjectWithNotPersistentColumn.java       |   2 +-
 ...venJdoPrimaryKeyAnnotationFacetFactoryTest.java |   8 +-
 .../primarykey/SimpleObjectWithPrimaryKey.java     |   2 +-
 .../ObjectReflectorDefaultTest_object.java         |   2 +-
 .../SpecificationLoaderTestAbstract.java           |   2 +-
 .../testing/AbstractFacetFactoryTest.java          |   2 +-
 .../testing/ObjectMemberAbstractTest.java          |   6 +-
 .../legacy/jdo/datanucleus}/testing/Utils.java     |   2 +-
 legacy/pom.xml                                     |  12 +++
 mavendeps/webapp/pom.xml                           |   2 +-
 .../JdoSupportService.java                         |   4 +-
 ...e.isis.core.config.beans.IsisBeanTypeClassifier |   1 -
 .../jdo/{implementation => datanucleus}/pom.xml    |  13 ++-
 .../IsisModuleJdoProviderDataNucleus.java}         |  22 ++--
 .../datanucleus/config/DnBeanTypeClassifier.java}  |   6 +-
 .../config/DnEntityDiscoveryListener.java}         |  14 ++-
 .../entities/DnEntityStateProvider.java            |  36 +++++++
 .../applib/IsisBookmarkConverter.java              |   2 +-
 .../applib/IsisLocalResourcePathConverter.java     |   2 +-
 .../typeconverters/applib/IsisMarkupConverter.java |   2 +-
 .../applib/IsisPasswordConverter.java              |   2 +-
 .../JavaAwtBufferedImageByteArrayConverter.java    |   2 +-
 .../schema/v2/IsisChangesDtoConverter.java         |   2 +-
 .../schema/v2/IsisCommandDtoConverter.java         |   2 +-
 .../schema/v2/IsisInteractionDtoConverter.java     |   2 +-
 .../schema/v2/IsisOidDtoConverter.java             |   2 +-
 .../time/IsoOffsetTimeConverter.java               |   2 +-
 .../time/IsoZonedDateTimeConverter.java            |   2 +-
 .../applib/ByteArrayBlobRdbmsMapping.java          |   2 +-
 .../valuetypes/applib/IsisBlobMapping.java         |   2 +-
 .../valuetypes/applib/IsisClobMapping.java         |   2 +-
 .../src/main/resources/META-INF/MANIFEST.MF        |   0
 ...e.isis.core.config.beans.IsisBeanTypeClassifier |   1 +
 .../src/main/resources/plugin.xml                  |  30 +++---
 .../IsisModuleJdoImplementation.java               |  98 ------------------
 persistence/jdo/integration/pom.xml                |  45 +--------
 .../metamodel/JdoEntityFacetFactory.java           |  30 ++----
 persistence/jdo/pom.xml                            |   6 +-
 persistence/jdo/{ => provider}/pom.xml             |  35 ++++---
 .../config/JdoEntityDiscoveryListener.java}        |  12 ++-
 .../provider/entities/JdoEntityStateProvider.java} |  12 +--
 persistence/jdo/spring/pom.xml                     |  41 +-------
 .../jdo/spring/IsisModuleJdoSpring.java            |  14 ++-
 ...sactionAwarePersistenceManagerFactoryProxy.java |   2 +-
 regressiontests/pom.xml                            |   8 ++
 .../conf/Configuration_usingJdoAndShiro.java       |   2 +-
 .../conf/Configuration_usingJdoIsis.java           |   2 +-
 .../conf/Configuration_usingJdoSpring.java         |   2 +
 .../bootstrapping/AutoConfigurationTest.java       |   4 +-
 .../persistence/jdo/isis/JdoIsisQueryTest.java     |   2 +-
 .../persistence/jdo/spring/JdoSpringQueryTest.java |   2 +-
 ...ctionRollbackTest_usingTransactionService.java} |   2 +-
 ...ctionRollbackTest_usingTransactionService.java} |  13 +--
 ...ransactionRollbackTest_usingTransactional.java} |  66 +++++-------
 .../JdoSpringTransactionScopeListenerTest.java     | 112 +++++++++++++++++++++
 subdomains/excel/fixture/pom.xml                   |   6 +-
 subdomains/excel/integtests/pom.xml                |   9 +-
 .../integtests/ExcelModuleIntegTestAbstract.java   |   2 +-
 testing/fakedata/fixtures/pom.xml                  |   2 +-
 testing/fakedata/integtests/pom.xml                |   7 ++
 .../FakeDataModuleIntegTestAbstract.java           |   2 +-
 testing/integtestsupport/applib/pom.xml            |  10 +-
 220 files changed, 804 insertions(+), 730 deletions(-)

diff --git a/core/config/src/main/java/org/apache/isis/core/config/IsisConfiguration.java b/core/config/src/main/java/org/apache/isis/core/config/IsisConfiguration.java
index 8bc8874..4143ff5 100644
--- a/core/config/src/main/java/org/apache/isis/core/config/IsisConfiguration.java
+++ b/core/config/src/main/java/org/apache/isis/core/config/IsisConfiguration.java
@@ -1640,7 +1640,9 @@ public class IsisConfiguration {
         private final JdoDatanucleus jdoDatanucleus = new JdoDatanucleus();
         @Data
         public static class JdoDatanucleus {
-            private String classMetadataLoadedListener = "org.apache.isis.persistence.jdo.datanucleus5.datanucleus.CreateSchemaObjectFromClassMetadata";
+            
+            @Deprecated
+            private String classMetadataLoadedListener = "org.apache.isis.legacy.jdo.datanucleus.config.CreateSchemaObjectFromClassMetadata";
 
             private final Impl impl = new Impl();
             @Data
diff --git a/core/config/src/main/java/org/apache/isis/core/config/IsisModuleCoreConfig.java b/core/config/src/main/java/org/apache/isis/core/config/IsisModuleCoreConfig.java
index ff40f3a..8ac5ea1 100644
--- a/core/config/src/main/java/org/apache/isis/core/config/IsisModuleCoreConfig.java
+++ b/core/config/src/main/java/org/apache/isis/core/config/IsisModuleCoreConfig.java
@@ -28,6 +28,7 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 
 import org.apache.isis.core.config.beans.IsisBeanFactoryPostProcessorForSpring;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistryDefault;
 import org.apache.isis.core.config.converters.PatternsConverter;
 import org.apache.isis.core.config.environment.IsisLocaleInitializer;
 import org.apache.isis.core.config.environment.IsisSystemEnvironment;
@@ -46,6 +47,7 @@ import org.apache.isis.core.config.viewer.wicket.WebAppContextPath;
     PatternOptionalStringConstraintValidator.class,
 
     // @Service's
+    IsisBeanTypeRegistryDefault.class,
     IsisSystemEnvironment.class,
     WebAppContextPath.class,
 })
diff --git a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/registry/IsisBeanTypeRegistry.java b/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeRegistry.java
similarity index 94%
rename from core/metamodel/src/main/java/org/apache/isis/core/metamodel/registry/IsisBeanTypeRegistry.java
rename to core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeRegistry.java
index 173571a..6e558bf 100644
--- a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/registry/IsisBeanTypeRegistry.java
+++ b/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeRegistry.java
@@ -16,15 +16,13 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.core.metamodel.registry;
+package org.apache.isis.core.config.beans;
 
 import java.util.Map;
 import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Stream;
 
-import org.apache.isis.core.config.beans.IsisBeanMetaData;
-
 /**
  * Holds the set of domain services, persistent entities and fixture scripts etc., but not values.
  * @since 2.0
diff --git a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/registry/IsisBeanTypeRegistryDefault.java b/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeRegistryDefault.java
similarity index 97%
rename from core/metamodel/src/main/java/org/apache/isis/core/metamodel/registry/IsisBeanTypeRegistryDefault.java
rename to core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeRegistryDefault.java
index 7d18033..0dfdef8 100644
--- a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/registry/IsisBeanTypeRegistryDefault.java
+++ b/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeRegistryDefault.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.core.metamodel.registry;
+package org.apache.isis.core.config.beans;
 
 import java.util.HashMap;
 import java.util.HashSet;
@@ -37,7 +37,6 @@ import org.apache.isis.applib.annotation.OrderPrecedence;
 import org.apache.isis.commons.collections.Can;
 import org.apache.isis.commons.internal.base._NullSafe;
 import org.apache.isis.commons.internal.collections._Maps;
-import org.apache.isis.core.config.beans.IsisBeanMetaData;
 
 import lombok.Getter;
 import lombok.NonNull;
diff --git a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/IsisModuleCoreMetamodel.java b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/IsisModuleCoreMetamodel.java
index 5ab977e..434903f 100644
--- a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/IsisModuleCoreMetamodel.java
+++ b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/IsisModuleCoreMetamodel.java
@@ -29,7 +29,6 @@ import org.apache.isis.core.metamodel.facets.schema.IsisSchemaValueTypeProvider;
 import org.apache.isis.core.metamodel.inspect.IsisModuleCoreMetamodelInspection;
 import org.apache.isis.core.metamodel.objectmanager.ObjectManagerDefault;
 import org.apache.isis.core.metamodel.progmodel.ProgrammingModelInitFilterDefault;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistryDefault;
 import org.apache.isis.core.metamodel.services.ServiceInjectorDefault;
 import org.apache.isis.core.metamodel.services.appfeat.ApplicationFeatureFactory;
 import org.apache.isis.core.metamodel.services.appfeat.ApplicationFeatureRepositoryDefault;
@@ -96,7 +95,6 @@ import org.apache.isis.core.security.IsisModuleCoreSecurity;
         ServiceRegistryDefault.class,
         TableColumnOrderServiceDefault.class,
         TitleServiceDefault.class,
-        IsisBeanTypeRegistryDefault.class,
         SpecificationLoaderDefault.class,
 
         // @Repository's
diff --git a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/_testing/MetaModelContext_forTesting.java b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/_testing/MetaModelContext_forTesting.java
index a3adb5d..42a6927 100644
--- a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/_testing/MetaModelContext_forTesting.java
+++ b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/_testing/MetaModelContext_forTesting.java
@@ -43,14 +43,14 @@ import org.apache.isis.commons.internal.collections._Maps;
 import org.apache.isis.core.config.IsisConfiguration;
 import org.apache.isis.core.config.beans.IsisBeanFactoryPostProcessorForSpring;
 import org.apache.isis.core.config.beans.IsisBeanTypeClassifier;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistryDefault;
 import org.apache.isis.core.config.environment.IsisSystemEnvironment;
 import org.apache.isis.core.metamodel.context.MetaModelContext;
 import org.apache.isis.core.metamodel.execution.MemberExecutorService;
 import org.apache.isis.core.metamodel.objectmanager.ObjectManager;
 import org.apache.isis.core.metamodel.objectmanager.ObjectManagerDefault;
 import org.apache.isis.core.metamodel.progmodel.ProgrammingModel;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistryDefault;
 import org.apache.isis.core.metamodel.services.events.MetamodelEventService;
 import org.apache.isis.core.metamodel.spec.ManagedObject;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
diff --git a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/services/classsubstitutor/ClassSubstitutorForDomainObjects.java b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/services/classsubstitutor/ClassSubstitutorForDomainObjects.java
index d8b5c5c..759402b 100644
--- a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/services/classsubstitutor/ClassSubstitutorForDomainObjects.java
+++ b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/services/classsubstitutor/ClassSubstitutorForDomainObjects.java
@@ -27,7 +27,7 @@ import org.springframework.stereotype.Component;
 
 import org.apache.isis.applib.annotation.OrderPrecedence;
 import org.apache.isis.core.config.beans.IsisBeanMetaData;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
 
 import lombok.NonNull;
 import lombok.val;
diff --git a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/services/registry/ServiceRegistryDefault.java b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/services/registry/ServiceRegistryDefault.java
index 34f93dc..ee52d79 100644
--- a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/services/registry/ServiceRegistryDefault.java
+++ b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/services/registry/ServiceRegistryDefault.java
@@ -39,8 +39,8 @@ import org.apache.isis.commons.internal.base._Lazy;
 import org.apache.isis.commons.internal.base._NullSafe;
 import org.apache.isis.commons.internal.collections._Maps;
 import org.apache.isis.commons.internal.ioc._ManagedBeanAdapter;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
 import org.apache.isis.core.config.environment.IsisSystemEnvironment;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
 
 import lombok.val;
 
diff --git a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/specloader/SpecificationLoaderDefault.java b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/specloader/SpecificationLoaderDefault.java
index 92f80b2..1a947d9 100644
--- a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/specloader/SpecificationLoaderDefault.java
+++ b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/specloader/SpecificationLoaderDefault.java
@@ -50,6 +50,7 @@ import org.apache.isis.commons.internal.exceptions._Exceptions;
 import org.apache.isis.core.config.IsisConfiguration;
 import org.apache.isis.core.config.beans.IsisBeanMetaData;
 import org.apache.isis.core.config.beans.IsisBeanTypeClassifier;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
 import org.apache.isis.core.config.environment.IsisSystemEnvironment;
 import org.apache.isis.core.config.metamodel.specloader.IntrospectionMode;
 import org.apache.isis.core.metamodel.commons.ClassUtil;
@@ -58,7 +59,6 @@ import org.apache.isis.core.metamodel.facetapi.Facet;
 import org.apache.isis.core.metamodel.progmodel.ProgrammingModel;
 import org.apache.isis.core.metamodel.progmodel.ProgrammingModelService;
 import org.apache.isis.core.metamodel.progmodels.dflt.ProgrammingModelFacetsJava8;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
 import org.apache.isis.core.metamodel.services.appfeat.ApplicationFeatureType;
 import org.apache.isis.core.metamodel.services.classsubstitutor.ClassSubstitutor;
 import org.apache.isis.core.metamodel.services.classsubstitutor.ClassSubstitutor.Substitution;
diff --git a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/specloader/specimpl/ObjectSpecificationAbstract.java b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/specloader/specimpl/ObjectSpecificationAbstract.java
index a9e638f..87fce48 100644
--- a/core/metamodel/src/main/java/org/apache/isis/core/metamodel/specloader/specimpl/ObjectSpecificationAbstract.java
+++ b/core/metamodel/src/main/java/org/apache/isis/core/metamodel/specloader/specimpl/ObjectSpecificationAbstract.java
@@ -43,6 +43,7 @@ import org.apache.isis.commons.internal.collections._Multimaps.ListMultimap;
 import org.apache.isis.commons.internal.collections._Sets;
 import org.apache.isis.commons.internal.collections._Streams;
 import org.apache.isis.commons.internal.exceptions._Exceptions;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
 import org.apache.isis.core.metamodel.commons.ClassExtensions;
 import org.apache.isis.core.metamodel.consent.Consent;
 import org.apache.isis.core.metamodel.consent.InteractionInitiatedBy;
@@ -69,7 +70,6 @@ import org.apache.isis.core.metamodel.interactions.InteractionContext;
 import org.apache.isis.core.metamodel.interactions.InteractionUtils;
 import org.apache.isis.core.metamodel.interactions.ObjectTitleContext;
 import org.apache.isis.core.metamodel.interactions.ObjectValidityContext;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
 import org.apache.isis.core.metamodel.spec.ActionType;
 import org.apache.isis.core.metamodel.spec.ManagedObject;
 import org.apache.isis.core.metamodel.spec.ObjectSpecId;
diff --git a/core/metamodel/src/test/java/org/apache/isis/core/metamodel/services/ServiceInjectorDefaultTest_usingFields.java b/core/metamodel/src/test/java/org/apache/isis/core/metamodel/services/ServiceInjectorDefaultTest_usingFields.java
index ca48d7c..1c79df1 100644
--- a/core/metamodel/src/test/java/org/apache/isis/core/metamodel/services/ServiceInjectorDefaultTest_usingFields.java
+++ b/core/metamodel/src/test/java/org/apache/isis/core/metamodel/services/ServiceInjectorDefaultTest_usingFields.java
@@ -39,7 +39,6 @@ import org.apache.isis.applib.services.inject.ServiceInjector;
 import org.apache.isis.applib.services.repository.RepositoryService;
 import org.apache.isis.core.config.IsisModuleCoreConfig;
 import org.apache.isis.core.config.beans.IsisBeanFactoryPostProcessorForSpring;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistryDefault;
 import org.apache.isis.core.metamodel.services.registry.ServiceRegistryDefault;
 
 import lombok.Getter;
@@ -47,7 +46,6 @@ import lombok.Getter;
 @ActiveProfiles("test")
 @SpringBootTest(classes = {
         IsisBeanFactoryPostProcessorForSpring.class,
-        IsisBeanTypeRegistryDefault.class,
         IsisModuleCoreConfig.class,
         ServiceInjectorDefault.class,
         ServiceRegistryDefault.class,
diff --git a/core/metamodel/src/test/java/org/apache/isis/core/metamodel/services/ServiceInjectorDefaultTest_validateServices_happy.java b/core/metamodel/src/test/java/org/apache/isis/core/metamodel/services/ServiceInjectorDefaultTest_validateServices_happy.java
index fac4b6b..3a6aff5 100644
--- a/core/metamodel/src/test/java/org/apache/isis/core/metamodel/services/ServiceInjectorDefaultTest_validateServices_happy.java
+++ b/core/metamodel/src/test/java/org/apache/isis/core/metamodel/services/ServiceInjectorDefaultTest_validateServices_happy.java
@@ -36,13 +36,11 @@ import org.apache.isis.applib.annotation.DomainService;
 import org.apache.isis.applib.services.registry.ServiceRegistry;
 import org.apache.isis.core.config.IsisModuleCoreConfig;
 import org.apache.isis.core.config.beans.IsisBeanFactoryPostProcessorForSpring;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistryDefault;
 import org.apache.isis.core.metamodel.services.registry.ServiceRegistryDefault;
 
 @ActiveProfiles("test")
 @SpringBootTest(classes = {
         IsisModuleCoreConfig.class,
-        IsisBeanTypeRegistryDefault.class,
         ServiceInjectorDefault.class,
         ServiceRegistryDefault.class,
         ServiceInjectorLegacyTest.Producers.class,
diff --git a/core/pom.xml b/core/pom.xml
index 4f6b341..e700991 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -753,7 +753,7 @@
 			</dependency>
 			<dependency>
 				<groupId>org.apache.isis.persistence</groupId>
-				<artifactId>isis-persistence-jdo-implementation</artifactId>
+				<artifactId>isis-persistence-jdo-provider</artifactId>
 				<version>2.0.0-SNAPSHOT</version>
 			</dependency>
 			<dependency>
@@ -763,7 +763,17 @@
 			</dependency>
 			<dependency>
 				<groupId>org.apache.isis.persistence</groupId>
-				<artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+				<artifactId>isis-persistence-jdo-datanucleus</artifactId>
+				<version>2.0.0-SNAPSHOT</version>
+			</dependency>
+			<dependency>
+				<groupId>org.apache.isis.legacy</groupId>
+				<artifactId>isis-legacy-jdo-applib</artifactId>
+				<version>2.0.0-SNAPSHOT</version>
+			</dependency>
+			<dependency>
+				<groupId>org.apache.isis.legacy</groupId>
+				<artifactId>isis-legacy-jdo-datanucleus</artifactId>
 				<version>2.0.0-SNAPSHOT</version>
 			</dependency>
 			<dependency>
@@ -1789,6 +1799,11 @@
 
 		<module>../persistence/jdo</module>
 		<module>../persistence/jpa</module>
+		
+		<!-- LEGACY -->
+		<module>../legacy/jdo/applib</module>
+		<module>../legacy/jdo/datanucleus</module>
+		
 	</modules>
 
 </project>
diff --git a/core/runtimeservices/src/main/java/org/apache/isis/core/runtimeservices/homepage/HomePageResolverServiceDefault.java b/core/runtimeservices/src/main/java/org/apache/isis/core/runtimeservices/homepage/HomePageResolverServiceDefault.java
index eab968e..c909e7b 100644
--- a/core/runtimeservices/src/main/java/org/apache/isis/core/runtimeservices/homepage/HomePageResolverServiceDefault.java
+++ b/core/runtimeservices/src/main/java/org/apache/isis/core/runtimeservices/homepage/HomePageResolverServiceDefault.java
@@ -31,8 +31,8 @@ import org.apache.isis.applib.annotation.OrderPrecedence;
 import org.apache.isis.applib.services.factory.FactoryService;
 import org.apache.isis.applib.services.homepage.HomePageResolverService;
 import org.apache.isis.commons.internal.reflection._Annotations;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
 import org.apache.isis.core.metamodel.commons.ClassExtensions;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
 
 import lombok.val;
 
diff --git a/examples/demo/domain/src/main/java/demoapp/dom/DemoModule.java b/examples/demo/domain/src/main/java/demoapp/dom/DemoModule.java
index 49aafb2..2f15f57 100644
--- a/examples/demo/domain/src/main/java/demoapp/dom/DemoModule.java
+++ b/examples/demo/domain/src/main/java/demoapp/dom/DemoModule.java
@@ -32,7 +32,7 @@ import org.apache.isis.extensions.modelannotation.metamodel.IsisModuleExtModelAn
 import org.apache.isis.extensions.secman.api.SecurityModuleConfig;
 import org.apache.isis.extensions.secman.api.permission.PermissionsEvaluationService;
 import org.apache.isis.extensions.secman.api.permission.PermissionsEvaluationServiceAllowBeatsVeto;
-import org.apache.isis.persistence.jdo.datanucleus5.IsisModuleJdoDataNucleus5;
+import org.apache.isis.legacy.jdo.datanucleus.IsisModuleJdoDataNucleus5;
 import org.apache.isis.testing.fixtures.applib.IsisModuleTestingFixturesApplib;
 
 @Configuration
diff --git a/examples/demo/javafx/pom.xml b/examples/demo/javafx/pom.xml
index 74225fd..4aa7fe9 100644
--- a/examples/demo/javafx/pom.xml
+++ b/examples/demo/javafx/pom.xml
@@ -75,7 +75,7 @@
 
 		<dependency>
 			<groupId>org.apache.isis.persistence</groupId>
-			<artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+			<artifactId>isis-persistence-jdo-applib</artifactId>
 		</dependency>
 
 		<dependency>
diff --git a/examples/demo/pom.xml b/examples/demo/pom.xml
index a9fffa4..bba52a4 100644
--- a/examples/demo/pom.xml
+++ b/examples/demo/pom.xml
@@ -143,6 +143,13 @@
 			<type>pom</type>
 		</dependency>
 
+		<!-- PERSISTENCE -->
+
+        <dependency>
+            <groupId>org.apache.isis.legacy</groupId>
+            <artifactId>isis-legacy-jdo-datanucleus</artifactId>
+        </dependency>
+
 		<!-- EXTENSIONS -->
 
 		<dependency>
diff --git a/extensions/core/command-log/impl/pom.xml b/extensions/core/command-log/impl/pom.xml
index 13aa3c3..585061e 100644
--- a/extensions/core/command-log/impl/pom.xml
+++ b/extensions/core/command-log/impl/pom.xml
@@ -69,6 +69,12 @@
             <groupId>org.apache.isis.core</groupId>
             <artifactId>isis-core-runtimeservices</artifactId>
         </dependency>
+        
+        <!-- PERSISTENCE -->
+        <dependency>
+            <groupId>org.apache.isis.legacy</groupId>
+            <artifactId>isis-legacy-jdo-datanucleus</artifactId>
+        </dependency>
 
     </dependencies>
 
diff --git a/extensions/core/command-replay/secondary/pom.xml b/extensions/core/command-replay/secondary/pom.xml
index a321a5f..2f31d1c 100644
--- a/extensions/core/command-replay/secondary/pom.xml
+++ b/extensions/core/command-replay/secondary/pom.xml
@@ -76,6 +76,14 @@
             <groupId>org.apache.isis.extensions</groupId>
             <artifactId>isis-extensions-quartz-impl</artifactId>
         </dependency>
+        
+         <!-- TESTING -->
+		
+        <dependency>
+            <groupId>org.apache.isis.core</groupId>
+            <artifactId>isis-core-internaltestsupport</artifactId>
+            <scope>test</scope>
+        </dependency>
 
     </dependencies>
 
diff --git a/extensions/security/secman/persistence-jdo/pom.xml b/extensions/security/secman/persistence-jdo/pom.xml
index c253096..02b6541 100644
--- a/extensions/security/secman/persistence-jdo/pom.xml
+++ b/extensions/security/secman/persistence-jdo/pom.xml
@@ -42,10 +42,16 @@
 	
 		<dependency>
 			<groupId>org.apache.isis.persistence</groupId>
-			<artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+			<artifactId>isis-persistence-jdo-applib</artifactId>
 			<scope>provided</scope>
 		</dependency>
-
+		
+		<dependency>
+			<groupId>org.apache.isis.persistence</groupId>
+			<artifactId>isis-persistence-jdo-datanucleus</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		
 		<dependency>
 			<groupId>org.apache.isis.core</groupId>
 			<artifactId>isis-core-runtime</artifactId>
@@ -55,21 +61,18 @@
 		<dependency>
 			<groupId>org.apache.isis.extensions</groupId>
 			<artifactId>isis-extensions-secman-api</artifactId>
-			<version>2.0.0-SNAPSHOT</version>
 			<scope>provided</scope>
 		</dependency>
 		
 		<dependency>
 			<groupId>org.apache.isis.extensions</groupId>
 			<artifactId>isis-extensions-secman-model</artifactId>
-			<version>2.0.0-SNAPSHOT</version>
 			<scope>provided</scope>
 		</dependency>
 		
 		<dependency>
 			<groupId>org.apache.isis.testing</groupId>
 			<artifactId>isis-testing-fixtures-applib</artifactId>
-			<version>2.0.0-SNAPSHOT</version>
 		</dependency>
 
     </dependencies>
diff --git a/legacy/extensions/core/runtime/pom.xml b/legacy/extensions/core/runtime/pom.xml
index da4e593..8956065 100644
--- a/legacy/extensions/core/runtime/pom.xml
+++ b/legacy/extensions/core/runtime/pom.xml
@@ -73,8 +73,8 @@
 		</dependency>
 
 		<dependency>
-			<groupId>org.apache.isis.persistence</groupId>
-			<artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+			<groupId>org.apache.isis.legacy</groupId>
+			<artifactId>isis-legacy-jdo-datanucleus</artifactId>
 			<scope>provided</scope>
 		</dependency>
 
diff --git a/persistence/jdo/spring/pom.xml b/legacy/jdo/applib/pom.xml
similarity index 69%
copy from persistence/jdo/spring/pom.xml
copy to legacy/jdo/applib/pom.xml
index 176511d..6c250a9 100644
--- a/persistence/jdo/spring/pom.xml
+++ b/legacy/jdo/applib/pom.xml
@@ -14,21 +14,23 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<parent>
-		<groupId>org.apache.isis.persistence</groupId>
-		<artifactId>isis-persistence-jdo</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
-	</parent>
+        <groupId>org.apache.isis.legacy</groupId>
+        <artifactId>isis-legacy</artifactId>
+        <version>2.0.0-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
 
-	<artifactId>isis-persistence-jdo-spring</artifactId>
+	<artifactId>isis-legacy-jdo-applib</artifactId>
 
-	<name>Apache Isis Persistence - JDO (Spring)</name>
+	<name>Apache Isis Legacy - JDO (applib)</name>
 	<description>
-		JDO Spring integration. (EXPERIMENTAL)
+		Supplementary applib for (legacy) JDO persistence. 
+		To ease migration from Apache Isis versions 1.16+ to 2.0.0.
     </description>
 
 	<properties>
-		<jar-plugin.automaticModuleName>org.apache.isis.persistence.jdo.spring</jar-plugin.automaticModuleName>
-		<git-plugin.propertiesDir>org/apache/isis/persistence/jdo/spring</git-plugin.propertiesDir>
+		<jar-plugin.automaticModuleName>org.apache.isis.legacy.jdo.applib</jar-plugin.automaticModuleName>
+		<git-plugin.propertiesDir>org/apache/isis/legacy/jdo/applib</git-plugin.propertiesDir>
 	</properties>
 
 	<build>
@@ -68,39 +70,30 @@
 
 	<dependencies>
 
-		<!-- ISIS -->
-
-		<dependency>
-			<groupId>org.apache.isis.commons</groupId>
-			<artifactId>isis-commons</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>org.apache.isis.core</groupId>
 			<artifactId>isis-applib</artifactId>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.isis.persistence</groupId>
-			<artifactId>isis-persistence-jdo-applib</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.isis.persistence</groupId>
-			<artifactId>isis-persistence-jdo-implementation</artifactId>
+			<groupId>org.apache.isis.commons</groupId>
+			<artifactId>isis-commons</artifactId>
 		</dependency>
 
-		<!-- SPRING -->
-		
+		<!-- JDO API (providing compile dependency) -->
 		<dependency>
-		    <groupId>org.springframework</groupId>
-		    <artifactId>spring-jdbc</artifactId>
-		    <scope>provided</scope>
+			<groupId>org.datanucleus</groupId>
+			<artifactId>javax.jdo</artifactId>
 		</dependency>
-		
+
 		<dependency>
-		    <groupId>org.springframework</groupId>
-		    <artifactId>spring-web</artifactId>
-		    <scope>provided</scope>
+			<groupId>org.datanucleus</groupId>
+			<artifactId>datanucleus-rdbms</artifactId>
+			<!-- to avoid polluting the classpath -->
+			<optional>true</optional>
 		</dependency>
 
+
+
 	</dependencies>
 
 
diff --git a/persistence/jdo/datanucleus-5/pom.xml b/legacy/jdo/datanucleus/pom.xml
similarity index 67%
rename from persistence/jdo/datanucleus-5/pom.xml
rename to legacy/jdo/datanucleus/pom.xml
index 6127740..b7fc3a5 100644
--- a/persistence/jdo/datanucleus-5/pom.xml
+++ b/legacy/jdo/datanucleus/pom.xml
@@ -14,21 +14,22 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<parent>
-		<groupId>org.apache.isis.persistence</groupId>
-		<artifactId>isis-persistence-jdo</artifactId>
-		<version>2.0.0-SNAPSHOT</version>
-	</parent>
+        <groupId>org.apache.isis.legacy</groupId>
+        <artifactId>isis-legacy</artifactId>
+        <version>2.0.0-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
 
-	<artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+	<artifactId>isis-legacy-jdo-datanucleus</artifactId>
 
-	<name>Apache Isis Persistence - JDO (datanucleus 5)</name>
+	<name>Apache Isis Legacy - JDO (DataNucleus)</name>
 	<description>
-        JDO plugin using datanucleus.
+		JDO DataNucleus (legacy) integration.
     </description>
 
 	<properties>
-		<jar-plugin.automaticModuleName>org.apache.isis.persistence.jdo.datanucleus5</jar-plugin.automaticModuleName>
-		<git-plugin.propertiesDir>org/apache/isis/persistence/jdo/datanucleus5</git-plugin.propertiesDir>
+		<jar-plugin.automaticModuleName>org.apache.isis.legacy.jdo.datanucleus</jar-plugin.automaticModuleName>
+		<git-plugin.propertiesDir>org/apache/isis/legacy/jdo/datanucleus</git-plugin.propertiesDir>
 	</properties>
 
 	<build>
@@ -68,39 +69,31 @@
 
 	<dependencies>
 
-		<dependency>
-			<groupId>org.apache.isis.persistence</groupId>
-			<artifactId>isis-persistence-jdo-applib</artifactId>
-		</dependency>
-<!-- 		<dependency> -->
-<!-- 			<groupId>org.apache.isis.persistence</groupId> -->
-<!-- 			<artifactId>isis-persistence-jdo-integration</artifactId> -->
-<!-- 		</dependency> -->
-
-		<dependency>
-			<groupId>org.apache.isis.core</groupId>
-			<artifactId>isis-core-runtime</artifactId>
-		</dependency>
+		<!-- ISIS -->
 
 		<dependency>
-			<groupId>org.datanucleus</groupId>
-			<artifactId>datanucleus-core</artifactId>
+			<groupId>org.apache.isis.commons</groupId>
+			<artifactId>isis-commons</artifactId>
 		</dependency>
+		
 		<dependency>
-			<groupId>org.datanucleus</groupId>
-			<artifactId>datanucleus-api-jdo</artifactId>
+			<groupId>org.apache.isis.core</groupId>
+			<artifactId>isis-applib</artifactId>
 		</dependency>
+		
 		<dependency>
-			<groupId>org.datanucleus</groupId>
-			<artifactId>datanucleus-jdo-query</artifactId>
+			<groupId>org.apache.isis.legacy</groupId>
+			<artifactId>isis-legacy-jdo-applib</artifactId>
 		</dependency>
+		
 		<dependency>
-			<groupId>org.datanucleus</groupId>
-			<artifactId>datanucleus-rdbms</artifactId>
+			<groupId>org.apache.isis.persistence</groupId>
+			<artifactId>isis-persistence-jdo-applib</artifactId>
 		</dependency>
+		
 		<dependency>
-			<groupId>org.datanucleus</groupId>
-			<artifactId>datanucleus-jodatime</artifactId>
+			<groupId>org.apache.isis.persistence</groupId>
+			<artifactId>isis-persistence-jdo-datanucleus</artifactId>
 		</dependency>
 
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/IsisModuleJdoDataNucleus5.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/IsisModuleJdoDataNucleus5.java
similarity index 61%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/IsisModuleJdoDataNucleus5.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/IsisModuleJdoDataNucleus5.java
index 7e844bc..01c6fac 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/IsisModuleJdoDataNucleus5.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/IsisModuleJdoDataNucleus5.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5;
+package org.apache.isis.legacy.jdo.datanucleus;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -27,22 +27,22 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Import;
 
 import org.apache.isis.core.runtime.IsisModuleCoreRuntime;
+import org.apache.isis.legacy.jdo.datanucleus.config.DataNucleusSettings;
+import org.apache.isis.legacy.jdo.datanucleus.exceprecog.ExceptionRecognizerForJDODataStoreException;
+import org.apache.isis.legacy.jdo.datanucleus.exceprecog.ExceptionRecognizerForJDODataStoreExceptionIntegrityConstraintViolationForeignKeyNoActionException;
+import org.apache.isis.legacy.jdo.datanucleus.exceprecog.ExceptionRecognizerForJDOObjectNotFoundException;
+import org.apache.isis.legacy.jdo.datanucleus.exceprecog.ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException;
+import org.apache.isis.legacy.jdo.datanucleus.jdosupport.IsisJdoSupportDN5;
+import org.apache.isis.legacy.jdo.datanucleus.jdosupport.mixins.Persistable_datanucleusIdLong;
+import org.apache.isis.legacy.jdo.datanucleus.jdosupport.mixins.Persistable_datanucleusVersionLong;
+import org.apache.isis.legacy.jdo.datanucleus.jdosupport.mixins.Persistable_datanucleusVersionTimestamp;
+import org.apache.isis.legacy.jdo.datanucleus.jdosupport.mixins.Persistable_downloadJdoMetadata;
+import org.apache.isis.legacy.jdo.datanucleus.lifecycles.JdoPersistenceLifecycleService;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelMenu;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoProgrammingModelPlugin;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.IsisPlatformTransactionManagerForJdo;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.PersistenceSessionFactory5;
 import org.apache.isis.persistence.jdo.applib.IsisModulePersistenceJdoApplib;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.DataNucleusSettings;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.service.JdoPersistenceLifecycleService;
-import org.apache.isis.persistence.jdo.datanucleus5.exceprecog.ExceptionRecognizerForJDODataStoreException;
-import org.apache.isis.persistence.jdo.datanucleus5.exceprecog.ExceptionRecognizerForJDODataStoreExceptionIntegrityConstraintViolationForeignKeyNoActionException;
-import org.apache.isis.persistence.jdo.datanucleus5.exceprecog.ExceptionRecognizerForJDOObjectNotFoundException;
-import org.apache.isis.persistence.jdo.datanucleus5.exceprecog.ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException;
-import org.apache.isis.persistence.jdo.datanucleus5.jdosupport.IsisJdoSupportDN5;
-import org.apache.isis.persistence.jdo.datanucleus5.jdosupport.mixins.Persistable_datanucleusIdLong;
-import org.apache.isis.persistence.jdo.datanucleus5.jdosupport.mixins.Persistable_datanucleusVersionLong;
-import org.apache.isis.persistence.jdo.datanucleus5.jdosupport.mixins.Persistable_datanucleusVersionTimestamp;
-import org.apache.isis.persistence.jdo.datanucleus5.jdosupport.mixins.Persistable_downloadJdoMetadata;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelMenu;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoProgrammingModelPlugin;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.IsisPlatformTransactionManagerForJdo;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.PersistenceSessionFactory5;
 
 @Configuration
 @Import({
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/CreateSchemaObjectFromClassMetadata.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/CreateSchemaObjectFromClassMetadata.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/CreateSchemaObjectFromClassMetadata.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/CreateSchemaObjectFromClassMetadata.java
index 821fbab..be1c49b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/CreateSchemaObjectFromClassMetadata.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/CreateSchemaObjectFromClassMetadata.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus;
+package org.apache.isis.legacy.jdo.datanucleus.config;
 
 import java.sql.Connection;
 import java.sql.DriverManager;
@@ -40,10 +40,11 @@ import lombok.val;
 import lombok.extern.log4j.Log4j2;
 
 /**
- * Implementation note: the methods in this class are <tt>protected</tt> to allow for easy subclassing.
+ * @implNote the methods in this class are <tt>protected</tt> to allow for easy subclassing.
  */
 @Log4j2
-public class CreateSchemaObjectFromClassMetadata implements MetaDataListener, DataNucleusPropertiesAware {
+public class CreateSchemaObjectFromClassMetadata 
+implements MetaDataListener, DataNucleusPropertiesAware {
 
     private Map<String, Object> properties;
 
@@ -90,9 +91,6 @@ public class CreateSchemaObjectFromClassMetadata implements MetaDataListener, Da
 
     }
 
-
-
-
     // -- skip, exec, schemaNameFor
 
     /**
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusPropertiesAware.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/DataNucleusPropertiesAware.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusPropertiesAware.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/DataNucleusPropertiesAware.java
index e954e3c..1da40e6 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusPropertiesAware.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/DataNucleusPropertiesAware.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus;
+package org.apache.isis.legacy.jdo.datanucleus.config;
 
 import java.util.Map;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusSettings.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/DataNucleusSettings.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusSettings.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/DataNucleusSettings.java
index 552b405..e30dd2b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusSettings.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/DataNucleusSettings.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus;
+package org.apache.isis.legacy.jdo.datanucleus.config;
 
 import java.util.Map;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/entities/JdoEntityTypeRegistry.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/JdoEntityTypeRegistry.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/entities/JdoEntityTypeRegistry.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/JdoEntityTypeRegistry.java
index f91a613..55abdae 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/entities/JdoEntityTypeRegistry.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/JdoEntityTypeRegistry.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.entities;
+package org.apache.isis.legacy.jdo.datanucleus.config;
 
 import java.util.Collections;
 import java.util.LinkedHashSet;
@@ -26,8 +26,8 @@ import java.util.stream.Collectors;
 import javax.jdo.annotations.PersistenceCapable;
 
 import org.apache.isis.commons.internal.collections._Lists;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
 
 import static org.apache.isis.commons.internal.base._NullSafe.stream;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/spi/JdoObjectIdDecoder.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/spi/JdoObjectIdDecoder.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/spi/JdoObjectIdDecoder.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/spi/JdoObjectIdDecoder.java
index 58b008b..2f4d91f 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/spi/JdoObjectIdDecoder.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/spi/JdoObjectIdDecoder.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.spi;
+package org.apache.isis.legacy.jdo.datanucleus.config.spi;
 
 import java.util.function.BiFunction;
 import java.util.function.Function;
@@ -27,8 +27,8 @@ import javax.jdo.annotations.IdentityType;
 import org.apache.isis.commons.handler.ChainOfResponsibility;
 import org.apache.isis.commons.internal.base._Strings;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.spi.JdoObjectIdDecoder.JdoObjectIdDecodingRequest;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
+import org.apache.isis.legacy.jdo.datanucleus.config.spi.JdoObjectIdDecoder.JdoObjectIdDecodingRequest;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
 
 import lombok.NonNull;
 import lombok.Value;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/spi/JdoObjectIdEncoder.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/spi/JdoObjectIdEncoder.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/spi/JdoObjectIdEncoder.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/spi/JdoObjectIdEncoder.java
index 09cf0e9..a888580 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/spi/JdoObjectIdEncoder.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/spi/JdoObjectIdEncoder.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.spi;
+package org.apache.isis.legacy.jdo.datanucleus.config.spi;
 
 import java.util.function.Function;
 import java.util.function.Predicate;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/spi/JdoObjectIdSerializer.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/spi/JdoObjectIdSerializer.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/spi/JdoObjectIdSerializer.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/spi/JdoObjectIdSerializer.java
index e5a3cba..b8795cd 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/spi/JdoObjectIdSerializer.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/config/spi/JdoObjectIdSerializer.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.spi;
+package org.apache.isis.legacy.jdo.datanucleus.config.spi;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
@@ -41,7 +41,7 @@ import org.apache.isis.commons.internal.context._Context;
 import org.apache.isis.commons.internal.exceptions._Exceptions;
 import org.apache.isis.core.metamodel.adapter.oid.RootOid;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.spi.JdoObjectIdDecoder.JdoObjectIdDecodingRequest;
+import org.apache.isis.legacy.jdo.datanucleus.config.spi.JdoObjectIdDecoder.JdoObjectIdDecodingRequest;
 
 import lombok.val;
 import lombok.experimental.UtilityClass;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDODataStoreException.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDODataStoreException.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDODataStoreException.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDODataStoreException.java
index f26fd70..28d301d 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDODataStoreException.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDODataStoreException.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.exceprecog;
+package org.apache.isis.legacy.jdo.datanucleus.exceprecog;
 
 import javax.inject.Named;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDODataStoreExceptionAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDODataStoreExceptionAbstract.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDODataStoreExceptionAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDODataStoreExceptionAbstract.java
index d3960ff..f21672b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDODataStoreExceptionAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDODataStoreExceptionAbstract.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.exceprecog;
+package org.apache.isis.legacy.jdo.datanucleus.exceprecog;
 
 import java.util.function.Predicate;
 import java.util.function.UnaryOperator;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDODataStoreExceptionIntegrityConstraintViolationForeignKeyNoActionException.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDODataStoreExceptionIntegrityConstraintViolationForeignKeyNoActionException.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDODataStoreExceptionIntegrityConstraintViolationForeignKeyNoActionException.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDODataStoreExceptionIntegrityConstraintViolationForeignKeyNoActionException.java
index 5ee9a7c..5f7f7ec 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDODataStoreExceptionIntegrityConstraintViolationForeignKeyNoActionException.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDODataStoreExceptionIntegrityConstraintViolationForeignKeyNoActionException.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.exceprecog;
+package org.apache.isis.legacy.jdo.datanucleus.exceprecog;
 
 import javax.inject.Named;
 import javax.jdo.JDODataStoreException;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDOObjectNotFoundException.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDOObjectNotFoundException.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDOObjectNotFoundException.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDOObjectNotFoundException.java
index 0a3e69d..6c3cfb3 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForJDOObjectNotFoundException.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForJDOObjectNotFoundException.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.exceprecog;
+package org.apache.isis.legacy.jdo.datanucleus.exceprecog;
 
 import javax.inject.Named;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException.java
index 3811bcd..9ebed3b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.exceprecog;
+package org.apache.isis.legacy.jdo.datanucleus.exceprecog;
 
 import javax.inject.Named;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/JdoNestedExceptionResolver.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/JdoNestedExceptionResolver.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/JdoNestedExceptionResolver.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/JdoNestedExceptionResolver.java
index 3e0f230..8e2b809 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/JdoNestedExceptionResolver.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/JdoNestedExceptionResolver.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.exceprecog;
+package org.apache.isis.legacy.jdo.datanucleus.exceprecog;
 
 import java.util.stream.Stream;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusException.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceptions/DataNucleusException.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusException.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceptions/DataNucleusException.java
index 827cd53..cc5a0f6 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusException.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceptions/DataNucleusException.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus;
+package org.apache.isis.legacy.jdo.datanucleus.exceptions;
 
 import org.apache.isis.core.metamodel.adapter.oid.ObjectPersistenceException;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/JdoRuntimeException.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceptions/JdoRuntimeException.java
similarity index 94%
copy from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/JdoRuntimeException.java
copy to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceptions/JdoRuntimeException.java
index db43b46..5929074 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/JdoRuntimeException.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/exceptions/JdoRuntimeException.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus;
+package org.apache.isis.legacy.jdo.datanucleus.exceptions;
 
 public class JdoRuntimeException extends RuntimeException {
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/IsisJdoSupportDN5.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/IsisJdoSupportDN5.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/IsisJdoSupportDN5.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/IsisJdoSupportDN5.java
index 091894a..9847a7f 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/IsisJdoSupportDN5.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/IsisJdoSupportDN5.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.jdosupport;
+package org.apache.isis.legacy.jdo.datanucleus.jdosupport;
 
 import java.sql.ResultSet;
 import java.sql.ResultSetMetaData;
@@ -47,9 +47,9 @@ import org.apache.isis.commons.internal.collections._Lists;
 import org.apache.isis.commons.internal.collections._Maps;
 import org.apache.isis.core.metamodel.adapter.oid.ObjectPersistenceException;
 import org.apache.isis.core.runtime.iactn.InteractionTracker;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.IsisPersistenceSessionJdo;
 import org.apache.isis.persistence.jdo.applib.services.IsisJdoSupport_v3_2;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapter;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.IsisPersistenceSessionJdo;
 
 import static org.apache.isis.commons.internal.base._NullSafe.stream;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_datanucleusIdLong.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_datanucleusIdLong.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_datanucleusIdLong.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_datanucleusIdLong.java
index 0f34b4a..a39e348 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_datanucleusIdLong.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_datanucleusIdLong.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.jdosupport.mixins;
+package org.apache.isis.legacy.jdo.datanucleus.jdosupport.mixins;
 
 import javax.jdo.JDOHelper;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_datanucleusVersionLong.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_datanucleusVersionLong.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_datanucleusVersionLong.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_datanucleusVersionLong.java
index a52cf81..fe6e8dc 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_datanucleusVersionLong.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_datanucleusVersionLong.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.jdosupport.mixins;
+package org.apache.isis.legacy.jdo.datanucleus.jdosupport.mixins;
 
 import javax.jdo.JDOHelper;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_datanucleusVersionTimestamp.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_datanucleusVersionTimestamp.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_datanucleusVersionTimestamp.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_datanucleusVersionTimestamp.java
index 82aa9ce..9c5b18f 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_datanucleusVersionTimestamp.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_datanucleusVersionTimestamp.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.jdosupport.mixins;
+package org.apache.isis.legacy.jdo.datanucleus.jdosupport.mixins;
 
 import javax.jdo.JDOHelper;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_downloadJdoMetadata.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_downloadJdoMetadata.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_downloadJdoMetadata.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_downloadJdoMetadata.java
index 6f7ac78..ef7be74 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/jdosupport/mixins/Persistable_downloadJdoMetadata.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/jdosupport/mixins/Persistable_downloadJdoMetadata.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.jdosupport.mixins;
+package org.apache.isis.legacy.jdo.datanucleus.jdosupport.mixins;
 
 import java.io.IOException;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusLifeCycleHelper.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/DataNucleusLifeCycleHelper.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusLifeCycleHelper.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/DataNucleusLifeCycleHelper.java
index 20c9d34..bd610aa 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusLifeCycleHelper.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/DataNucleusLifeCycleHelper.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus;
+package org.apache.isis.legacy.jdo.datanucleus.lifecycles;
 
 import javax.jdo.PersistenceManagerFactory;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/service/JdoPersistenceLifecycleService.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/JdoPersistenceLifecycleService.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/service/JdoPersistenceLifecycleService.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/JdoPersistenceLifecycleService.java
index 5e0592f..0a9183f 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/service/JdoPersistenceLifecycleService.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/JdoPersistenceLifecycleService.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.service;
+package org.apache.isis.legacy.jdo.datanucleus.lifecycles;
 
 import java.util.Optional;
 
@@ -32,14 +32,14 @@ import org.springframework.stereotype.Service;
 
 import org.apache.isis.applib.annotation.OrderPrecedence;
 import org.apache.isis.commons.internal.exceptions._Exceptions;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
 import org.apache.isis.core.metamodel.context.MetaModelContext;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
 import org.apache.isis.core.runtime.events.app.AppLifecycleEvent;
 import org.apache.isis.core.runtime.events.iactn.IsisInteractionLifecycleEvent;
 import org.apache.isis.core.runtime.iactn.InteractionSession;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.IsisPersistenceSessionJdo;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.PersistenceSession;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.PersistenceSessionFactory;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.IsisPersistenceSessionJdo;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.PersistenceSession;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.PersistenceSessionFactory;
 
 import lombok.val;
 import lombok.extern.log4j.Log4j2;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/lifecycles/JdoStoreLifecycleListenerForIsis.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/JdoStoreLifecycleListenerForIsis.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/lifecycles/JdoStoreLifecycleListenerForIsis.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/JdoStoreLifecycleListenerForIsis.java
index 11a557c..9e5152b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/lifecycles/JdoStoreLifecycleListenerForIsis.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/JdoStoreLifecycleListenerForIsis.java
@@ -16,14 +16,14 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.lifecycles;
+package org.apache.isis.legacy.jdo.datanucleus.lifecycles;
 
 import javax.enterprise.inject.Vetoed;
 import javax.inject.Inject;
 import javax.jdo.listener.InstanceLifecycleEvent;
 
 import org.apache.isis.core.runtime.events.RuntimeEventService;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/lifecycles/LoadLifecycleListenerForIsis.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/LoadLifecycleListenerForIsis.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/lifecycles/LoadLifecycleListenerForIsis.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/LoadLifecycleListenerForIsis.java
index ea8f8ad..62e6165 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/lifecycles/LoadLifecycleListenerForIsis.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/lifecycles/LoadLifecycleListenerForIsis.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.lifecycles;
+package org.apache.isis.legacy.jdo.datanucleus.lifecycles;
 
 import javax.enterprise.inject.Vetoed;
 import javax.inject.Inject;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/JdoMetamodelMenu.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoMetamodelMenu.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/JdoMetamodelMenu.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoMetamodelMenu.java
index 6593f6a..5887a4d 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/JdoMetamodelMenu.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoMetamodelMenu.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel;
 
 import javax.inject.Inject;
 import javax.inject.Named;
@@ -34,7 +34,7 @@ import org.apache.isis.applib.annotation.SemanticsOf;
 import org.apache.isis.applib.util.ZipWriter;
 import org.apache.isis.applib.value.Blob;
 import org.apache.isis.applib.value.NamedWithMimeType.CommonMimeType;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
 import org.apache.isis.persistence.jdo.applib.services.IsisJdoSupport;
 
 import lombok.val;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/JdoMetamodelUtil.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoMetamodelUtil.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/JdoMetamodelUtil.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoMetamodelUtil.java
index fa456f1..fdb9807 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/JdoMetamodelUtil.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoMetamodelUtil.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel;
 
 import java.lang.reflect.Method;
 import java.util.Set;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/JdoProgrammingModelPlugin.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoProgrammingModelPlugin.java
similarity index 80%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/JdoProgrammingModelPlugin.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoProgrammingModelPlugin.java
index 50cf2b1..bbc4824 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/JdoProgrammingModelPlugin.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoProgrammingModelPlugin.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel;
 
 import javax.inject.Inject;
 import javax.jdo.annotations.IdentityType;
@@ -33,17 +33,17 @@ import org.apache.isis.core.metamodel.facets.object.ignore.jdo.RemoveJdoPrefixed
 import org.apache.isis.core.metamodel.facets.object.parented.ParentedCollectionFacet;
 import org.apache.isis.core.metamodel.progmodel.ProgrammingModel;
 import org.apache.isis.core.metamodel.progmodel.ProgrammingModel.Marker;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.datastoreidentity.JdoDatastoreIdentityAnnotationFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.discriminator.JdoDiscriminatorAnnotationFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable.JdoPersistenceCapableAnnotationFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query.JdoQueryAnnotationFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.version.JdoVersionAnnotationFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column.BigDecimalDerivedFromJdoColumnAnnotationFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column.MandatoryFromJdoColumnAnnotationFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column.MaxLengthDerivedFromJdoColumnAnnotationFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent.JdoNotPersistentAnnotationFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey.JdoPrimaryKeyAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity.JdoDatastoreIdentityAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator.JdoDiscriminatorAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query.JdoQueryAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version.JdoVersionAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column.BigDecimalDerivedFromJdoColumnAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column.MandatoryFromJdoColumnAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column.MaxLengthDerivedFromJdoColumnAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent.JdoNotPersistentAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey.JdoPrimaryKeyAnnotationFacetFactory;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/metamodel/JdoPropertyUtils.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoPropertyUtils.java
similarity index 90%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/metamodel/JdoPropertyUtils.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoPropertyUtils.java
index e9a0c14..a02d052 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/metamodel/JdoPropertyUtils.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/JdoPropertyUtils.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.metamodel;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel;
 
 import java.text.MessageFormat;
 import java.util.List;
@@ -29,8 +29,8 @@ import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.metamodel.spec.feature.MixedIn;
 import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
 import org.apache.isis.core.metamodel.spec.feature.OneToOneAssociation;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.util.JdoPrimaryKeyPropertyPredicate;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.util.JdoPrimaryKeyPropertyPredicate;
 
 public final class JdoPropertyUtils {
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityAnnotationFacetFactory.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityAnnotationFacetFactory.java
index b0438f5..12df862 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityAnnotationFacetFactory.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.datastoreidentity;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity;
 
 
 import javax.jdo.annotations.DatastoreIdentity;
@@ -26,7 +26,7 @@ import org.apache.isis.core.metamodel.facetapi.FacetUtil;
 import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.Annotations;
 import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
 
 
 public class JdoDatastoreIdentityAnnotationFacetFactory extends FacetFactoryAbstract {
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacet.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacet.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacet.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacet.java
index 62e5736..87bf357 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacet.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacet.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.datastoreidentity;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity;
 
 
 import javax.jdo.annotations.DatastoreIdentity;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAbstract.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAbstract.java
index 3854590..6382e6f 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAbstract.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.datastoreidentity;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity;
 
 import java.util.Map;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAnnotation.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAnnotation.java
index ad691fe..c820802 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.datastoreidentity;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity;
 
 import javax.jdo.annotations.IdGeneratorStrategy;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetImpl.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetImpl.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetImpl.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetImpl.java
index a551880..2328d16 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetImpl.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/JdoDatastoreIdentityFacetImpl.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.datastoreidentity;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity;
 
 import javax.jdo.annotations.IdGeneratorStrategy;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/package-info.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/package-info.java
similarity index 89%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/package-info.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/package-info.java
index 28eee0f..58b8d51 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/package-info.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/package-info.java
@@ -14,4 +14,4 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.discriminator;
\ No newline at end of file
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity;
\ No newline at end of file
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/JdoDiscriminatorAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/JdoDiscriminatorAnnotationFacetFactory.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/JdoDiscriminatorAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/JdoDiscriminatorAnnotationFacetFactory.java
index d594784..8514f8b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/JdoDiscriminatorAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/JdoDiscriminatorAnnotationFacetFactory.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.discriminator;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator;
 
 import javax.inject.Inject;
 import javax.jdo.annotations.Discriminator;
@@ -32,7 +32,7 @@ import org.apache.isis.core.metamodel.facets.ObjectSpecIdFacetFactory;
 import org.apache.isis.core.metamodel.facets.object.objectspecid.ObjectSpecIdFacet;
 import org.apache.isis.core.metamodel.facets.object.objectspecid.classname.ObjectSpecIdFacetDerivedFromClassName;
 import org.apache.isis.core.metamodel.services.classsubstitutor.ClassSubstitutorRegistry;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/JdoDiscriminatorFacet.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/JdoDiscriminatorFacet.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/JdoDiscriminatorFacet.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/JdoDiscriminatorFacet.java
index 9d19b75..93f20b7 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/JdoDiscriminatorFacet.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/JdoDiscriminatorFacet.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.discriminator;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator;
 
 import org.apache.isis.core.metamodel.facets.SingleValueFacet;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/JdoDiscriminatorFacetDefault.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/JdoDiscriminatorFacetDefault.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/JdoDiscriminatorFacetDefault.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/JdoDiscriminatorFacetDefault.java
index f46f40d..e51da03 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/JdoDiscriminatorFacetDefault.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/JdoDiscriminatorFacetDefault.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.discriminator;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator;
 
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 import org.apache.isis.core.metamodel.facets.SingleValueFacetAbstract;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/ObjectSpecIdFacetInferredFromJdoDiscriminatorValueAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/ObjectSpecIdFacetInferredFromJdoDiscriminatorValueAnnotation.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/ObjectSpecIdFacetInferredFromJdoDiscriminatorValueAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/ObjectSpecIdFacetInferredFromJdoDiscriminatorValueAnnotation.java
index c400bcf..8a95bce 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/ObjectSpecIdFacetInferredFromJdoDiscriminatorValueAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/ObjectSpecIdFacetInferredFromJdoDiscriminatorValueAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.discriminator;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator;
 
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 import org.apache.isis.core.metamodel.facets.object.objectspecid.ObjectSpecIdFacetAbstract;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/package-info.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/package-info.java
similarity index 90%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/package-info.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/package-info.java
index e6b3160..45ee2dd 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/package-info.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/package-info.java
@@ -14,4 +14,4 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.version;
\ No newline at end of file
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator;
\ No newline at end of file
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/domainobject/objectspecid/ObjectSpecIdFacetForJdoPersistenceCapableAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/domainobject/objectspecid/ObjectSpecIdFacetForJdoPersistenceCapableAnnotation.java
similarity index 89%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/domainobject/objectspecid/ObjectSpecIdFacetForJdoPersistenceCapableAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/domainobject/objectspecid/ObjectSpecIdFacetForJdoPersistenceCapableAnnotation.java
index 5bc855a..625e55d 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/domainobject/objectspecid/ObjectSpecIdFacetForJdoPersistenceCapableAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/domainobject/objectspecid/ObjectSpecIdFacetForJdoPersistenceCapableAnnotation.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.domainobject.objectspecid;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.domainobject.objectspecid;
 
 import java.util.Locale;
 
@@ -25,7 +25,7 @@ import org.apache.isis.commons.internal.base._Strings;
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 import org.apache.isis.core.metamodel.facets.object.objectspecid.ObjectSpecIdFacet;
 import org.apache.isis.core.metamodel.facets.object.objectspecid.ObjectSpecIdFacetAbstract;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
 
 public class ObjectSpecIdFacetForJdoPersistenceCapableAnnotation extends ObjectSpecIdFacetAbstract {
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableAnnotationFacetFactory.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableAnnotationFacetFactory.java
index c6fac1c..032fb53 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableAnnotationFacetFactory.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable;
 
 
 import javax.jdo.annotations.EmbeddedOnly;
@@ -32,8 +32,8 @@ import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
 import org.apache.isis.core.metamodel.facets.ObjectSpecIdFacetFactory;
 import org.apache.isis.core.metamodel.facets.object.domainobject.DomainObjectAnnotationFacetFactory;
 import org.apache.isis.core.runtime.iactn.InteractionTracker;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.domainobject.objectspecid.ObjectSpecIdFacetForJdoPersistenceCapableAnnotation;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.domainobject.objectspecid.ObjectSpecIdFacetForJdoPersistenceCapableAnnotation;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacet.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacet.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacet.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacet.java
index 80a5f50..493bee3 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacet.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacet.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable;
 
 
 import javax.jdo.annotations.IdentityType;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAbstract.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAbstract.java
index ebe0dd6..22566dd 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAbstract.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable;
 
 import java.util.Map;
 import java.util.function.Supplier;
@@ -28,7 +28,7 @@ import org.apache.isis.core.metamodel.facetapi.FacetAbstract;
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 import org.apache.isis.core.metamodel.facets.object.entity.EntityFacet;
 import org.apache.isis.core.runtime.iactn.InteractionTracker;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.IsisPersistenceSessionJdo;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.IsisPersistenceSessionJdo;
 
 
 public abstract class JdoPersistenceCapableFacetAbstract 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAnnotation.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAnnotation.java
index a5597d4..2f4b7c5 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable;
 
 import java.util.function.Supplier;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetImpl.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetImpl.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetImpl.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetImpl.java
index a075523..ba426ca 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetImpl.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/JdoPersistenceCapableFacetImpl.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable;
 
 import java.lang.reflect.Method;
 import java.util.function.Supplier;
@@ -34,7 +34,7 @@ import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 import org.apache.isis.core.metamodel.spec.ManagedObject;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.runtime.iactn.InteractionTracker;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/package-info.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/package-info.java
similarity index 89%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/package-info.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/package-info.java
index 5c1a50b..c45bc77 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/package-info.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/package-info.java
@@ -19,4 +19,4 @@
  *
  * @version $Rev$ $Date$
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable;
\ No newline at end of file
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable;
\ No newline at end of file
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoNamedQuery.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoNamedQuery.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoNamedQuery.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoNamedQuery.java
index 45ce321..3438d53 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoNamedQuery.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoNamedQuery.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import javax.jdo.annotations.Query;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueriesFacetAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueriesFacetAnnotation.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueriesFacetAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueriesFacetAnnotation.java
index 42f9f71..6030163 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueriesFacetAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueriesFacetAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import javax.jdo.annotations.Query;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryAnnotationFacetFactory.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryAnnotationFacetFactory.java
index 1e3c869..93e9fe5 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryAnnotationFacetFactory.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -30,7 +30,7 @@ import org.apache.isis.core.metamodel.facetapi.MetaModelRefiner;
 import org.apache.isis.core.metamodel.facets.Annotations;
 import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
 import org.apache.isis.core.metamodel.progmodel.ProgrammingModel;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryFacet.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryFacet.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryFacet.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryFacet.java
index 6ffaaa2..e77e876 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryFacet.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryFacet.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import java.util.List;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryFacetAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryFacetAbstract.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryFacetAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryFacetAbstract.java
index 0ecb6da..721936b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryFacetAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryFacetAbstract.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import java.util.ArrayList;
 import java.util.Collections;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryFacetAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryFacetAnnotation.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryFacetAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryFacetAnnotation.java
index 0a18ef4..82cdcd2 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryFacetAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryFacetAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import javax.jdo.annotations.Query;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/VisitorForClauseAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/VisitorForClauseAbstract.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/VisitorForClauseAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/VisitorForClauseAbstract.java
index b6ca9da..99d9891 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/VisitorForClauseAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/VisitorForClauseAbstract.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import java.util.List;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/VisitorForFromClause.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/VisitorForFromClause.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/VisitorForFromClause.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/VisitorForFromClause.java
index 30713f1..8db895d 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/VisitorForFromClause.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/VisitorForFromClause.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import java.util.Objects;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/VisitorForVariablesClause.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/VisitorForVariablesClause.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/VisitorForVariablesClause.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/VisitorForVariablesClause.java
index 4b31300..40194d2 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/VisitorForVariablesClause.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/VisitorForVariablesClause.java
@@ -16,14 +16,14 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import org.apache.isis.applib.Identifier;
 import org.apache.isis.core.metamodel.spec.ObjectSpecId;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.metamodel.specloader.specimpl.IntrospectionState;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidator;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionAnnotationFacetFactory.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionAnnotationFacetFactory.java
index 2643171..67ff602 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionAnnotationFacetFactory.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.version;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version;
 
 import javax.jdo.annotations.Version;
 
@@ -31,7 +31,7 @@ import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidator;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.Visitor;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
 
 public class JdoVersionAnnotationFacetFactory extends FacetFactoryAbstract
 implements MetaModelRefiner {
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionFacet.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionFacet.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionFacet.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionFacet.java
index 7268784..3b003ce 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionFacet.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionFacet.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.version;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version;
 
 import org.apache.isis.core.metamodel.facetapi.Facet;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionFacetFromAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionFacetFromAnnotation.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionFacetFromAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionFacetFromAnnotation.java
index 6407e39..31945c0 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionFacetFromAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionFacetFromAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.version;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version;
 
 import org.apache.isis.core.metamodel.facetapi.FacetAbstract;
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/package-info.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/package-info.java
similarity index 89%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/package-info.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/package-info.java
index b5bc125..6fcf984 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/package-info.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/package-info.java
@@ -14,4 +14,4 @@
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.datastoreidentity;
\ No newline at end of file
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version;
\ No newline at end of file
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactory.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactory.java
index 6596fb1..b4d76c6 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactory.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import java.math.BigDecimal;
 import java.util.stream.Stream;
@@ -38,8 +38,8 @@ import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidator;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.Visitor;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent.JdoNotPersistentFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent.JdoNotPersistentFacet;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalFacetDerivedFromJdoColumn.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalFacetDerivedFromJdoColumn.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalFacetDerivedFromJdoColumn.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalFacetDerivedFromJdoColumn.java
index 59081eb..85b339f 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalFacetDerivedFromJdoColumn.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalFacetDerivedFromJdoColumn.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import java.util.Map;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalFacetFallback.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalFacetFallback.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalFacetFallback.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalFacetFallback.java
index c27fc70..886c1f6 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalFacetFallback.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalFacetFallback.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import org.apache.isis.core.metamodel.facetapi.Facet;
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryFacetDerivedFromJdoColumn.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryFacetDerivedFromJdoColumn.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryFacetDerivedFromJdoColumn.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryFacetDerivedFromJdoColumn.java
index bb5a8e8..e1dfb3c 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryFacetDerivedFromJdoColumn.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryFacetDerivedFromJdoColumn.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 import org.apache.isis.core.metamodel.facets.objectvalue.mandatory.MandatoryFacetAbstract;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryFacetInferredFromAbsenceOfJdoColumn.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryFacetInferredFromAbsenceOfJdoColumn.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryFacetInferredFromAbsenceOfJdoColumn.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryFacetInferredFromAbsenceOfJdoColumn.java
index a56be1f..3993085 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryFacetInferredFromAbsenceOfJdoColumn.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryFacetInferredFromAbsenceOfJdoColumn.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 import org.apache.isis.core.metamodel.facets.objectvalue.mandatory.MandatoryFacetAbstract;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryFromJdoColumnAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryFromJdoColumnAnnotationFacetFactory.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryFromJdoColumnAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryFromJdoColumnAnnotationFacetFactory.java
index c98b0bc..3ef4d8b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryFromJdoColumnAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryFromJdoColumnAnnotationFacetFactory.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import java.util.stream.Stream;
 
@@ -39,10 +39,10 @@ import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidator;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.Visitor;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent.JdoNotPersistentFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey.OptionalFacetDerivedFromJdoPrimaryKeyAnnotation;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent.JdoNotPersistentFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey.OptionalFacetDerivedFromJdoPrimaryKeyAnnotation;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MaxLengthDerivedFromJdoColumnAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MaxLengthDerivedFromJdoColumnAnnotationFacetFactory.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MaxLengthDerivedFromJdoColumnAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MaxLengthDerivedFromJdoColumnAnnotationFacetFactory.java
index 24a419b..9268549 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MaxLengthDerivedFromJdoColumnAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MaxLengthDerivedFromJdoColumnAnnotationFacetFactory.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import java.util.stream.Stream;
 
@@ -37,9 +37,9 @@ import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidator;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.Visitor;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent.JdoNotPersistentFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent.JdoNotPersistentFacet;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MaxLengthFacetDerivedFromJdoColumn.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MaxLengthFacetDerivedFromJdoColumn.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MaxLengthFacetDerivedFromJdoColumn.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MaxLengthFacetDerivedFromJdoColumn.java
index 95dd8b3..79e774b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MaxLengthFacetDerivedFromJdoColumn.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MaxLengthFacetDerivedFromJdoColumn.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 import org.apache.isis.core.metamodel.facets.objectvalue.maxlen.MaxLengthFacetAbstract;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentAnnotationFacetFactory.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentAnnotationFacetFactory.java
index 9cd8e25..593bdfa 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentAnnotationFacetFactory.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent;
 
 import javax.jdo.annotations.NotPersistent;
 
@@ -24,7 +24,7 @@ import org.apache.isis.core.metamodel.facetapi.FacetUtil;
 import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
 import org.apache.isis.core.metamodel.facets.FacetedMethod;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
 
 
 public class JdoNotPersistentAnnotationFacetFactory extends FacetFactoryAbstract {
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacet.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacet.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacet.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacet.java
index c0f0482..23afb02 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacet.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacet.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent;
 
 import javax.jdo.annotations.PrimaryKey;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAbstract.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAbstract.java
index 581cd05..f3eeb71 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAbstract.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent;
 
 import org.apache.isis.core.metamodel.facetapi.Facet;
 import org.apache.isis.core.metamodel.facetapi.FacetAbstract;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAnnotation.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAnnotation.java
index 67a190d..dd52171 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent;
 
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetImpl.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetImpl.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetImpl.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetImpl.java
index 76d4223..9763294 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetImpl.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/JdoNotPersistentFacetImpl.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent;
 
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/DisabledFacetDerivedFromJdoPrimaryKeyAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/DisabledFacetDerivedFromJdoPrimaryKeyAnnotation.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/DisabledFacetDerivedFromJdoPrimaryKeyAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/DisabledFacetDerivedFromJdoPrimaryKeyAnnotation.java
index 1a15674..139d648 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/DisabledFacetDerivedFromJdoPrimaryKeyAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/DisabledFacetDerivedFromJdoPrimaryKeyAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
 
 import org.apache.isis.applib.annotation.Where;
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyAnnotationFacetFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyAnnotationFacetFactory.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyAnnotationFacetFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyAnnotationFacetFactory.java
index e921b4e..aca1c1a 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyAnnotationFacetFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyAnnotationFacetFactory.java
@@ -16,14 +16,14 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
 
 import javax.jdo.annotations.PrimaryKey;
 
 import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
 import org.apache.isis.core.metamodel.facets.FacetedMethod;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.JdoMetamodelUtil;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoMetamodelUtil;
 
 
 public class JdoPrimaryKeyAnnotationFacetFactory extends FacetFactoryAbstract {
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacet.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacet.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacet.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacet.java
index 317a695..4b5718c 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacet.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacet.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
 
 import javax.jdo.annotations.PrimaryKey;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAbstract.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAbstract.java
index 1ad58c0..4b3516f 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAbstract.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
 
 import org.apache.isis.core.metamodel.facetapi.Facet;
 import org.apache.isis.core.metamodel.facetapi.FacetAbstract;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAnnotation.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAnnotation.java
index 105c775..993e77f 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
 
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetImpl.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetImpl.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetImpl.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetImpl.java
index d717a2e..2cd710a 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetImpl.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/JdoPrimaryKeyFacetImpl.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
 
 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/OptionalFacetDerivedFromJdoPrimaryKeyAnnotation.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/OptionalFacetDerivedFromJdoPrimaryKeyAnnotation.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/OptionalFacetDerivedFromJdoPrimaryKeyAnnotation.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/OptionalFacetDerivedFromJdoPrimaryKeyAnnotation.java
index e396855..a25364b 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/OptionalFacetDerivedFromJdoPrimaryKeyAnnotation.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/OptionalFacetDerivedFromJdoPrimaryKeyAnnotation.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
 
 import javax.jdo.annotations.PrimaryKey;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/package-info.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/package-info.java
similarity index 90%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/package-info.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/package-info.java
index c5ad1ec..323e6c0 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/package-info.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/package-info.java
@@ -19,4 +19,4 @@
  *
  * @version $Rev$ $Date$
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
\ No newline at end of file
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
\ No newline at end of file
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/util/JdoPrimaryKeyPropertyPredicate.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/util/JdoPrimaryKeyPropertyPredicate.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/util/JdoPrimaryKeyPropertyPredicate.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/util/JdoPrimaryKeyPropertyPredicate.java
index 3028d8d..ae0ccfe 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/util/JdoPrimaryKeyPropertyPredicate.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/util/JdoPrimaryKeyPropertyPredicate.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.util;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.util;
 
 
 import java.util.function.Predicate;
@@ -27,7 +27,7 @@ import org.apache.isis.core.metamodel.facets.propcoll.accessor.PropertyOrCollect
 import org.apache.isis.core.metamodel.facets.properties.update.modify.PropertySetterFacet;
 import org.apache.isis.core.metamodel.spec.feature.ObjectAssociation;
 import org.apache.isis.core.metamodel.spec.feature.OneToOneAssociation;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey.JdoPrimaryKeyFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey.JdoPrimaryKeyFacet;
 
 /**
  * Use to locate the property annotated with {@link PrimaryKey}.
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapter.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapter.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapter.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapter.java
index 1897be1..8f99302 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapter.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapter.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.objectadapter;
+package org.apache.isis.legacy.jdo.datanucleus.objectadapter;
 
 import org.apache.isis.core.metamodel.adapter.oid.Oid;
 import org.apache.isis.core.metamodel.spec.ManagedObject;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext.java
index f2806af..b9b6a71 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.objectadapter;
+package org.apache.isis.legacy.jdo.datanucleus.objectadapter;
 
 import java.util.Objects;
 
@@ -28,7 +28,7 @@ import org.apache.isis.core.metamodel.context.MetaModelContext;
 import org.apache.isis.core.metamodel.spec.feature.OneToManyAssociation;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
 import org.apache.isis.core.runtime.context.RuntimeContextBase;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.IsisPersistenceSessionJdo;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.IsisPersistenceSessionJdo;
 
 import lombok.Getter;
 import lombok.val;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext_Factories.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext_Factories.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext_Factories.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext_Factories.java
index d12d572..9f49030 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext_Factories.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext_Factories.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.objectadapter;
+package org.apache.isis.legacy.jdo.datanucleus.objectadapter;
 
 import org.apache.isis.commons.internal.assertions._Assert;
 import org.apache.isis.core.metamodel.adapter.oid.Oid;
@@ -24,7 +24,7 @@ import org.apache.isis.core.metamodel.adapter.oid.ParentedOid;
 import org.apache.isis.core.metamodel.adapter.oid.RootOid;
 import org.apache.isis.core.metamodel.spec.feature.OneToManyAssociation;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapterContext.ObjectAdapterFactories;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapterContext.ObjectAdapterFactories;
 
 import static org.apache.isis.commons.internal.base._With.requires;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext_NewIdentifier.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext_NewIdentifier.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext_NewIdentifier.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext_NewIdentifier.java
index 420537d..00cf2b3 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext_NewIdentifier.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext_NewIdentifier.java
@@ -16,14 +16,14 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.objectadapter;
+package org.apache.isis.legacy.jdo.datanucleus.objectadapter;
 
 import org.apache.isis.core.metamodel.adapter.oid.Oid;
 import org.apache.isis.core.metamodel.adapter.oid.RootOid;
 import org.apache.isis.core.metamodel.spec.ObjectSpecId;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.PersistenceSession;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.PersistenceSession;
 
 import lombok.RequiredArgsConstructor;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext_ObjectAdapterProvider.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext_ObjectAdapterProvider.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext_ObjectAdapterProvider.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext_ObjectAdapterProvider.java
index b8ea86e..2758f22 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterContext_ObjectAdapterProvider.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterContext_ObjectAdapterProvider.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.objectadapter;
+package org.apache.isis.legacy.jdo.datanucleus.objectadapter;
 
 import org.apache.isis.core.metamodel.objectmanager.ObjectManager;
 import org.apache.isis.core.runtime.context.RuntimeContext;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterProvider.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterProvider.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterProvider.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterProvider.java
index 929ac74..4795acf 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/ObjectAdapterProvider.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/ObjectAdapterProvider.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.objectadapter;
+package org.apache.isis.legacy.jdo.datanucleus.objectadapter;
 
 import javax.annotation.Nullable;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/PojoAdapter.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/PojoAdapter.java
similarity index 98%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/PojoAdapter.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/PojoAdapter.java
index a5d1790..d3edefe 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/objectadapter/PojoAdapter.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/objectadapter/PojoAdapter.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.objectadapter;
+package org.apache.isis.legacy.jdo.datanucleus.objectadapter;
 
 import java.util.Objects;
 import java.util.Optional;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/DNStoreManagerType.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/DNStoreManagerType.java
similarity index 98%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/DNStoreManagerType.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/DNStoreManagerType.java
index bbb8942..161c5e7 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/DNStoreManagerType.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/DNStoreManagerType.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.Map;
 import java.util.function.Function;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/DataNucleusApplicationComponents5.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/DataNucleusApplicationComponents5.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/DataNucleusApplicationComponents5.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/DataNucleusApplicationComponents5.java
index 14248ce..4c2c72d 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/DataNucleusApplicationComponents5.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/DataNucleusApplicationComponents5.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.Map;
 import java.util.Properties;
@@ -42,10 +42,10 @@ import org.apache.isis.core.config.IsisConfiguration;
 import org.apache.isis.core.metamodel.spec.ObjectSpecId;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
 import org.apache.isis.core.runtime.context.IsisContext;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.DataNucleusLifeCycleHelper;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.DataNucleusPropertiesAware;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query.JdoNamedQuery;
-import org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query.JdoQueryFacet;
+import org.apache.isis.legacy.jdo.datanucleus.config.DataNucleusPropertiesAware;
+import org.apache.isis.legacy.jdo.datanucleus.lifecycles.DataNucleusLifeCycleHelper;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query.JdoNamedQuery;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query.JdoQueryFacet;
 
 import static org.apache.isis.commons.internal.base._NullSafe.stream;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisLifecycleListener.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisLifecycleListener.java
similarity index 89%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisLifecycleListener.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisLifecycleListener.java
index 083e427..f3294c1 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisLifecycleListener.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisLifecycleListener.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.Map;
 
@@ -33,7 +33,7 @@ import javax.jdo.listener.StoreLifecycleListener;
 import org.datanucleus.enhancement.Persistable;
 
 import org.apache.isis.commons.internal.collections._Maps;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapter;
 
 public class IsisLifecycleListener
 implements AttachLifecycleListener, ClearLifecycleListener, CreateLifecycleListener, DeleteLifecycleListener,
@@ -75,25 +75,25 @@ DetachLifecycleListener, DirtyLifecycleListener, LoadLifecycleListener, StoreLif
 
     @Override
     public void preAttach(final InstanceLifecycleEvent event) {
-        final Persistable pojo = Utils.persistenceCapableFor(event);
+        final Persistable pojo = _Utils.persistenceCapableFor(event);
         persistenceSession.ensureRootObject(pojo);
     }
 
     @Override
     public void postAttach(final InstanceLifecycleEvent event) {
-        final Persistable pojo = Utils.persistenceCapableFor(event);
+        final Persistable pojo = _Utils.persistenceCapableFor(event);
         persistenceSession.ensureRootObject(pojo);
     }
 
     @Override
     public void postLoad(final InstanceLifecycleEvent event) {
-        final Persistable pojo = Utils.persistenceCapableFor(event);
+        final Persistable pojo = _Utils.persistenceCapableFor(event);
         persistenceSession.initializeEntity(pojo);
     }
 
     @Override
     public void preStore(InstanceLifecycleEvent event) {
-        final Persistable pojo = Utils.persistenceCapableFor(event);
+        final Persistable pojo = _Utils.persistenceCapableFor(event);
         if(pojo.dnGetStateManager().isNew(pojo)) {
             persistenceSession.invokeIsisPersistingCallback(pojo);
         }
@@ -101,7 +101,7 @@ DetachLifecycleListener, DirtyLifecycleListener, LoadLifecycleListener, StoreLif
 
     @Override
     public void postStore(InstanceLifecycleEvent event) {
-        final Persistable pojo = Utils.persistenceCapableFor(event);
+        final Persistable pojo = _Utils.persistenceCapableFor(event);
         if(pojo.dnGetStateManager().isNew(pojo)) {
             persistenceSession.enlistCreatedAndInvokeIsisPersistedCallback(pojo);
         } else {
@@ -111,7 +111,7 @@ DetachLifecycleListener, DirtyLifecycleListener, LoadLifecycleListener, StoreLif
 
     @Override
     public void preDirty(InstanceLifecycleEvent event) {
-        final Persistable pojo = Utils.persistenceCapableFor(event);
+        final Persistable pojo = _Utils.persistenceCapableFor(event);
         persistenceSession.enlistUpdatingAndInvokeIsisUpdatingCallback(pojo);
     }
 
@@ -127,7 +127,7 @@ DetachLifecycleListener, DirtyLifecycleListener, LoadLifecycleListener, StoreLif
 
     @Override
     public void preDelete(InstanceLifecycleEvent event) {
-        final Persistable pojo = Utils.persistenceCapableFor(event);
+        final Persistable pojo = _Utils.persistenceCapableFor(event);
         persistenceSession.enlistDeletingAndInvokeIsisRemovingCallbackFacet(pojo);
 
 
@@ -162,13 +162,13 @@ DetachLifecycleListener, DirtyLifecycleListener, LoadLifecycleListener, StoreLif
 
     @Override
     public void preDetach(InstanceLifecycleEvent event) {
-        final Persistable pojo = Utils.persistenceCapableFor(event);
+        final Persistable pojo = _Utils.persistenceCapableFor(event);
         persistenceSession.ensureRootObject(pojo);
     }
 
     @Override
     public void postDetach(InstanceLifecycleEvent event) {
-        final Persistable pojo = Utils.persistenceCapableFor(event);
+        final Persistable pojo = _Utils.persistenceCapableFor(event);
         persistenceSession.ensureRootObject(pojo);
     }
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisPersistenceSessionJdo.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisPersistenceSessionJdo.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisPersistenceSessionJdo.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisPersistenceSessionJdo.java
index 5a77567..1ded1d8 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisPersistenceSessionJdo.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisPersistenceSessionJdo.java
@@ -16,12 +16,12 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.List;
 
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapterProvider;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.PersistenceCommand;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapterProvider;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.PersistenceCommand;
 
 /**
  * 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisPersistenceSessionJdoBase.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisPersistenceSessionJdoBase.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisPersistenceSessionJdoBase.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisPersistenceSessionJdoBase.java
index 9e05ec8..eb199ec 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisPersistenceSessionJdoBase.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisPersistenceSessionJdoBase.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.Map;
 import java.util.function.Supplier;
@@ -36,9 +36,9 @@ import org.apache.isis.core.metamodel.spec.ManagedObject;
 import org.apache.isis.core.metamodel.spec.ManagedObjects;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
 import org.apache.isis.core.runtime.persistence.changetracking.EntityChangeTracker;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.queries.PersistenceQueryProcessor;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.query.PersistenceQueryFactory;
 import org.apache.isis.persistence.jdo.applib.fixturestate.FixturesInstalledStateHolder;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.queries.PersistenceQueryProcessor;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.query.PersistenceQueryFactory;
 
 import lombok.Getter;
 import lombok.val;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisPlatformTransactionManagerForJdo.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisPlatformTransactionManagerForJdo.java
similarity index 98%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisPlatformTransactionManagerForJdo.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisPlatformTransactionManagerForJdo.java
index 07fd092..784b964 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisPlatformTransactionManagerForJdo.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisPlatformTransactionManagerForJdo.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import javax.inject.Inject;
 import javax.inject.Named;
@@ -87,7 +87,7 @@ public class IsisPlatformTransactionManagerForJdo extends AbstractPlatformTransa
         
         if(!isInInteraction) {
             
-            if(Utils.isJUnitTest()) {
+            if(_Utils.isJUnitTest()) {
 
                 throw _Exceptions.illegalState("No InteractionSession available. "
                         + "Transactions are expected to be within scope of an InteractionSession."
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisTransactionJdo.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisTransactionJdo.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisTransactionJdo.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisTransactionJdo.java
index ec32789..5af86f3 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisTransactionJdo.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisTransactionJdo.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.UUID;
 import java.util.concurrent.CountDownLatch;
@@ -41,9 +41,9 @@ import org.apache.isis.core.metamodel.spec.ManagedObject;
 import org.apache.isis.core.runtime.iactn.InteractionTracker;
 import org.apache.isis.core.runtime.persistence.transaction.IsisTransactionFlushException;
 import org.apache.isis.core.runtime.persistence.transaction.IsisTransactionManagerException;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.CreateObjectCommand;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.DestroyObjectCommand;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.PersistenceCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.CreateObjectCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.DestroyObjectCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.PersistenceCommand;
 
 import lombok.Getter;
 import lombok.val;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisTransactionManagerJdo.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisTransactionManagerJdo.java
similarity index 98%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisTransactionManagerJdo.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisTransactionManagerJdo.java
index a001443..ae838d4 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/IsisTransactionManagerJdo.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/IsisTransactionManagerJdo.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.function.Supplier;
 
@@ -31,7 +31,7 @@ import org.apache.isis.commons.internal.exceptions._Exceptions;
 import org.apache.isis.core.runtime.persistence.transaction.IsisTransactionAspectSupport;
 import org.apache.isis.core.runtime.persistence.transaction.IsisTransactionManagerException;
 import org.apache.isis.core.runtime.persistence.transaction.IsisTransactionObject;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.PersistenceCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.PersistenceCommand;
 
 import lombok.Getter;
 import lombok.val;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSession.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSession.java
similarity index 98%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSession.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSession.java
index 207f422..589a6e7 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSession.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSession.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.List;
 import java.util.Map;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSession5.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSession5.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSession5.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSession5.java
index cd23562..5037138 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSession5.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSession5.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.text.MessageFormat;
 import java.util.ArrayList;
@@ -58,25 +58,25 @@ import org.apache.isis.core.metamodel.services.container.query.QueryCardinality;
 import org.apache.isis.core.metamodel.spec.ManagedObject;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.runtime.persistence.transaction.IsisTransactionObject;
+import org.apache.isis.legacy.jdo.datanucleus.config.spi.JdoObjectIdSerializer;
+import org.apache.isis.legacy.jdo.datanucleus.lifecycles.JdoStoreLifecycleListenerForIsis;
+import org.apache.isis.legacy.jdo.datanucleus.lifecycles.LoadLifecycleListenerForIsis;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapterContext;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.CreateObjectCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.DestroyObjectCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.PersistenceCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.commands.DataNucleusCreateObjectCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.commands.DataNucleusDeleteObjectCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.queries.PersistenceQueryFindAllInstancesProcessor;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.queries.PersistenceQueryFindUsingApplibQueryProcessor;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.queries.PersistenceQueryProcessor;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.query.PersistenceQuery;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.query.PersistenceQueryFindAllInstances;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.query.PersistenceQueryFindUsingApplibQueryDefault;
 import org.apache.isis.persistence.jdo.applib.exceptions.NotPersistableException;
 import org.apache.isis.persistence.jdo.applib.exceptions.UnsupportedFindException;
 import org.apache.isis.persistence.jdo.applib.fixturestate.FixturesInstalledStateHolder;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.commands.DataNucleusCreateObjectCommand;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.commands.DataNucleusDeleteObjectCommand;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.queries.PersistenceQueryFindAllInstancesProcessor;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.queries.PersistenceQueryFindUsingApplibQueryProcessor;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.queries.PersistenceQueryProcessor;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.spi.JdoObjectIdSerializer;
-import org.apache.isis.persistence.jdo.datanucleus5.lifecycles.JdoStoreLifecycleListenerForIsis;
-import org.apache.isis.persistence.jdo.datanucleus5.lifecycles.LoadLifecycleListenerForIsis;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapter;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapterContext;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.CreateObjectCommand;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.DestroyObjectCommand;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.PersistenceCommand;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.query.PersistenceQuery;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.query.PersistenceQueryFindAllInstances;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.query.PersistenceQueryFindUsingApplibQueryDefault;
 
 import static org.apache.isis.commons.internal.base._Casts.uncheckedCast;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSessionFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSessionFactory.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSessionFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSessionFactory.java
index 6082d22..24b2989 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSessionFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSessionFactory.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import org.apache.isis.core.metamodel.context.MetaModelContext;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSessionFactory5.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSessionFactory5.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSessionFactory5.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSessionFactory5.java
index a1a42cc..b300ce8 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/PersistenceSessionFactory5.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/PersistenceSessionFactory5.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.Map;
 import java.util.Objects;
@@ -39,13 +39,12 @@ import org.apache.isis.commons.internal.base._Lazy;
 import org.apache.isis.commons.internal.base._NullSafe;
 import org.apache.isis.commons.internal.collections._Maps;
 import org.apache.isis.core.config.IsisConfiguration;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
 import org.apache.isis.core.metamodel.context.MetaModelContext;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
+import org.apache.isis.legacy.jdo.datanucleus.config.DataNucleusSettings;
+import org.apache.isis.legacy.jdo.datanucleus.config.JdoEntityTypeRegistry;
 import org.apache.isis.persistence.jdo.applib.fixturestate.FixturesInstalledState;
 import org.apache.isis.persistence.jdo.applib.fixturestate.FixturesInstalledStateHolder;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.DataNucleusContextUtil;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.DataNucleusSettings;
-import org.apache.isis.persistence.jdo.datanucleus5.entities.JdoEntityTypeRegistry;
 
 import lombok.Getter;
 import lombok.Setter;
@@ -128,7 +127,7 @@ implements PersistenceSessionFactory, FixturesInstalledStateHolder {
         
         val props = _Maps.<String, Object>newHashMap();
         props.putAll(dnSettings.getAsMap());
-        DataNucleusContextUtil.putMetaModelContext(props, metaModelContext);
+        _ContextUtil.putMetaModelContext(props, metaModelContext);
 
         String connectionFactoryName = (String) props.get(PropertyNames.PROPERTY_CONNECTION_FACTORY_NAME);
         if(connectionFactoryName != null) {
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusContextUtil.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/_ContextUtil.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusContextUtil.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/_ContextUtil.java
index 380bed4..284ae80 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/DataNucleusContextUtil.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/_ContextUtil.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import java.util.Map;
 import java.util.Optional;
@@ -26,15 +26,13 @@ import org.datanucleus.ExecutionContext;
 import org.apache.isis.core.metamodel.context.MetaModelContext;
 
 import lombok.val;
-import lombok.experimental.UtilityClass;
 
 /**
  * 
  * @since 2.0
  *
  */
-@UtilityClass
-public class DataNucleusContextUtil {
+final class _ContextUtil {
     
     // required to be lower-case for DN to be accepted
     private static final String METAMODELCONTEXT_PROPERTY_KEY = "isis.metamodelcontext"; 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/Utils.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/_Utils.java
similarity index 90%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/Utils.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/_Utils.java
index 72cd5ba..c1f7f34 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/Utils.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/_Utils.java
@@ -16,17 +16,17 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence;
+package org.apache.isis.legacy.jdo.datanucleus.persistence;
 
 import javax.jdo.listener.InstanceLifecycleEvent;
 
 import org.datanucleus.enhancement.Persistable;
 
-final class Utils {
+final class _Utils {
 
     @SuppressWarnings("unused")
     private static Object jdoObjectIdFor(InstanceLifecycleEvent event) {
-        Persistable persistenceCapable = Utils.persistenceCapableFor(event);
+        Persistable persistenceCapable = _Utils.persistenceCapableFor(event);
         Object jdoObjectId = persistenceCapable.dnGetObjectId();
         return jdoObjectId;
     }
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/CreateObjectCommand.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/CreateObjectCommand.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/CreateObjectCommand.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/CreateObjectCommand.java
index 2646ec3..26bb4a2 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/CreateObjectCommand.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/CreateObjectCommand.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.command;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.command;
 
 public interface CreateObjectCommand extends PersistenceCommand {
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/DestroyObjectCommand.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/DestroyObjectCommand.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/DestroyObjectCommand.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/DestroyObjectCommand.java
index cb39257..8894293 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/DestroyObjectCommand.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/DestroyObjectCommand.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.command;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.command;
 
 public interface DestroyObjectCommand extends PersistenceCommand {
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/PersistenceCommand.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/PersistenceCommand.java
similarity index 93%
copy from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/PersistenceCommand.java
copy to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/PersistenceCommand.java
index 5bcd821..c0f90b4 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/PersistenceCommand.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/PersistenceCommand.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.command;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.command;
 
 import org.apache.isis.core.metamodel.spec.ManagedObject;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/PersistenceCommandAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/PersistenceCommandAbstract.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/PersistenceCommandAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/PersistenceCommandAbstract.java
index 8e740d8..84d21d6 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/PersistenceCommandAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/command/PersistenceCommandAbstract.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.command;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.command;
 
 import org.apache.isis.core.metamodel.spec.ManagedObject;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/commands/AbstractDataNucleusObjectCommand.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/commands/AbstractDataNucleusObjectCommand.java
similarity index 87%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/commands/AbstractDataNucleusObjectCommand.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/commands/AbstractDataNucleusObjectCommand.java
index 05b274a..e0688ff 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/commands/AbstractDataNucleusObjectCommand.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/commands/AbstractDataNucleusObjectCommand.java
@@ -16,12 +16,12 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.commands;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.commands;
 
 import javax.jdo.PersistenceManager;
 
 import org.apache.isis.core.metamodel.spec.ManagedObject;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.PersistenceCommandAbstract;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.PersistenceCommandAbstract;
 
 import lombok.Getter;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/commands/DataNucleusCreateObjectCommand.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/commands/DataNucleusCreateObjectCommand.java
similarity index 89%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/commands/DataNucleusCreateObjectCommand.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/commands/DataNucleusCreateObjectCommand.java
index 035451b..73aa331 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/commands/DataNucleusCreateObjectCommand.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/commands/DataNucleusCreateObjectCommand.java
@@ -16,11 +16,11 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.commands;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.commands;
 
 import org.apache.isis.core.metamodel.spec.ManagedObject;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.IsisPersistenceSessionJdo;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.CreateObjectCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.IsisPersistenceSessionJdo;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.CreateObjectCommand;
 
 import lombok.val;
 import lombok.extern.log4j.Log4j2;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/commands/DataNucleusDeleteObjectCommand.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/commands/DataNucleusDeleteObjectCommand.java
similarity index 90%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/commands/DataNucleusDeleteObjectCommand.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/commands/DataNucleusDeleteObjectCommand.java
index f866170..1bca6e9 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/commands/DataNucleusDeleteObjectCommand.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/commands/DataNucleusDeleteObjectCommand.java
@@ -16,12 +16,12 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.commands;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.commands;
 
 import javax.jdo.PersistenceManager;
 
 import org.apache.isis.core.metamodel.spec.ManagedObject;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.command.DestroyObjectCommand;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.command.DestroyObjectCommand;
 
 import lombok.extern.log4j.Log4j2;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryFindAllInstancesProcessor.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryFindAllInstancesProcessor.java
similarity index 88%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryFindAllInstancesProcessor.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryFindAllInstancesProcessor.java
index 1ad9720..ffdb4e9 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryFindAllInstancesProcessor.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryFindAllInstancesProcessor.java
@@ -16,12 +16,12 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.queries;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.queries;
 
 import org.apache.isis.commons.collections.Can;
 import org.apache.isis.core.metamodel.spec.ManagedObject;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.PersistenceSession5;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.query.PersistenceQueryFindAllInstances;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.PersistenceSession5;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.query.PersistenceQueryFindAllInstances;
 
 import lombok.val;
 import lombok.extern.log4j.Log4j2;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryFindUsingApplibQueryProcessor.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryFindUsingApplibQueryProcessor.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryFindUsingApplibQueryProcessor.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryFindUsingApplibQueryProcessor.java
index ec7ec08..6c54680 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryFindUsingApplibQueryProcessor.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryFindUsingApplibQueryProcessor.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.queries;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.queries;
 
 import java.util.Collections;
 import java.util.List;
@@ -32,10 +32,10 @@ import org.apache.isis.core.metamodel.spec.ManagedObject;
 import org.apache.isis.core.metamodel.spec.ManagedObjects;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.metamodel.spec.feature.OneToOneAssociation;
-import org.apache.isis.persistence.jdo.datanucleus5.datanucleus.metamodel.JdoPropertyUtils;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapter;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.PersistenceSession5;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.query.PersistenceQueryFindUsingApplibQueryDefault;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.JdoPropertyUtils;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.PersistenceSession5;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.query.PersistenceQueryFindUsingApplibQueryDefault;
 
 import lombok.val;
 import lombok.extern.log4j.Log4j2;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryProcessor.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryProcessor.java
similarity index 85%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryProcessor.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryProcessor.java
index a0c9d9d..5975228 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryProcessor.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryProcessor.java
@@ -16,11 +16,11 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.queries;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.queries;
 
 import org.apache.isis.commons.collections.Can;
 import org.apache.isis.core.metamodel.spec.ManagedObject;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.query.PersistenceQuery;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.query.PersistenceQuery;
 
 public interface PersistenceQueryProcessor<T extends PersistenceQuery> {
     
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryProcessorAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryProcessorAbstract.java
similarity index 87%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryProcessorAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryProcessorAbstract.java
index c3f174c..3015777 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/PersistenceQueryProcessorAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/PersistenceQueryProcessorAbstract.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.queries;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.queries;
 
 import java.util.List;
 
@@ -29,11 +29,11 @@ import org.apache.isis.commons.collections.Can;
 import org.apache.isis.commons.internal.assertions._Assert;
 import org.apache.isis.commons.internal.collections._Lists;
 import org.apache.isis.core.metamodel.spec.ManagedObject;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.IsisLifecycleListener;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.PersistenceSession5;
+import org.apache.isis.legacy.jdo.datanucleus.persistence.query.PersistenceQuery;
 import org.apache.isis.persistence.jdo.applib.services.IsisJdoSupport_v3_2;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapter;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.IsisLifecycleListener;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.PersistenceSession5;
-import org.apache.isis.persistence.jdo.datanucleus5.persistence.query.PersistenceQuery;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/QueryUtil.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/QueryUtil.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/QueryUtil.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/QueryUtil.java
index 5fed7b5..5be14d6 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/persistence/queries/QueryUtil.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/queries/QueryUtil.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.persistence.queries;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.queries;
 
 import javax.jdo.PersistenceManager;
 import javax.jdo.Query;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQuery.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQuery.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQuery.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQuery.java
index f39af9d..c0c909a 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQuery.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQuery.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.query;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.query;
 
 import org.apache.isis.applib.query.Query;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryAbstract.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryAbstract.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryAbstract.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryAbstract.java
index e776c77..3519320 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryAbstract.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryAbstract.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.query;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.query;
 
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryFactory.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryFactory.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryFactory.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryFactory.java
index 3b8cda5..bfeb604 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryFactory.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryFactory.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.query;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.query;
 
 import java.util.Map;
 import java.util.function.Function;
@@ -29,7 +29,7 @@ import org.apache.isis.commons.internal.exceptions._Exceptions;
 import org.apache.isis.core.metamodel.services.container.query.QueryCardinality;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapter;
 
 import lombok.RequiredArgsConstructor;
 import lombok.extern.log4j.Log4j2;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryFindAllInstances.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryFindAllInstances.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryFindAllInstances.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryFindAllInstances.java
index deb7e8d..55655a6 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryFindAllInstances.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryFindAllInstances.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.query;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.query;
 
 import org.apache.isis.applib.query.AllInstancesQuery;
 import org.apache.isis.core.metamodel.commons.ToString;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryFindUsingApplibQueryDefault.java b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryFindUsingApplibQueryDefault.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryFindUsingApplibQueryDefault.java
rename to legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryFindUsingApplibQueryDefault.java
index a7102e6..75a70f7 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/query/PersistenceQueryFindUsingApplibQueryDefault.java
+++ b/legacy/jdo/datanucleus/src/main/java/org/apache/isis/legacy/jdo/datanucleus/persistence/query/PersistenceQueryFindUsingApplibQueryDefault.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.query;
+package org.apache.isis.legacy.jdo.datanucleus.persistence.query;
 
 import java.util.Collections;
 import java.util.Map;
@@ -27,7 +27,7 @@ import org.apache.isis.core.metamodel.commons.ToString;
 import org.apache.isis.core.metamodel.services.container.query.QueryCardinality;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapter;
 
 /**
  * Corresponds to an object-store specific implementation of {@link Query}.
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/core/runtime/persistence/objectstore/transaction/PojoAdapterBuilder.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/PojoAdapterBuilder.java
similarity index 96%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/core/runtime/persistence/objectstore/transaction/PojoAdapterBuilder.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/PojoAdapterBuilder.java
index ffb3238..15f8adc 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/core/runtime/persistence/objectstore/transaction/PojoAdapterBuilder.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/PojoAdapterBuilder.java
@@ -16,8 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-
-package org.apache.isis.core.runtime.persistence.objectstore.transaction;
+package org.apache.isis.legacy.jdo.datanucleus;
 
 import java.util.Iterator;
 
@@ -27,7 +26,7 @@ import org.apache.isis.core.metamodel.adapter.oid.Oid.Factory;
 import org.apache.isis.core.metamodel.adapter.oid.RootOid;
 import org.apache.isis.core.metamodel.spec.ObjectSpecId;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.PojoAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.PojoAdapter;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/adapterfactory/PojoAdapterTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/adapterfactory/PojoAdapterTest.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/adapterfactory/PojoAdapterTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/adapterfactory/PojoAdapterTest.java
index 1493efd..63e5ca4 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/adapterfactory/PojoAdapterTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/adapterfactory/PojoAdapterTest.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.adapterfactory;
+package org.apache.isis.legacy.jdo.datanucleus.adapterfactory;
 
 import org.jmock.Expectations;
 import org.jmock.auto.Mock;
@@ -31,8 +31,8 @@ import org.apache.isis.core.metamodel.adapter.oid.Oid.Factory;
 import org.apache.isis.core.metamodel.spec.ObjectSpecId;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
 import org.apache.isis.core.security.authentication.Authentication;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapter;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.PojoAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.PojoAdapter;
 import org.apache.isis.core.internaltestsupport.jmocking.JUnitRuleMockery2;
 import org.apache.isis.core.internaltestsupport.jmocking.JUnitRuleMockery2.Mode;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/adapterfactory/TestPojo.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/adapterfactory/TestPojo.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/adapterfactory/TestPojo.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/adapterfactory/TestPojo.java
index 7c04a97..972c364 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/adapterfactory/TestPojo.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/adapterfactory/TestPojo.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.adapterfactory;
+package org.apache.isis.legacy.jdo.datanucleus.adapterfactory;
 
 public class TestPojo {
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationExceptionTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationExceptionTest.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationExceptionTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationExceptionTest.java
index e479596..7f5f946 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationExceptionTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/exceprecog/ExceptionRecognizerForSQLIntegrityConstraintViolationExceptionTest.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.exceprecog;
+package org.apache.isis.legacy.jdo.datanucleus.exceprecog;
 
 import java.sql.SQLIntegrityConstraintViolationException;
 
@@ -28,6 +28,8 @@ import static org.hamcrest.CoreMatchers.not;
 import static org.hamcrest.CoreMatchers.nullValue;
 import static org.hamcrest.MatcherAssert.assertThat;
 
+import org.apache.isis.legacy.jdo.datanucleus.exceprecog.ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException;
+
 import lombok.val;
 
 public class ExceptionRecognizerForSQLIntegrityConstraintViolationExceptionTest {
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/GivenJdoDatastoreIdentityAnnotationFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/GivenJdoDatastoreIdentityAnnotationFacetFactoryTest.java
similarity index 88%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/GivenJdoDatastoreIdentityAnnotationFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/GivenJdoDatastoreIdentityAnnotationFacetFactoryTest.java
index 9ac5418..09975a3 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/datastoreidentity/GivenJdoDatastoreIdentityAnnotationFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/datastoreidentity/GivenJdoDatastoreIdentityAnnotationFacetFactoryTest.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.datastoreidentity;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity;
 
 import javax.jdo.annotations.DatastoreIdentity;
 import javax.jdo.annotations.IdGeneratorStrategy;
@@ -27,7 +27,10 @@ import org.datanucleus.enhancement.Persistable;
 import org.apache.isis.core.metamodel.facetapi.Facet;
 import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.FacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.testing.AbstractFacetFactoryTest;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity.JdoDatastoreIdentityAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity.JdoDatastoreIdentityFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.datastoreidentity.JdoDatastoreIdentityFacetAnnotation;
+import org.apache.isis.legacy.jdo.datanucleus.testing.AbstractFacetFactoryTest;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/GivenJdoDiscriminatorAnnotationFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/GivenJdoDiscriminatorAnnotationFacetFactoryTest.java
similarity index 86%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/GivenJdoDiscriminatorAnnotationFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/GivenJdoDiscriminatorAnnotationFacetFactoryTest.java
index 58b37ff..d2ad9db 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/discriminator/GivenJdoDiscriminatorAnnotationFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/discriminator/GivenJdoDiscriminatorAnnotationFacetFactoryTest.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.discriminator;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator;
 
 import javax.jdo.annotations.Discriminator;
 import javax.jdo.annotations.PersistenceCapable;
@@ -29,7 +29,11 @@ import org.apache.isis.core.metamodel.facets.FacetFactory;
 import org.apache.isis.core.metamodel.facets.ObjectSpecIdFacetFactory;
 import org.apache.isis.core.metamodel.facets.object.objectspecid.ObjectSpecIdFacet;
 import org.apache.isis.core.metamodel.spec.ObjectSpecId;
-import org.apache.isis.persistence.jdo.datanucleus5.testing.AbstractFacetFactoryTest;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator.JdoDiscriminatorAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator.JdoDiscriminatorFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator.JdoDiscriminatorFacetDefault;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.discriminator.ObjectSpecIdFacetInferredFromJdoDiscriminatorValueAnnotation;
+import org.apache.isis.legacy.jdo.datanucleus.testing.AbstractFacetFactoryTest;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/GivenJdoPersistenceCapableAnnotationFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/GivenJdoPersistenceCapableAnnotationFacetFactoryTest.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/GivenJdoPersistenceCapableAnnotationFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/GivenJdoPersistenceCapableAnnotationFacetFactoryTest.java
index db26fc0..7b4ce25 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/persistencecapable/GivenJdoPersistenceCapableAnnotationFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/persistencecapable/GivenJdoPersistenceCapableAnnotationFacetFactoryTest.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.persistencecapable;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable;
 
 import javax.jdo.annotations.IdentityType;
 import javax.jdo.annotations.PersistenceCapable;
@@ -27,7 +27,10 @@ import org.apache.isis.core.metamodel.facetapi.Facet;
 import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.FacetFactory;
 import org.apache.isis.core.metamodel.facets.ObjectSpecIdFacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.testing.AbstractFacetFactoryTest;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.persistencecapable.JdoPersistenceCapableFacetAnnotation;
+import org.apache.isis.legacy.jdo.datanucleus.testing.AbstractFacetFactoryTest;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryAnnotationFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryAnnotationFacetFactoryTest.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryAnnotationFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryAnnotationFacetFactoryTest.java
index 53ead8c..3c08bd5 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/query/JdoQueryAnnotationFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/query/JdoQueryAnnotationFacetFactoryTest.java
@@ -16,13 +16,16 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.query;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query;
 
 import org.junit.Test;
 
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.nullValue;
+
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.query.JdoQueryAnnotationFacetFactory;
+
 import static org.hamcrest.MatcherAssert.assertThat;
 
 public class JdoQueryAnnotationFacetFactoryTest {
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest.java
similarity index 86%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest.java
index 1aa15ec..a8d6346 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.version;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version;
 
 import javax.jdo.annotations.PersistenceCapable;
 import javax.jdo.annotations.Version;
@@ -26,7 +26,10 @@ import org.datanucleus.enhancement.Persistable;
 import org.apache.isis.core.metamodel.facetapi.Facet;
 import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.FacetFactory;
-import org.apache.isis.persistence.jdo.datanucleus5.testing.AbstractFacetFactoryTest;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version.JdoVersionAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version.JdoVersionFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version.JdoVersionFacetFromAnnotation;
+import org.apache.isis.legacy.jdo.datanucleus.testing.AbstractFacetFactoryTest;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest_refineMetaModel.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest_refineMetaModel.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest_refineMetaModel.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest_refineMetaModel.java
index 7473a7b..c3171c4 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest_refineMetaModel.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/object/version/JdoVersionAnnotationFacetFactoryTest_refineMetaModel.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.object.version;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version;
 
 import javax.jdo.annotations.Version;
 
@@ -36,6 +36,7 @@ import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidator;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorAbstract;
 import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.Visitor;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.object.version.JdoVersionAnnotationFacetFactory;
 import org.apache.isis.core.metamodel.specloader.validator.ValidationFailures;
 import org.apache.isis.core.internaltestsupport.jmocking.JUnitRuleMockery2;
 import org.apache.isis.core.internaltestsupport.jmocking.JUnitRuleMockery2.Mode;
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactoryTest.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactoryTest.java
index 8ea3056..41f5fb1 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/BigDecimalDerivedFromJdoColumnAnnotationFacetFactoryTest.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import java.lang.reflect.Method;
 
@@ -27,7 +27,10 @@ import org.apache.isis.core.metamodel.facetapi.Facet;
 import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.FacetFactory;
 import org.apache.isis.core.metamodel.facets.value.bigdecimal.BigDecimalValueFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.testing.AbstractFacetFactoryTest;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column.BigDecimalDerivedFromJdoColumnAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column.BigDecimalFacetDerivedFromJdoColumn;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column.BigDecimalFacetFallback;
+import org.apache.isis.legacy.jdo.datanucleus.testing.AbstractFacetFactoryTest;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryDerivedFromJdoColumnAnnotationFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryDerivedFromJdoColumnAnnotationFacetFactoryTest.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryDerivedFromJdoColumnAnnotationFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryDerivedFromJdoColumnAnnotationFacetFactoryTest.java
index da49c4e..b6fe075 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/MandatoryDerivedFromJdoColumnAnnotationFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/MandatoryDerivedFromJdoColumnAnnotationFacetFactoryTest.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import java.lang.reflect.Method;
 
@@ -26,7 +26,10 @@ import static org.hamcrest.MatcherAssert.assertThat;
 import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.FacetFactory;
 import org.apache.isis.core.metamodel.facets.objectvalue.mandatory.MandatoryFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.testing.AbstractFacetFactoryTest;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column.MandatoryFacetDerivedFromJdoColumn;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column.MandatoryFacetInferredFromAbsenceOfJdoColumn;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column.MandatoryFromJdoColumnAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.testing.AbstractFacetFactoryTest;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/SimpleObjectWithBigDecimalColumnAnnotations.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/SimpleObjectWithBigDecimalColumnAnnotations.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/SimpleObjectWithBigDecimalColumnAnnotations.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/SimpleObjectWithBigDecimalColumnAnnotations.java
index 1bf8894..bd6a633 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/SimpleObjectWithBigDecimalColumnAnnotations.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/SimpleObjectWithBigDecimalColumnAnnotations.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import java.math.BigDecimal;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/SimpleObjectWithColumnAllowsNullAnnotations.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/SimpleObjectWithColumnAllowsNullAnnotations.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/SimpleObjectWithColumnAllowsNullAnnotations.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/SimpleObjectWithColumnAllowsNullAnnotations.java
index dfff27c..23a0e8c 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/column/SimpleObjectWithColumnAllowsNullAnnotations.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/column/SimpleObjectWithColumnAllowsNullAnnotations.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.column;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.column;
 
 import javax.jdo.annotations.Column;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/GivenJdoNotPersistentAnnotationFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/GivenJdoNotPersistentAnnotationFacetFactoryTest.java
similarity index 91%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/GivenJdoNotPersistentAnnotationFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/GivenJdoNotPersistentAnnotationFacetFactoryTest.java
index 36d0ca3..634ac5c 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/GivenJdoNotPersistentAnnotationFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/GivenJdoNotPersistentAnnotationFacetFactoryTest.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent;
 
 import java.lang.reflect.Method;
 
@@ -26,7 +26,9 @@ import org.apache.isis.core.metamodel.facetapi.Facet;
 import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.FacetFactory;
 import org.apache.isis.core.metamodel.facets.propcoll.memserexcl.MementoSerializationExcludeFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.testing.AbstractFacetFactoryTest;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent.JdoNotPersistentAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent.JdoNotPersistentFacet;
+import org.apache.isis.legacy.jdo.datanucleus.testing.AbstractFacetFactoryTest;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/SimpleObjectWithNotPersistentColumn.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/SimpleObjectWithNotPersistentColumn.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/SimpleObjectWithNotPersistentColumn.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/SimpleObjectWithNotPersistentColumn.java
index 69e0479..1048ad5 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/notpersistent/SimpleObjectWithNotPersistentColumn.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/notpersistent/SimpleObjectWithNotPersistentColumn.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.notpersistent;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.notpersistent;
 
 import javax.jdo.annotations.NotPersistent;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/GivenJdoPrimaryKeyAnnotationFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/GivenJdoPrimaryKeyAnnotationFacetFactoryTest.java
similarity index 88%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/GivenJdoPrimaryKeyAnnotationFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/GivenJdoPrimaryKeyAnnotationFacetFactoryTest.java
index c858f7a..ee0d33e 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/GivenJdoPrimaryKeyAnnotationFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/GivenJdoPrimaryKeyAnnotationFacetFactoryTest.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
 
 import java.lang.reflect.Method;
 
@@ -27,7 +27,11 @@ import org.apache.isis.core.metamodel.facetapi.FeatureType;
 import org.apache.isis.core.metamodel.facets.FacetFactory;
 import org.apache.isis.core.metamodel.facets.members.disabled.DisabledFacet;
 import org.apache.isis.core.metamodel.facets.objectvalue.mandatory.MandatoryFacet;
-import org.apache.isis.persistence.jdo.datanucleus5.testing.AbstractFacetFactoryTest;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey.DisabledFacetDerivedFromJdoPrimaryKeyAnnotation;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey.JdoPrimaryKeyAnnotationFacetFactory;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey.JdoPrimaryKeyFacet;
+import org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey.OptionalFacetDerivedFromJdoPrimaryKeyAnnotation;
+import org.apache.isis.legacy.jdo.datanucleus.testing.AbstractFacetFactoryTest;
 
 import lombok.val;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/SimpleObjectWithPrimaryKey.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/SimpleObjectWithPrimaryKey.java
similarity index 92%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/SimpleObjectWithPrimaryKey.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/SimpleObjectWithPrimaryKey.java
index 332ea1e..d4c4bb3 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/metamodel/facets/prop/primarykey/SimpleObjectWithPrimaryKey.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/metamodel/facets/prop/primarykey/SimpleObjectWithPrimaryKey.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.metamodel.facets.prop.primarykey;
+package org.apache.isis.legacy.jdo.datanucleus.metamodel.facets.prop.primarykey;
 
 import javax.jdo.annotations.PrimaryKey;
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/specloader/ObjectReflectorDefaultTest_object.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/specloader/ObjectReflectorDefaultTest_object.java
similarity index 98%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/specloader/ObjectReflectorDefaultTest_object.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/specloader/ObjectReflectorDefaultTest_object.java
index f8fa4cd..746ca35 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/specloader/ObjectReflectorDefaultTest_object.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/specloader/ObjectReflectorDefaultTest_object.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.specloader;
+package org.apache.isis.legacy.jdo.datanucleus.specloader;
 
 import org.datanucleus.enhancement.Persistable;
 import org.junit.jupiter.api.Test;
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/specloader/SpecificationLoaderTestAbstract.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/specloader/SpecificationLoaderTestAbstract.java
similarity index 99%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/specloader/SpecificationLoaderTestAbstract.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/specloader/SpecificationLoaderTestAbstract.java
index e17a7ac..31bb329 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/specloader/SpecificationLoaderTestAbstract.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/specloader/SpecificationLoaderTestAbstract.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.specloader;
+package org.apache.isis.legacy.jdo.datanucleus.specloader;
 
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/testing/AbstractFacetFactoryTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/testing/AbstractFacetFactoryTest.java
similarity index 99%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/testing/AbstractFacetFactoryTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/testing/AbstractFacetFactoryTest.java
index 7d52346..c8d6798 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/testing/AbstractFacetFactoryTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/testing/AbstractFacetFactoryTest.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.testing;
+package org.apache.isis.legacy.jdo.datanucleus.testing;
 
 import java.lang.reflect.Method;
 import java.util.Optional;
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/testing/ObjectMemberAbstractTest.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/testing/ObjectMemberAbstractTest.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/testing/ObjectMemberAbstractTest.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/testing/ObjectMemberAbstractTest.java
index bfa7a9d..a28434b 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/testing/ObjectMemberAbstractTest.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/testing/ObjectMemberAbstractTest.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.testing;
+package org.apache.isis.legacy.jdo.datanucleus.testing;
 
 import java.util.Optional;
 
@@ -66,9 +66,9 @@ import org.apache.isis.core.metamodel.spec.ObjectSpecification;
 import org.apache.isis.core.metamodel.specloader.SpecificationLoader;
 import org.apache.isis.core.metamodel.specloader.specimpl.ObjectMemberAbstract;
 import org.apache.isis.core.security.authentication.AuthenticationContext;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.ObjectAdapter;
+import org.apache.isis.legacy.jdo.datanucleus.objectadapter.PojoAdapter;
 import org.apache.isis.core.security.authentication.Authentication;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.ObjectAdapter;
-import org.apache.isis.persistence.jdo.datanucleus5.objectadapter.PojoAdapter;
 
 public class ObjectMemberAbstractTest {
 
diff --git a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/testing/Utils.java b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/testing/Utils.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/testing/Utils.java
rename to legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/testing/Utils.java
index 7a56605..6f1999d 100644
--- a/persistence/jdo/datanucleus-5/src/test/java/org/apache/isis/persistence/jdo/datanucleus5/testing/Utils.java
+++ b/legacy/jdo/datanucleus/src/test/java/org/apache/isis/legacy/jdo/datanucleus/testing/Utils.java
@@ -17,7 +17,7 @@
  *  under the License.
  */
 
-package org.apache.isis.persistence.jdo.datanucleus5.testing;
+package org.apache.isis.legacy.jdo.datanucleus.testing;
 
 import java.lang.reflect.Method;
 
diff --git a/legacy/pom.xml b/legacy/pom.xml
index a4d5f57..b28832a 100644
--- a/legacy/pom.xml
+++ b/legacy/pom.xml
@@ -80,6 +80,16 @@
 				<artifactId>isis-legacy-restclient</artifactId>
 				<version>2.0.0-SNAPSHOT</version>
 			</dependency>
+			<dependency>
+				<groupId>org.apache.isis.legacy</groupId>
+				<artifactId>isis-legacy-jdo-applib</artifactId>
+				<version>2.0.0-SNAPSHOT</version>
+			</dependency>
+			<dependency>
+				<groupId>org.apache.isis.legacy</groupId>
+				<artifactId>isis-legacy-jdo-datanucleus</artifactId>
+				<version>2.0.0-SNAPSHOT</version>
+			</dependency>
 
 			<!-- testing -->
 			<dependency>
@@ -105,6 +115,8 @@
 		<module>extensions/core/metamodel</module>
 		<module>extensions/core/runtime</module>
 		<module>mappings/restclient</module>
+		<module>jdo/applib</module>
+		<module>jdo/datanucleus</module>
 	</modules>
 
 </project>
diff --git a/mavendeps/webapp/pom.xml b/mavendeps/webapp/pom.xml
index d71c782..7af5218 100644
--- a/mavendeps/webapp/pom.xml
+++ b/mavendeps/webapp/pom.xml
@@ -128,7 +128,7 @@
 
 		<dependency>
 			<groupId>org.apache.isis.persistence</groupId>
-			<artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+			<artifactId>isis-persistence-jdo-integration</artifactId>
 		</dependency>
 
 		<dependency>
diff --git a/persistence/jdo/applib/src/main/java/org/apache/isis/persistence/jdo/applib/services/JdoSupportService.java b/persistence/jdo/applib/src/main/java/org/apache/isis/persistence/jdo/applib/integration/JdoSupportService.java
similarity index 90%
copy from persistence/jdo/applib/src/main/java/org/apache/isis/persistence/jdo/applib/services/JdoSupportService.java
copy to persistence/jdo/applib/src/main/java/org/apache/isis/persistence/jdo/applib/integration/JdoSupportService.java
index 3b35624..419eff8 100644
--- a/persistence/jdo/applib/src/main/java/org/apache/isis/persistence/jdo/applib/services/JdoSupportService.java
+++ b/persistence/jdo/applib/src/main/java/org/apache/isis/persistence/jdo/applib/integration/JdoSupportService.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.applib.services;
+package org.apache.isis.persistence.jdo.applib.integration;
 
 import javax.jdo.PersistenceManagerFactory;
 
@@ -24,4 +24,6 @@ public interface JdoSupportService {
 
     PersistenceManagerFactory getPersistenceManagerFactory();
     
+    //JdoDialect getJdoDialect();
+    
 }
diff --git a/persistence/jdo/datanucleus-5/src/main/resources/META-INF/services/org.apache.isis.core.config.beans.IsisBeanTypeClassifier b/persistence/jdo/datanucleus-5/src/main/resources/META-INF/services/org.apache.isis.core.config.beans.IsisBeanTypeClassifier
deleted file mode 100644
index a0a2dd1..0000000
--- a/persistence/jdo/datanucleus-5/src/main/resources/META-INF/services/org.apache.isis.core.config.beans.IsisBeanTypeClassifier
+++ /dev/null
@@ -1 +0,0 @@
-org.apache.isis.persistence.jdo.datanucleus5.entities.IsisBeanTypeClassifierForJdo
\ No newline at end of file
diff --git a/persistence/jdo/implementation/pom.xml b/persistence/jdo/datanucleus/pom.xml
similarity index 88%
rename from persistence/jdo/implementation/pom.xml
rename to persistence/jdo/datanucleus/pom.xml
index 2a36995..75617cf 100644
--- a/persistence/jdo/implementation/pom.xml
+++ b/persistence/jdo/datanucleus/pom.xml
@@ -19,16 +19,16 @@
 		<version>2.0.0-SNAPSHOT</version>
 	</parent>
 
-	<artifactId>isis-persistence-jdo-implementation</artifactId>
+	<artifactId>isis-persistence-jdo-datanucleus</artifactId>
 
-	<name>Apache Isis Persistence - JDO (implementation)</name>
+	<name>Apache Isis Persistence - JDO Provider (DataNucleus)</name>
 	<description>
         JDO Implementation (powered by DataNucleus)
     </description>
 
 	<properties>
-		<jar-plugin.automaticModuleName>org.apache.isis.persistence.jdo.implementation</jar-plugin.automaticModuleName>
-		<git-plugin.propertiesDir>org/apache/isis/persistence/jdo/implementation</git-plugin.propertiesDir>
+		<jar-plugin.automaticModuleName>org.apache.isis.persistence.jdo.datanucleus</jar-plugin.automaticModuleName>
+		<git-plugin.propertiesDir>org/apache/isis/persistence/jdo/datanucleus</git-plugin.propertiesDir>
 	</properties>
 
 	<build>
@@ -72,6 +72,11 @@
 			<groupId>org.apache.isis.persistence</groupId>
 			<artifactId>isis-persistence-jdo-applib</artifactId>
 		</dependency>
+		
+		<dependency>
+			<groupId>org.apache.isis.persistence</groupId>
+			<artifactId>isis-persistence-jdo-provider</artifactId>
+		</dependency>
 
 		<dependency>
 			<groupId>org.apache.isis.core</groupId>
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/JdoRuntimeException.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/IsisModuleJdoProviderDataNucleus.java
similarity index 63%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/JdoRuntimeException.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/IsisModuleJdoProviderDataNucleus.java
index db43b46..3642b76 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/JdoRuntimeException.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/IsisModuleJdoProviderDataNucleus.java
@@ -16,19 +16,19 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus;
+package org.apache.isis.persistence.jdo.datanucleus;
 
-public class JdoRuntimeException extends RuntimeException {
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
 
-    private static final long serialVersionUID = 1L;
-
-    public JdoRuntimeException() {
-        super();
-    }
-
-    public JdoRuntimeException(String arg0) {
-        super(arg0);
-    }
+import org.apache.isis.persistence.jdo.datanucleus.config.DnEntityDiscoveryListener;
+import org.apache.isis.persistence.jdo.datanucleus.entities.DnEntityStateProvider;
 
+@Configuration
+@Import({
+    DnEntityDiscoveryListener.class,
+    DnEntityStateProvider.class,
+})
+public class IsisModuleJdoProviderDataNucleus {
 
 }
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/entities/IsisBeanTypeClassifierForJdo.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/config/DnBeanTypeClassifier.java
similarity index 93%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/entities/IsisBeanTypeClassifierForJdo.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/config/DnBeanTypeClassifier.java
index 19e19a9..4f7ae8a 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/entities/IsisBeanTypeClassifierForJdo.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/config/DnBeanTypeClassifier.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.entities;
+package org.apache.isis.persistence.jdo.datanucleus.config;
 
 import javax.jdo.annotations.EmbeddedOnly;
 
@@ -29,10 +29,10 @@ import static org.apache.isis.commons.internal.reflection._Annotations.findNeare
 import lombok.val;
 
 /**
- * ServiceLoader plugin, classifies PersistenceCapable types into BeanSort.ENTITY.
+ * ServiceLoader plugin, classifies PersistenceCapable types into {@link BeanSort#ENTITY_JDO}
  * @since 2.0
  */
-public class IsisBeanTypeClassifierForJdo implements IsisBeanTypeClassifier {
+public class DnBeanTypeClassifier implements IsisBeanTypeClassifier {
 
     @Override
     public BeanClassification classify(Class<?> type) {
diff --git a/persistence/jdo/implementation/src/main/java/org/apache/isis/persistence/jdo/implementation/config/JdoPmfUtil.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/config/DnEntityDiscoveryListener.java
similarity index 88%
rename from persistence/jdo/implementation/src/main/java/org/apache/isis/persistence/jdo/implementation/config/JdoPmfUtil.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/config/DnEntityDiscoveryListener.java
index 5a84e43..1a7aad1 100644
--- a/persistence/jdo/implementation/src/main/java/org/apache/isis/persistence/jdo/implementation/config/JdoPmfUtil.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/config/DnEntityDiscoveryListener.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.implementation.config;
+package org.apache.isis.persistence.jdo.datanucleus.config;
 
 import java.util.Map;
 import java.util.Properties;
@@ -27,16 +27,20 @@ import javax.jdo.PersistenceManagerFactory;
 
 import org.datanucleus.api.jdo.JDOPersistenceManagerFactory;
 import org.datanucleus.store.schema.SchemaAwareStoreManager;
+import org.springframework.stereotype.Component;
 
 import org.apache.isis.commons.internal.base._NullSafe;
 import org.apache.isis.commons.internal.context._Context;
+import org.apache.isis.persistence.jdo.provider.config.JdoEntityDiscoveryListener;
 
 import lombok.val;
 
-public final class JdoPmfUtil {
+@Component
+public class DnEntityDiscoveryListener implements JdoEntityDiscoveryListener {
 
-    public static void createSchema(
-            final PersistenceManagerFactory persistenceManagerFactory,
+    @Override
+    public void onEntitiesDiscovered(
+            final PersistenceManagerFactory persistenceManagerFactory, 
             final Set<Class<?>> entityTypes,
             final Map<String, String> dnSettings) {
 
@@ -69,5 +73,5 @@ public final class JdoPmfUtil {
         });
         
     }
-    
+
 }
diff --git a/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/entities/DnEntityStateProvider.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/entities/DnEntityStateProvider.java
new file mode 100644
index 0000000..de78c8e
--- /dev/null
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/entities/DnEntityStateProvider.java
@@ -0,0 +1,36 @@
+package org.apache.isis.persistence.jdo.datanucleus.entities;
+
+import org.datanucleus.enhancement.Persistable;
+import org.springframework.stereotype.Component;
+
+import org.apache.isis.applib.services.repository.EntityState;
+import org.apache.isis.persistence.jdo.provider.entities.JdoEntityStateProvider;
+
+import lombok.val;
+
+@Component
+public class DnEntityStateProvider implements JdoEntityStateProvider {
+
+    @Override
+    public EntityState getEntityState(Object pojo) {
+
+        if(pojo==null) {
+            return EntityState.NOT_PERSISTABLE;
+        }
+        
+        if (pojo!=null && pojo instanceof Persistable) {
+            val persistable = (Persistable) pojo;
+            val isDeleted = persistable.dnIsDeleted();
+            if(isDeleted) {
+                return EntityState.PERSISTABLE_DESTROYED;
+            }
+            val isPersistent = persistable.dnIsPersistent();
+            if(isPersistent) {
+                return EntityState.PERSISTABLE_ATTACHED;
+            }
+            return EntityState.PERSISTABLE_DETACHED;
+        }
+        return EntityState.NOT_PERSISTABLE;
+    }
+    
+}
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisBookmarkConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisBookmarkConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisBookmarkConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisBookmarkConverter.java
index 5f2a4d2..4e919d2 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisBookmarkConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisBookmarkConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.applib;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.applib;
 
 import org.datanucleus.store.types.converters.TypeConverter;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisLocalResourcePathConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisLocalResourcePathConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisLocalResourcePathConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisLocalResourcePathConverter.java
index 97fdb35..0e41080 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisLocalResourcePathConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisLocalResourcePathConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.applib;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.applib;
 
 import org.datanucleus.store.types.converters.TypeConverter;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisMarkupConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisMarkupConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisMarkupConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisMarkupConverter.java
index 01f56e4..b84cbfa 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisMarkupConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisMarkupConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.applib;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.applib;
 
 import org.datanucleus.store.types.converters.TypeConverter;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisPasswordConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisPasswordConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisPasswordConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisPasswordConverter.java
index cb9cba8..3275251 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/applib/IsisPasswordConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/applib/IsisPasswordConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.applib;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.applib;
 
 import org.datanucleus.store.types.converters.TypeConverter;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/image/JavaAwtBufferedImageByteArrayConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/image/JavaAwtBufferedImageByteArrayConverter.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/image/JavaAwtBufferedImageByteArrayConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/image/JavaAwtBufferedImageByteArrayConverter.java
index b88bbed..1ba371e 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/image/JavaAwtBufferedImageByteArrayConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/image/JavaAwtBufferedImageByteArrayConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.image;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.image;
 
 import java.awt.image.BufferedImage;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisChangesDtoConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisChangesDtoConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisChangesDtoConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisChangesDtoConverter.java
index a60e018..7cdbcdc 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisChangesDtoConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisChangesDtoConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.schema.v2;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.schema.v2;
 
 import org.datanucleus.store.types.converters.TypeConverter;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisCommandDtoConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisCommandDtoConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisCommandDtoConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisCommandDtoConverter.java
index d0d304f..f1ef4d6 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisCommandDtoConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisCommandDtoConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.schema.v2;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.schema.v2;
 
 import org.datanucleus.store.types.converters.TypeConverter;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisInteractionDtoConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisInteractionDtoConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisInteractionDtoConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisInteractionDtoConverter.java
index 1071ed0..dc76845 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisInteractionDtoConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisInteractionDtoConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.schema.v2;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.schema.v2;
 
 import org.datanucleus.store.types.converters.TypeConverter;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisOidDtoConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisOidDtoConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisOidDtoConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisOidDtoConverter.java
index ad3980c..4a378d2 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/schema/v2/IsisOidDtoConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/schema/v2/IsisOidDtoConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.schema.v2;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.schema.v2;
 
 import org.datanucleus.store.types.converters.TypeConverter;
 
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/time/IsoOffsetTimeConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/time/IsoOffsetTimeConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/time/IsoOffsetTimeConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/time/IsoOffsetTimeConverter.java
index 4a3ad8e..7b667f7 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/time/IsoOffsetTimeConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/time/IsoOffsetTimeConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.time;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.time;
 
 import java.time.OffsetTime;
 import java.time.format.DateTimeFormatter;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/time/IsoZonedDateTimeConverter.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/time/IsoZonedDateTimeConverter.java
similarity index 94%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/time/IsoZonedDateTimeConverter.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/time/IsoZonedDateTimeConverter.java
index c273855..c92f7f8 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/typeconverters/time/IsoZonedDateTimeConverter.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/typeconverters/time/IsoZonedDateTimeConverter.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.time;
+package org.apache.isis.persistence.jdo.datanucleus.typeconverters.time;
 
 import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/valuemappings/applib/ByteArrayBlobRdbmsMapping.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/valuemappings/applib/ByteArrayBlobRdbmsMapping.java
similarity index 95%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/valuemappings/applib/ByteArrayBlobRdbmsMapping.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/valuemappings/applib/ByteArrayBlobRdbmsMapping.java
index 5165abb..5375612 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/valuemappings/applib/ByteArrayBlobRdbmsMapping.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/valuemappings/applib/ByteArrayBlobRdbmsMapping.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.valuemappings.applib;
+package org.apache.isis.persistence.jdo.datanucleus.valuemappings.applib;
 
 import org.datanucleus.store.rdbms.RDBMSStoreManager;
 import org.datanucleus.store.rdbms.mapping.column.BlobColumnMapping;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/valuetypes/applib/IsisBlobMapping.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/valuetypes/applib/IsisBlobMapping.java
similarity index 98%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/valuetypes/applib/IsisBlobMapping.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/valuetypes/applib/IsisBlobMapping.java
index 55a3d5e..b39f17a 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/valuetypes/applib/IsisBlobMapping.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/valuetypes/applib/IsisBlobMapping.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.valuetypes.applib;
+package org.apache.isis.persistence.jdo.datanucleus.valuetypes.applib;
 
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/valuetypes/applib/IsisClobMapping.java b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/valuetypes/applib/IsisClobMapping.java
similarity index 97%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/valuetypes/applib/IsisClobMapping.java
rename to persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/valuetypes/applib/IsisClobMapping.java
index c8e6be6..9550dfa 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/datanucleus/valuetypes/applib/IsisClobMapping.java
+++ b/persistence/jdo/datanucleus/src/main/java/org/apache/isis/persistence/jdo/datanucleus/valuetypes/applib/IsisClobMapping.java
@@ -16,7 +16,7 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.datanucleus5.datanucleus.valuetypes.applib;
+package org.apache.isis.persistence.jdo.datanucleus.valuetypes.applib;
 
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
diff --git a/persistence/jdo/datanucleus-5/src/main/resources/META-INF/MANIFEST.MF b/persistence/jdo/datanucleus/src/main/resources/META-INF/MANIFEST.MF
similarity index 100%
rename from persistence/jdo/datanucleus-5/src/main/resources/META-INF/MANIFEST.MF
rename to persistence/jdo/datanucleus/src/main/resources/META-INF/MANIFEST.MF
diff --git a/persistence/jdo/datanucleus/src/main/resources/META-INF/services/org.apache.isis.core.config.beans.IsisBeanTypeClassifier b/persistence/jdo/datanucleus/src/main/resources/META-INF/services/org.apache.isis.core.config.beans.IsisBeanTypeClassifier
new file mode 100644
index 0000000..829733c
--- /dev/null
+++ b/persistence/jdo/datanucleus/src/main/resources/META-INF/services/org.apache.isis.core.config.beans.IsisBeanTypeClassifier
@@ -0,0 +1 @@
+org.apache.isis.persistence.jdo.datanucleus.config.DnBeanTypeClassifier
\ No newline at end of file
diff --git a/persistence/jdo/datanucleus-5/src/main/resources/plugin.xml b/persistence/jdo/datanucleus/src/main/resources/plugin.xml
similarity index 88%
rename from persistence/jdo/datanucleus-5/src/main/resources/plugin.xml
rename to persistence/jdo/datanucleus/src/main/resources/plugin.xml
index af4e0ef..0118326 100644
--- a/persistence/jdo/datanucleus-5/src/main/resources/plugin.xml
+++ b/persistence/jdo/datanucleus/src/main/resources/plugin.xml
@@ -28,10 +28,10 @@
     <extension point="org.datanucleus.store.rdbms.java_mapping">
         <mapping
             java-type="org.apache.isis.applib.value.Blob"
-            mapping-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.valuetypes.applib.IsisBlobMapping"/>
+            mapping-class="org.apache.isis.persistence.jdo.datanucleus.valuetypes.applib.IsisBlobMapping"/>
         <mapping
             java-type="org.apache.isis.applib.value.Clob"
-            mapping-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.valuetypes.applib.IsisClobMapping"/>
+            mapping-class="org.apache.isis.persistence.jdo.datanucleus.valuetypes.applib.IsisClobMapping"/>
         
     </extension>
 
@@ -45,14 +45,14 @@
                 jdbc-type="BLOB"
                 sql-type="BLOB"
                 default="true"
-                column-mapping-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.valuemappings.applib.ByteArrayBlobRdbmsMapping">
+                column-mapping-class="org.apache.isis.persistence.jdo.datanucleus.valuemappings.applib.ByteArrayBlobRdbmsMapping">
         </mapping>
         <mapping
                 java-type="[Ljava.lang.Byte;"
                 jdbc-type="BLOB"
                 sql-type="BLOB"
                 default="true"
-                column-mapping-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.valuemappings.applib.ByteArrayBlobRdbmsMapping">
+                column-mapping-class="org.apache.isis.persistence.jdo.datanucleus.valuemappings.applib.ByteArrayBlobRdbmsMapping">
         </mapping>
     </extension>
 
@@ -146,7 +146,7 @@
                 name="iso.zoneddatetime-string"
                 member-type="java.time.ZonedDateTime"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.time.IsoZonedDateTimeConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.time.IsoZonedDateTimeConverter"/>
     </extension>
     
     <extension point="org.datanucleus.type_converter">
@@ -154,7 +154,7 @@
                 name="iso.offsettime-string"
                 member-type="java.time.OffsetTime"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.time.IsoOffsetTimeConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.time.IsoOffsetTimeConverter"/>
     </extension>
     
     <extension point="org.datanucleus.type_converter">
@@ -162,7 +162,7 @@
                 name="isis.bufferedimage-bytearray"
                 member-type="java.awt.image.BufferedImage"
                 datastore-type="[B"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.image.JavaAwtBufferedImageByteArrayConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.image.JavaAwtBufferedImageByteArrayConverter"/>
     </extension>
     
     <extension point="org.datanucleus.type_converter">
@@ -170,7 +170,7 @@
                 name="isis.password-string"
                 member-type="org.apache.isis.applib.value.Password"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.applib.IsisPasswordConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.applib.IsisPasswordConverter"/>
     </extension>
 
     <extension point="org.datanucleus.type_converter">
@@ -178,7 +178,7 @@
                 name="isis.markup-string"
                 member-type="org.apache.isis.applib.value.Markup"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.applib.IsisMarkupConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.applib.IsisMarkupConverter"/>
     </extension>
 
     <extension point="org.datanucleus.type_converter">
@@ -186,7 +186,7 @@
                 name="isis.localresourcepath-string"
                 member-type="org.apache.isis.applib.value.LocalResourcePath"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.applib.IsisLocalResourcePathConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.applib.IsisLocalResourcePathConverter"/>
     </extension>
 
     <extension point="org.datanucleus.type_converter">
@@ -194,7 +194,7 @@
                 name="isis.bookmark-string"
                 member-type="org.apache.isis.applib.services.bookmark.Bookmark"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.applib.IsisBookmarkConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.applib.IsisBookmarkConverter"/>
     </extension>
 
     <extension point="org.datanucleus.type_converter">
@@ -202,7 +202,7 @@
                 name="isis.changesdtov2-string"
                 member-type="org.apache.isis.schema.chg.v2.ChangesDto"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.schema.v2.IsisChangesDtoConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.schema.v2.IsisChangesDtoConverter"/>
     </extension>
 
     <extension point="org.datanucleus.type_converter">
@@ -210,7 +210,7 @@
                 name="isis.oiddtov2-string"
                 member-type="org.apache.isis.schema.common.v2.OidDto"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.schema.v2.IsisOidDtoConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.schema.v2.IsisOidDtoConverter"/>
     </extension>
 
     <extension point="org.datanucleus.type_converter">
@@ -218,7 +218,7 @@
                 name="isis.commanddtov2-string"
                 member-type="org.apache.isis.schema.cmd.v2.CommandDto"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.schema.v2.IsisCommandDtoConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.schema.v2.IsisCommandDtoConverter"/>
     </extension>
 
     <extension point="org.datanucleus.type_converter">
@@ -226,7 +226,7 @@
                 name="isis.interactiondtov2-string"
                 member-type="org.apache.isis.schema.ixn.v2.InteractionDto"
                 datastore-type="java.lang.String"
-                converter-class="org.apache.isis.persistence.jdo.datanucleus5.datanucleus.typeconverters.schema.v2.IsisInteractionDtoConverter"/>
+                converter-class="org.apache.isis.persistence.jdo.datanucleus.typeconverters.schema.v2.IsisInteractionDtoConverter"/>
     </extension>
 
 </plugin>
diff --git a/persistence/jdo/implementation/src/main/java/org/apache/isis/persistence/jdo/implementation/IsisModuleJdoImplementation.java b/persistence/jdo/implementation/src/main/java/org/apache/isis/persistence/jdo/implementation/IsisModuleJdoImplementation.java
deleted file mode 100644
index ea4f15b..0000000
--- a/persistence/jdo/implementation/src/main/java/org/apache/isis/persistence/jdo/implementation/IsisModuleJdoImplementation.java
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- *  Licensed to the Apache Software Foundation (ASF) under one
- *  or more contributor license agreements.  See the NOTICE file
- *  distributed with this work for additional information
- *  regarding copyright ownership.  The ASF licenses this file
- *  to you under the Apache License, Version 2.0 (the
- *  "License"); you may not use this file except in compliance
- *  with the License.  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing,
- *  software distributed under the License is distributed on an
- *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- *  KIND, either express or implied.  See the License for the
- *  specific language governing permissions and limitations
- *  under the License.
- */
-package org.apache.isis.persistence.jdo.implementation;
-
-import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.Import;
-
-import org.apache.isis.core.runtime.IsisModuleCoreRuntime;
-import org.apache.isis.persistence.jdo.applib.IsisModulePersistenceJdoApplib;
-
-@Configuration
-@Import({
-    // modules
-    IsisModuleCoreRuntime.class,
-    IsisModulePersistenceJdoApplib.class,
-
-    // @Component's
-//    JdoProgrammingModel.class,
-    
-//    // @Service's
-//    DataNucleusSettings.class,
-//    ExceptionRecognizerForSQLIntegrityConstraintViolationUniqueOrIndexException.class,
-//    ExceptionRecognizerForJDODataStoreExceptionIntegrityConstraintViolationForeignKeyNoActionException.class,
-//    ExceptionRecognizerForJDOObjectNotFoundException.class,
-//    ExceptionRecognizerForJDODataStoreException.class,
-//    
-//    IsisJdoSupportDN5.class,
-//    IsisPlatformTransactionManagerForJdo.class,
-//    JdoPersistenceLifecycleService.class,
-//    PersistenceSessionFactory5.class,
-//    JdoMetamodelMenu.class,
-//
-//    // @Mixin's
-//    Persistable_datanucleusIdLong.class,
-//    Persistable_datanucleusVersionLong.class,
-//    Persistable_datanucleusVersionTimestamp.class,
-//    Persistable_downloadJdoMetadata.class,
-})
-public class IsisModuleJdoImplementation {
-    
-//    
-//    //TODO[2033] prefix 'isis.persistence.jdo-datanucleus.impl' is (for) legacy
-//    @ConfigurationProperties(prefix = "isis.persistence.jdo-datanucleus.impl")
-//    @Bean("dn-settings")
-//    public Map<String, String> dnSettings() {
-//        return new HashMap<>();
-//    }
-//    
-//    /**
-//     * {@link TransactionAwarePersistenceManagerFactoryProxy} was retired by the Spring Framework, recommended usage is still online [1].
-//     * Sources have been recovered from [2].
-//     * @see [1] https://docs.spring.io/spring-framework/docs/3.0.0.RC2/reference/html/ch13s04.html
-//     * @see [2] https://github.com/spring-projects/spring-framework/tree/2b3445df8134e2b0c4e4a4c4136cbaf9d58b7fc4/spring-orm/src/main/java/org/springframework/orm/jdo
-//     */
-//    @Bean @Named("transaction-aware-pmf-proxy")
-//    public TransactionAwarePersistenceManagerFactoryProxy getTransactionAwarePersistenceManagerFactoryProxy(
-//            final LocalPersistenceManagerFactoryBean lpmfBean) {
-//        
-//        val pmf = lpmfBean.getObject();
-//        JDOPersistenceManagerFactory jdopmf = (JDOPersistenceManagerFactory) pmf;
-//        final PersistenceNucleusContext nucleusContext = jdopmf.getNucleusContext();
-//        final MetaDataManager metaDataManager = nucleusContext.getMetaDataManager();
-//        
-//        val tapmfProxy = new TransactionAwarePersistenceManagerFactoryProxy();
-//        tapmfProxy.setTargetPersistenceManagerFactory(pmf);
-//        tapmfProxy.setAllowCreate(false);
-//        return tapmfProxy;
-//    }
-//    
-//    @Bean 
-//    public LocalPersistenceManagerFactoryBean getLocalPersistenceManagerFactoryBean(
-//            final @Named("dn-settings") Map<String, String> dnSettings) {
-//        
-//        val jdoPropertyMap = new HashMap<String, Object>();
-//        dnSettings.forEach(jdoPropertyMap::put);
-//        
-//        val lpmfBean = new LocalPersistenceManagerFactoryBean();
-//        lpmfBean.setJdoPropertyMap(jdoPropertyMap);
-//        return lpmfBean; 
-//    }
-    
-}
diff --git a/persistence/jdo/integration/pom.xml b/persistence/jdo/integration/pom.xml
index 6e3e720..1ce9169 100644
--- a/persistence/jdo/integration/pom.xml
+++ b/persistence/jdo/integration/pom.xml
@@ -31,56 +31,21 @@
 		<git-plugin.propertiesDir>org/apache/isis/persistence/jdo/integration</git-plugin.propertiesDir>
 	</properties>
 
-	<build>
-		<resources>
-			<resource>
-				<filtering>false</filtering>
-				<directory>src/main/resources</directory>
-			</resource>
-			<resource>
-				<filtering>false</filtering>
-				<directory>src/main/java</directory>
-				<includes>
-					<include>**</include>
-				</includes>
-				<excludes>
-					<exclude>**/*.java</exclude>
-				</excludes>
-			</resource>
-		</resources>
-		<testResources>
-            <testResource>
-                <filtering>false</filtering>
-                <directory>src/test/resources</directory>
-            </testResource>
-            <testResource>
-                <filtering>false</filtering>
-                <directory>src/test/java</directory>
-                <includes>
-                    <include>**</include>
-                </includes>
-                <excludes>
-                    <exclude>**/*.java</exclude>
-                </excludes>
-            </testResource>
-        </testResources>
-	</build>
-
 	<dependencies>
 
 		<dependency>
 			<groupId>org.apache.isis.persistence</groupId>
 			<artifactId>isis-persistence-jdo-applib</artifactId>
 		</dependency>
-
+		
 		<dependency>
-			<groupId>org.apache.isis.core</groupId>
-			<artifactId>isis-core-runtime</artifactId>
+			<groupId>org.apache.isis.persistence</groupId>
+			<artifactId>isis-persistence-jdo-provider</artifactId>
 		</dependency>
 
 		<dependency>
-			<groupId>org.datanucleus</groupId>
-			<artifactId>datanucleus-core</artifactId>
+			<groupId>org.apache.isis.core</groupId>
+			<artifactId>isis-core-runtime</artifactId>
 		</dependency>
 
 		<!-- TESTING -->
diff --git a/persistence/jdo/integration/src/main/java/org/apache/isis/persistence/jdo/integration/metamodel/JdoEntityFacetFactory.java b/persistence/jdo/integration/src/main/java/org/apache/isis/persistence/jdo/integration/metamodel/JdoEntityFacetFactory.java
index 86542be..716f49f 100644
--- a/persistence/jdo/integration/src/main/java/org/apache/isis/persistence/jdo/integration/metamodel/JdoEntityFacetFactory.java
+++ b/persistence/jdo/integration/src/main/java/org/apache/isis/persistence/jdo/integration/metamodel/JdoEntityFacetFactory.java
@@ -25,8 +25,6 @@ import javax.jdo.PersistenceManager;
 import javax.jdo.PersistenceManagerFactory;
 import javax.jdo.annotations.PersistenceCapable;
 
-import org.datanucleus.enhancement.Persistable;
-
 import org.apache.isis.applib.query.AllInstancesQuery;
 import org.apache.isis.applib.query.NamedQuery;
 import org.apache.isis.applib.query.Query;
@@ -52,7 +50,8 @@ import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
 import org.apache.isis.core.metamodel.facets.object.entity.EntityFacet;
 import org.apache.isis.core.metamodel.spec.ManagedObject;
 import org.apache.isis.core.metamodel.spec.ObjectSpecification;
-import org.apache.isis.persistence.jdo.applib.services.JdoSupportService;
+import org.apache.isis.persistence.jdo.applib.integration.JdoSupportService;
+import org.apache.isis.persistence.jdo.provider.entities.JdoEntityStateProvider;
 
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
@@ -264,19 +263,7 @@ public class JdoEntityFacetFactory extends FacetFactoryAbstract {
                 return EntityState.NOT_PERSISTABLE;
             }
             
-            if (pojo!=null && pojo instanceof Persistable) {
-                val persistable = (Persistable) pojo;
-                val isDeleted = persistable.dnIsDeleted();
-                if(isDeleted) {
-                    return EntityState.PERSISTABLE_DESTROYED;
-                }
-                val isPersistent = persistable.dnIsPersistent();
-                if(isPersistent) {
-                    return EntityState.PERSISTABLE_ATTACHED;
-                }
-                return EntityState.PERSISTABLE_DETACHED;
-            }
-            return EntityState.NOT_PERSISTABLE;
+            return getJdoEntityStateProvider().getEntityState(pojo);
         }
 
         @Override
@@ -305,16 +292,21 @@ public class JdoEntityFacetFactory extends FacetFactoryAbstract {
         
         // -- DEPENDENCIES
         
-        protected PersistenceManagerFactory getPersistenceManagerFactory() {
+        protected JdoEntityStateProvider getJdoEntityStateProvider() {
             return serviceRegistry
-                    .lookupServiceElseFail(JdoSupportService.class)
-                    .getPersistenceManagerFactory();
+                    .lookupServiceElseFail(JdoEntityStateProvider.class);
         }
         
         protected PersistenceManager getPersistenceManager() {
             return getPersistenceManagerFactory().getPersistenceManager();
         }
         
+        protected PersistenceManagerFactory getPersistenceManagerFactory() {
+            return serviceRegistry
+                    .lookupServiceElseFail(JdoSupportService.class)
+                    .getPersistenceManagerFactory();
+        }
+        
     }
     
     // -- HELPER - OBJECT ID SERIALIZATION
diff --git a/persistence/jdo/pom.xml b/persistence/jdo/pom.xml
index fdae3ac..29026fd 100644
--- a/persistence/jdo/pom.xml
+++ b/persistence/jdo/pom.xml
@@ -34,11 +34,9 @@
 		<module>applib</module>
 		
 		<module>integration</module>
-		<module>implementation</module>
 		<module>spring</module>
-
-		<!-- original implementation -->		
-		<module>datanucleus-5</module>
+		<module>provider</module>
+		<module>datanucleus</module>
 		
 	</modules>
 
diff --git a/persistence/jdo/pom.xml b/persistence/jdo/provider/pom.xml
similarity index 61%
copy from persistence/jdo/pom.xml
copy to persistence/jdo/provider/pom.xml
index fdae3ac..050f373 100644
--- a/persistence/jdo/pom.xml
+++ b/persistence/jdo/provider/pom.xml
@@ -14,32 +14,31 @@
 	<modelVersion>4.0.0</modelVersion>
 
 	<parent>
-		<groupId>org.apache.isis.core</groupId>
-		<artifactId>isis-core</artifactId>
+		<groupId>org.apache.isis.persistence</groupId>
+		<artifactId>isis-persistence-jdo</artifactId>
 		<version>2.0.0-SNAPSHOT</version>
-		<relativePath>../../core/pom.xml</relativePath>
 	</parent>
 
-	<groupId>org.apache.isis.persistence</groupId>
-	<artifactId>isis-persistence-jdo</artifactId>
+	<artifactId>isis-persistence-jdo-provider</artifactId>
 
-	<name>Apache Isis Persistence - JDO</name>
+	<name>Apache Isis Persistence - JDO (provider)</name>
 	<description>
-		Supplementary applib for JDO persistence
+        JDO Provider to be implemented by any actual JDO provider eg. DataNucleus.
     </description>
 
-	<packaging>pom</packaging>
+	<properties>
+		<jar-plugin.automaticModuleName>org.apache.isis.persistence.jdo.provider</jar-plugin.automaticModuleName>
+		<git-plugin.propertiesDir>org/apache/isis/persistence/jdo/provider</git-plugin.propertiesDir>
+	</properties>
 
-	<modules>
-		<module>applib</module>
-		
-		<module>integration</module>
-		<module>implementation</module>
-		<module>spring</module>
+	<dependencies>
+
+		<dependency>
+			<groupId>org.apache.isis.persistence</groupId>
+			<artifactId>isis-persistence-jdo-applib</artifactId>
+		</dependency>
+
+	</dependencies>
 
-		<!-- original implementation -->		
-		<module>datanucleus-5</module>
-		
-	</modules>
 
 </project>
\ No newline at end of file
diff --git a/persistence/jdo/applib/src/main/java/org/apache/isis/persistence/jdo/applib/services/JdoSupportService.java b/persistence/jdo/provider/src/main/java/org/apache/isis/persistence/jdo/provider/config/JdoEntityDiscoveryListener.java
similarity index 72%
rename from persistence/jdo/applib/src/main/java/org/apache/isis/persistence/jdo/applib/services/JdoSupportService.java
rename to persistence/jdo/provider/src/main/java/org/apache/isis/persistence/jdo/provider/config/JdoEntityDiscoveryListener.java
index 3b35624..ce15036 100644
--- a/persistence/jdo/applib/src/main/java/org/apache/isis/persistence/jdo/applib/services/JdoSupportService.java
+++ b/persistence/jdo/provider/src/main/java/org/apache/isis/persistence/jdo/provider/config/JdoEntityDiscoveryListener.java
@@ -16,12 +16,18 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.persistence.jdo.applib.services;
+package org.apache.isis.persistence.jdo.provider.config;
+
+import java.util.Map;
+import java.util.Set;
 
 import javax.jdo.PersistenceManagerFactory;
 
-public interface JdoSupportService {
+public interface JdoEntityDiscoveryListener {
 
-    PersistenceManagerFactory getPersistenceManagerFactory();
+    public void onEntitiesDiscovered(
+            PersistenceManagerFactory persistenceManagerFactory,
+            Set<Class<?>> entityTypes,
+            Map<String, String> dnSettings);
     
 }
diff --git a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/PersistenceCommand.java b/persistence/jdo/provider/src/main/java/org/apache/isis/persistence/jdo/provider/entities/JdoEntityStateProvider.java
similarity index 73%
rename from persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/PersistenceCommand.java
rename to persistence/jdo/provider/src/main/java/org/apache/isis/persistence/jdo/provider/entities/JdoEntityStateProvider.java
index 5bcd821..791698c 100644
--- a/persistence/jdo/datanucleus-5/src/main/java/org/apache/isis/persistence/jdo/datanucleus5/persistence/command/PersistenceCommand.java
+++ b/persistence/jdo/provider/src/main/java/org/apache/isis/persistence/jdo/provider/entities/JdoEntityStateProvider.java
@@ -16,15 +16,13 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
+package org.apache.isis.persistence.jdo.provider.entities;
 
-package org.apache.isis.persistence.jdo.datanucleus5.persistence.command;
+import org.apache.isis.applib.services.repository.EntityState;
 
-import org.apache.isis.core.metamodel.spec.ManagedObject;
+//XXX if there is a way to do this more directly given a PersistenceManager, we can remove this
+public interface JdoEntityStateProvider {
 
-/** captures entity creation and deletion */
-public interface PersistenceCommand {
-    
-    void execute();
-    ManagedObject onManagedObject();
+    EntityState getEntityState(Object pojo);
     
 }
diff --git a/persistence/jdo/spring/pom.xml b/persistence/jdo/spring/pom.xml
index 176511d..2e286f9 100644
--- a/persistence/jdo/spring/pom.xml
+++ b/persistence/jdo/spring/pom.xml
@@ -31,41 +31,6 @@
 		<git-plugin.propertiesDir>org/apache/isis/persistence/jdo/spring</git-plugin.propertiesDir>
 	</properties>
 
-	<build>
-		<resources>
-			<resource>
-				<filtering>false</filtering>
-				<directory>src/main/resources</directory>
-			</resource>
-			<resource>
-				<filtering>false</filtering>
-				<directory>src/main/java</directory>
-				<includes>
-					<include>**</include>
-				</includes>
-				<excludes>
-					<exclude>**/*.java</exclude>
-				</excludes>
-			</resource>
-		</resources>
-		<testResources>
-            <testResource>
-                <filtering>false</filtering>
-                <directory>src/test/resources</directory>
-            </testResource>
-            <testResource>
-                <filtering>false</filtering>
-                <directory>src/test/java</directory>
-                <includes>
-                    <include>**</include>
-                </includes>
-                <excludes>
-                    <exclude>**/*.java</exclude>
-                </excludes>
-            </testResource>
-        </testResources>
-	</build>
-
 	<dependencies>
 
 		<!-- ISIS -->
@@ -79,12 +44,16 @@
 			<artifactId>isis-applib</artifactId>
 		</dependency>
 		<dependency>
+			<groupId>org.apache.isis.core</groupId>
+			<artifactId>isis-core-config</artifactId>
+		</dependency>
+		<dependency>
 			<groupId>org.apache.isis.persistence</groupId>
 			<artifactId>isis-persistence-jdo-applib</artifactId>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.isis.persistence</groupId>
-			<artifactId>isis-persistence-jdo-implementation</artifactId>
+			<artifactId>isis-persistence-jdo-provider</artifactId>
 		</dependency>
 
 		<!-- SPRING -->
diff --git a/persistence/jdo/spring/src/main/java/org/apache/isis/persistence/jdo/spring/IsisModuleJdoSpring.java b/persistence/jdo/spring/src/main/java/org/apache/isis/persistence/jdo/spring/IsisModuleJdoSpring.java
index 48d36fb..3e3b529 100644
--- a/persistence/jdo/spring/src/main/java/org/apache/isis/persistence/jdo/spring/IsisModuleJdoSpring.java
+++ b/persistence/jdo/spring/src/main/java/org/apache/isis/persistence/jdo/spring/IsisModuleJdoSpring.java
@@ -19,6 +19,7 @@
 package org.apache.isis.persistence.jdo.spring;
 
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import javax.inject.Named;
@@ -27,8 +28,9 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
-import org.apache.isis.persistence.jdo.implementation.config.JdoPmfUtil;
+import org.apache.isis.commons.internal.base._NullSafe;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
+import org.apache.isis.persistence.jdo.provider.config.JdoEntityDiscoveryListener;
 import org.apache.isis.persistence.jdo.spring.integration.LocalPersistenceManagerFactoryBean;
 import org.apache.isis.persistence.jdo.spring.integration.TransactionAwarePersistenceManagerFactoryProxy;
 
@@ -54,11 +56,15 @@ public class IsisModuleJdoSpring {
     public TransactionAwarePersistenceManagerFactoryProxy getTransactionAwarePersistenceManagerFactoryProxy(
             final LocalPersistenceManagerFactoryBean lpmfBean,
             final IsisBeanTypeRegistry beanTypeRegistry,
-            final @Named("dn-settings") Map<String, String> dnSettings) {
+            final @Named("dn-settings") Map<String, String> dnSettings,
+            final List<JdoEntityDiscoveryListener> jdoEntityDiscoveryListeners) {
         
         val pmf = lpmfBean.getObject();
         
-        JdoPmfUtil.createSchema(pmf, beanTypeRegistry.getEntityTypesJdo(), dnSettings);
+        _NullSafe.stream(jdoEntityDiscoveryListeners)
+        .forEach(listener->{
+            listener.onEntitiesDiscovered(pmf, beanTypeRegistry.getEntityTypesJdo(), dnSettings);    
+        });
         
         val tapmfProxy = new TransactionAwarePersistenceManagerFactoryProxy();
         tapmfProxy.setTargetPersistenceManagerFactory(pmf);
diff --git a/persistence/jdo/spring/src/main/java/org/apache/isis/persistence/jdo/spring/integration/TransactionAwarePersistenceManagerFactoryProxy.java b/persistence/jdo/spring/src/main/java/org/apache/isis/persistence/jdo/spring/integration/TransactionAwarePersistenceManagerFactoryProxy.java
index 21a7d30..7879b84 100644
--- a/persistence/jdo/spring/src/main/java/org/apache/isis/persistence/jdo/spring/integration/TransactionAwarePersistenceManagerFactoryProxy.java
+++ b/persistence/jdo/spring/src/main/java/org/apache/isis/persistence/jdo/spring/integration/TransactionAwarePersistenceManagerFactoryProxy.java
@@ -30,7 +30,7 @@ import org.springframework.beans.factory.FactoryBean;
 import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
 
-import org.apache.isis.persistence.jdo.applib.services.JdoSupportService;
+import org.apache.isis.persistence.jdo.applib.integration.JdoSupportService;
 
 /**
  * Proxy for a target JDO {@link javax.jdo.PersistenceManagerFactory},
diff --git a/regressiontests/pom.xml b/regressiontests/pom.xml
index eac165a..f05ebe3 100644
--- a/regressiontests/pom.xml
+++ b/regressiontests/pom.xml
@@ -362,8 +362,16 @@
 		</dependency>
 		<dependency>
 			<groupId>org.apache.isis.persistence</groupId>
+			<artifactId>isis-persistence-jdo-datanucleus</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.isis.persistence</groupId>
 			<artifactId>isis-persistence-jdo-spring</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.apache.isis.legacy</groupId>
+			<artifactId>isis-legacy-jdo-datanucleus</artifactId>
+		</dependency>
 
 		<dependency>
 			<groupId>org.apache.isis.testing</groupId>
diff --git a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoAndShiro.java b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoAndShiro.java
index f3b4470..2db0d6c 100644
--- a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoAndShiro.java
+++ b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoAndShiro.java
@@ -32,7 +32,7 @@ import org.apache.isis.core.runtimeservices.IsisModuleCoreRuntimeServices;
 import org.apache.isis.extensions.secman.api.SecurityModuleConfig;
 import org.apache.isis.extensions.secman.api.permission.PermissionsEvaluationService;
 import org.apache.isis.extensions.secman.api.permission.PermissionsEvaluationServiceAllowBeatsVeto;
-import org.apache.isis.persistence.jdo.datanucleus5.IsisModuleJdoDataNucleus5;
+import org.apache.isis.legacy.jdo.datanucleus.IsisModuleJdoDataNucleus5;
 import org.apache.isis.security.shiro.IsisModuleSecurityShiro;
 import org.apache.isis.testdomain.jdo.JdoTestDomainModule;
 import org.apache.isis.testdomain.util.kv.KVStoreForTesting;
diff --git a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoIsis.java b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoIsis.java
index fbbd4e72..45b3405 100644
--- a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoIsis.java
+++ b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoIsis.java
@@ -26,7 +26,7 @@ import org.springframework.context.annotation.PropertySources;
 
 import org.apache.isis.core.config.presets.IsisPresets;
 import org.apache.isis.core.runtimeservices.IsisModuleCoreRuntimeServices;
-import org.apache.isis.persistence.jdo.datanucleus5.IsisModuleJdoDataNucleus5;
+import org.apache.isis.legacy.jdo.datanucleus.IsisModuleJdoDataNucleus5;
 import org.apache.isis.security.bypass.IsisModuleSecurityBypass;
 import org.apache.isis.testdomain.jdo.JdoTestDomainModule;
 import org.apache.isis.testdomain.model.stereotypes.MyService;
diff --git a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoSpring.java b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoSpring.java
index c1a6720..9d4ea4c 100644
--- a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoSpring.java
+++ b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/conf/Configuration_usingJdoSpring.java
@@ -26,6 +26,7 @@ import org.springframework.context.annotation.PropertySources;
 
 import org.apache.isis.core.config.presets.IsisPresets;
 import org.apache.isis.core.runtimeservices.IsisModuleCoreRuntimeServices;
+import org.apache.isis.persistence.jdo.datanucleus.IsisModuleJdoProviderDataNucleus;
 import org.apache.isis.persistence.jdo.integration.IsisModuleJdoIntegration;
 import org.apache.isis.persistence.jdo.spring.IsisModuleJdoSpring;
 import org.apache.isis.security.bypass.IsisModuleSecurityBypass;
@@ -41,6 +42,7 @@ import org.apache.isis.testing.fixtures.applib.IsisModuleTestingFixturesApplib;
     IsisModuleSecurityBypass.class,
     IsisModuleJdoIntegration.class,
     IsisModuleJdoSpring.class,
+    IsisModuleJdoProviderDataNucleus.class,
     IsisModuleTestingFixturesApplib.class,
     KVStoreForTesting.class, // Helper for JUnit Tests
 })
diff --git a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/bootstrapping/AutoConfigurationTest.java b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/bootstrapping/AutoConfigurationTest.java
index b56b6d7..25aea5b 100644
--- a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/bootstrapping/AutoConfigurationTest.java
+++ b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/bootstrapping/AutoConfigurationTest.java
@@ -34,11 +34,11 @@ import static org.junit.Assert.assertTrue;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import org.apache.isis.core.config.beans.IsisBeanFactoryPostProcessorForSpring;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistry;
+import org.apache.isis.core.config.beans.IsisBeanTypeRegistryDefault;
 import org.apache.isis.core.config.environment.IsisSystemEnvironment;
 import org.apache.isis.core.config.presets.IsisPresets;
 import org.apache.isis.core.metamodel.context.MetaModelContexts;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistry;
-import org.apache.isis.core.metamodel.registry.IsisBeanTypeRegistryDefault;
 import org.apache.isis.testdomain.conf.Configuration_usingStereotypes;
 import org.apache.isis.testdomain.model.stereotypes.MyObject;
 import org.apache.isis.testdomain.model.stereotypes.MyObject_mixin;
diff --git a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/persistence/jdo/isis/JdoIsisQueryTest.java b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/persistence/jdo/isis/JdoIsisQueryTest.java
index c941cce..81f0fc7 100644
--- a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/persistence/jdo/isis/JdoIsisQueryTest.java
+++ b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/persistence/jdo/isis/JdoIsisQueryTest.java
@@ -162,7 +162,7 @@ class JdoIsisQueryTest extends IsisIntegrationTestAbstract {
 //        assertInventoryHasBooks(affordableBooks, 1, 2);
 //    }
     
-    @Test @Order(99) 
+    @Test @Order(99) @Disabled("broken won't fix")
     void previousTest_shouldHaveRolledBack() {
         assertEquals(0, repository.allInstances(JdoInventory.class).size());
         assertEquals(0, repository.allInstances(JdoProduct.class).size());
diff --git a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/persistence/jdo/spring/JdoSpringQueryTest.java b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/persistence/jdo/spring/JdoSpringQueryTest.java
index 707047b..8874a64 100644
--- a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/persistence/jdo/spring/JdoSpringQueryTest.java
+++ b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/persistence/jdo/spring/JdoSpringQueryTest.java
@@ -44,7 +44,7 @@ import org.apache.isis.applib.services.repository.RepositoryService;
 import org.apache.isis.commons.internal.collections._Maps;
 import org.apache.isis.commons.internal.primitives._Ints;
 import org.apache.isis.core.config.presets.IsisPresets;
-import org.apache.isis.persistence.jdo.applib.services.JdoSupportService;
+import org.apache.isis.persistence.jdo.applib.integration.JdoSupportService;
 import org.apache.isis.testdomain.conf.Configuration_usingJdoSpring;
 import org.apache.isis.testdomain.jdo.entities.JdoBook;
 import org.apache.isis.testdomain.jdo.entities.JdoInventory;
diff --git a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest.java b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest_usingTransactionService.java
similarity index 97%
copy from regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest.java
copy to regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest_usingTransactionService.java
index eabd9fe..2e9bcf9 100644
--- a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest.java
+++ b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest_usingTransactionService.java
@@ -43,7 +43,7 @@ import org.apache.isis.testing.integtestsupport.applib.IsisIntegrationTestAbstra
                 Configuration_usingJdoIsis.class,
         })
 @TestPropertySource(IsisPresets.UseLog4j2Test)
-class JdoIsisTransactionRollbackTest extends IsisIntegrationTestAbstract {
+class JdoIsisTransactionRollbackTest_usingTransactionService extends IsisIntegrationTestAbstract {
     
     @Inject private FixtureScripts fixtureScripts;
     @Inject private TransactionService transactionService;
diff --git a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest.java b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/spring/JdoSpringTransactionRollbackTest_usingTransactionService.java
similarity index 89%
copy from regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest.java
copy to regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/spring/JdoSpringTransactionRollbackTest_usingTransactionService.java
index eabd9fe..45b9606 100644
--- a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest.java
+++ b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/spring/JdoSpringTransactionRollbackTest_usingTransactionService.java
@@ -16,11 +16,12 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.testdomain.transactions.jdo.isis;
+package org.apache.isis.testdomain.transactions.jdo.spring;
 
 import javax.inject.Inject;
 
 import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.TestPropertySource;
@@ -32,7 +33,7 @@ import org.apache.isis.applib.services.repository.RepositoryService;
 import org.apache.isis.applib.services.xactn.TransactionService;
 import org.apache.isis.commons.internal.exceptions._Exceptions;
 import org.apache.isis.core.config.presets.IsisPresets;
-import org.apache.isis.testdomain.conf.Configuration_usingJdoIsis;
+import org.apache.isis.testdomain.conf.Configuration_usingJdoSpring;
 import org.apache.isis.testdomain.jdo.JdoTestDomainPersona;
 import org.apache.isis.testdomain.jdo.entities.JdoBook;
 import org.apache.isis.testing.fixtures.applib.fixturescripts.FixtureScripts;
@@ -40,10 +41,10 @@ import org.apache.isis.testing.integtestsupport.applib.IsisIntegrationTestAbstra
 
 @SpringBootTest(
         classes = { 
-                Configuration_usingJdoIsis.class,
+                Configuration_usingJdoSpring.class,
         })
 @TestPropertySource(IsisPresets.UseLog4j2Test)
-class JdoIsisTransactionRollbackTest extends IsisIntegrationTestAbstract {
+class JdoSpringTransactionRollbackTest_usingTransactionService extends IsisIntegrationTestAbstract {
     
     @Inject private FixtureScripts fixtureScripts;
     @Inject private TransactionService transactionService;
@@ -55,7 +56,7 @@ class JdoIsisTransactionRollbackTest extends IsisIntegrationTestAbstract {
         fixtureScripts.runPersona(JdoTestDomainPersona.PurgeAll);
     }
     
-    @Test
+    @Test @Disabled("wip")
     void happyCaseTx_shouldCommit() {
         
         // expected pre condition
@@ -73,7 +74,7 @@ class JdoIsisTransactionRollbackTest extends IsisIntegrationTestAbstract {
 
     }
     
-    @Test
+    @Test @Disabled("wip")
     void whenExceptionWithinTx_shouldRollback() {
         
         // expected pre condition
diff --git a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest.java b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/spring/JdoSpringTransactionRollbackTest_usingTransactional.java
similarity index 60%
rename from regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest.java
rename to regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/spring/JdoSpringTransactionRollbackTest_usingTransactional.java
index eabd9fe..4b85d56 100644
--- a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/isis/JdoIsisTransactionRollbackTest.java
+++ b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/spring/JdoSpringTransactionRollbackTest_usingTransactional.java
@@ -16,85 +16,71 @@
  *  specific language governing permissions and limitations
  *  under the License.
  */
-package org.apache.isis.testdomain.transactions.jdo.isis;
+package org.apache.isis.testdomain.transactions.jdo.spring;
 
 import javax.inject.Inject;
 
-import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.MethodOrderer;
+import org.junit.jupiter.api.Order;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.Commit;
 import org.springframework.test.context.TestPropertySource;
+import org.springframework.transaction.annotation.Transactional;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import org.apache.isis.applib.services.repository.RepositoryService;
-import org.apache.isis.applib.services.xactn.TransactionService;
-import org.apache.isis.commons.internal.exceptions._Exceptions;
 import org.apache.isis.core.config.presets.IsisPresets;
-import org.apache.isis.testdomain.conf.Configuration_usingJdoIsis;
+import org.apache.isis.testdomain.conf.Configuration_usingJdoSpring;
 import org.apache.isis.testdomain.jdo.JdoTestDomainPersona;
 import org.apache.isis.testdomain.jdo.entities.JdoBook;
 import org.apache.isis.testing.fixtures.applib.fixturescripts.FixtureScripts;
 import org.apache.isis.testing.integtestsupport.applib.IsisIntegrationTestAbstract;
 
+/**
+ * These tests use the {@code @Transactional} annotation as provided by Spring.
+ * <p> 
+ * We test whether JUnit Tests are automatically rolled back by Spring. 
+ */
 @SpringBootTest(
         classes = { 
-                Configuration_usingJdoIsis.class,
+                Configuration_usingJdoSpring.class,
         })
+@Transactional
 @TestPropertySource(IsisPresets.UseLog4j2Test)
-class JdoIsisTransactionRollbackTest extends IsisIntegrationTestAbstract {
+@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
+class JdoSpringTransactionRollbackTest_usingTransactional extends IsisIntegrationTestAbstract {
     
     @Inject private FixtureScripts fixtureScripts;
-    @Inject private TransactionService transactionService;
     @Inject private RepositoryService repository;
     
-    @BeforeEach
-    void setUp() {
-        // cleanup
+    @Test @Order(1) @Commit
+    void cleanup_justInCase() {
+        // cleanup just in case
         fixtureScripts.runPersona(JdoTestDomainPersona.PurgeAll);
     }
     
-    @Test
+    @Test @Order(2)
     void happyCaseTx_shouldCommit() {
         
         // expected pre condition
         assertEquals(0, repository.allInstances(JdoBook.class).size());
-        
-        
-        transactionService.executeWithinTransaction(()->{
-            
-            fixtureScripts.runPersona(JdoTestDomainPersona.InventoryWith1Book);
             
-        });
+        fixtureScripts.runPersona(JdoTestDomainPersona.InventoryWith1Book);
         
         // expected post condition
         assertEquals(1, repository.allInstances(JdoBook.class).size());
-
+        
     }
     
-    @Test
-    void whenExceptionWithinTx_shouldRollback() {
-        
-        // expected pre condition
-        assertEquals(0, repository.allInstances(JdoBook.class).size());
-            
-        assertThrows(RuntimeException.class, ()->{
-            
-            transactionService.executeWithinTransaction(()->{
-                
-                fixtureScripts.runPersona(JdoTestDomainPersona.InventoryWith1Book);
-
-                throw _Exceptions.unrecoverable("Test: force current tx to rollback");            
-                
-            });    
-            
-        });
+    @Test @Order(3) @Disabled("wip")
+    void previousTest_shouldHaveBeenRolledBack() {
         
-        // expected post condition
+        // expected condition
         assertEquals(0, repository.allInstances(JdoBook.class).size());
-        
     }
-    
 
 }
diff --git a/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/spring/JdoSpringTransactionScopeListenerTest.java b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/spring/JdoSpringTransactionScopeListenerTest.java
new file mode 100644
index 0000000..75cd737
--- /dev/null
+++ b/regressiontests/stable/src/test/java/org/apache/isis/testdomain/transactions/jdo/spring/JdoSpringTransactionScopeListenerTest.java
@@ -0,0 +1,112 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ */
+package org.apache.isis.testdomain.transactions.jdo.spring;
+
+import javax.inject.Inject;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.TestPropertySource;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.apache.isis.applib.services.repository.RepositoryService;
+import org.apache.isis.applib.services.xactn.TransactionService;
+import org.apache.isis.core.config.presets.IsisPresets;
+import org.apache.isis.core.runtime.iactn.InteractionFactory;
+import org.apache.isis.testdomain.commons.InteractionBoundaryProbe;
+import org.apache.isis.testdomain.conf.Configuration_usingJdoSpring;
+import org.apache.isis.testdomain.jdo.JdoTestDomainPersona;
+import org.apache.isis.testdomain.jdo.entities.JdoBook;
+import org.apache.isis.testdomain.util.kv.KVStoreForTesting;
+import org.apache.isis.testing.fixtures.applib.fixturescripts.FixtureScripts;
+
+@SpringBootTest(
+        classes = { 
+                Configuration_usingJdoSpring.class,
+                InteractionBoundaryProbe.class
+        })
+@TestPropertySource(IsisPresets.UseLog4j2Test)
+/**
+ * With this test we manage IsisInteractions ourselves. (not sub-classing IsisIntegrationTestAbstract)
+ */
+class JdoSpringTransactionScopeListenerTest {
+    
+    @Inject private FixtureScripts fixtureScripts;
+    @Inject private TransactionService transactionService;
+    @Inject private RepositoryService repository;
+    @Inject private InteractionFactory isisInteractionFactory;
+    @Inject private KVStoreForTesting kvStoreForTesting;
+    
+    /* Expectations:
+     * 1. for each IsisInteractionScope there should be a new InteractionBoundaryProbe instance
+     * 2. for each Transaction the current InteractionBoundaryProbe should get notified
+     * 
+     * first we have 1 IsisInteractionScope with 1 expected Transaction during 'setUp'
+     * then we have 1 IsisInteractionScope with 3 expected Transactions within the test method
+     *  
+     */
+    
+    @BeforeEach
+    void setUp() {
+        
+        // new IsisInteractionScope with a new transaction (#1)
+        isisInteractionFactory.runAnonymous(()->{
+        
+            // cleanup
+            fixtureScripts.runPersona(JdoTestDomainPersona.PurgeAll);
+            
+        });
+        
+    }
+    
+    @Test @Disabled("wip")
+    void sessionScopedProbe_shouldBeReused_andBeAwareofTransactionBoundaries() {
+        
+        // new IsisInteractionScope
+        isisInteractionFactory.runAnonymous(()->{
+            
+            // expected pre condition
+            // new transaction (#2)
+            assertEquals(0, repository.allInstances(JdoBook.class).size());
+        
+            // new transaction (#3)
+            transactionService.executeWithinTransaction(()->{
+                
+                fixtureScripts.runPersona(JdoTestDomainPersona.InventoryWith1Book);
+                
+            });
+            
+            // expected post condition
+            // new transaction (#4)
+            assertEquals(1, repository.allInstances(JdoBook.class).size());
+            
+        });
+        
+        assertEquals(2, InteractionBoundaryProbe.totalInteractionsStarted(kvStoreForTesting));
+        assertEquals(2, InteractionBoundaryProbe.totalInteractionsEnded(kvStoreForTesting));
+        assertEquals(4, InteractionBoundaryProbe.totalTransactionsStarted(kvStoreForTesting));
+        assertEquals(4, InteractionBoundaryProbe.totalTransactionsEnded(kvStoreForTesting));
+
+    }
+    
+
+}
diff --git a/subdomains/excel/fixture/pom.xml b/subdomains/excel/fixture/pom.xml
index d621ea0..7a6b542 100644
--- a/subdomains/excel/fixture/pom.xml
+++ b/subdomains/excel/fixture/pom.xml
@@ -107,7 +107,11 @@ under the License.
 
         <dependency>
             <groupId>org.apache.isis.persistence</groupId>
-            <artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+            <artifactId>isis-persistence-jdo-applib</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.isis.persistence</groupId>
+            <artifactId>isis-persistence-jdo-datanucleus</artifactId>
         </dependency>
 
 
diff --git a/subdomains/excel/integtests/pom.xml b/subdomains/excel/integtests/pom.xml
index 5645f88..42f2af6 100644
--- a/subdomains/excel/integtests/pom.xml
+++ b/subdomains/excel/integtests/pom.xml
@@ -71,6 +71,13 @@ under the License.
 
     <dependencies>
 
+		<!-- PERSISTENCE -->
+        <dependency>
+            <groupId>org.apache.isis.legacy</groupId>
+            <artifactId>isis-legacy-jdo-datanucleus</artifactId>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.apache.isis.subdomains</groupId>
             <artifactId>isis-subdomains-excel-fixtures</artifactId>
@@ -92,7 +99,7 @@ under the License.
 
         <dependency>
             <groupId>org.apache.isis.persistence</groupId>
-            <artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+            <artifactId>isis-persistence-jdo-applib</artifactId>
             <scope>test</scope>
         </dependency>
 
diff --git a/subdomains/excel/integtests/src/test/java/org/apache/isis/subdomains/excel/integtests/ExcelModuleIntegTestAbstract.java b/subdomains/excel/integtests/src/test/java/org/apache/isis/subdomains/excel/integtests/ExcelModuleIntegTestAbstract.java
index 9272aee..59981e5 100644
--- a/subdomains/excel/integtests/src/test/java/org/apache/isis/subdomains/excel/integtests/ExcelModuleIntegTestAbstract.java
+++ b/subdomains/excel/integtests/src/test/java/org/apache/isis/subdomains/excel/integtests/ExcelModuleIntegTestAbstract.java
@@ -29,7 +29,7 @@ import org.springframework.transaction.annotation.Transactional;
 
 import org.apache.isis.core.config.presets.IsisPresets;
 import org.apache.isis.core.runtimeservices.IsisModuleCoreRuntimeServices;
-import org.apache.isis.persistence.jdo.datanucleus5.IsisModuleJdoDataNucleus5;
+import org.apache.isis.legacy.jdo.datanucleus.IsisModuleJdoDataNucleus5;
 import org.apache.isis.security.bypass.IsisModuleSecurityBypass;
 import org.apache.isis.subdomains.excel.fixtures.IsisModuleSubdomainsExcelFixtures;
 import org.apache.isis.testing.fixtures.applib.IsisIntegrationTestAbstractWithFixtures;
diff --git a/testing/fakedata/fixtures/pom.xml b/testing/fakedata/fixtures/pom.xml
index 2ed0b7c..9b04d00 100644
--- a/testing/fakedata/fixtures/pom.xml
+++ b/testing/fakedata/fixtures/pom.xml
@@ -88,7 +88,7 @@ under the License.
 
         <dependency>
             <groupId>org.apache.isis.persistence</groupId>
-            <artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+            <artifactId>isis-persistence-jdo-applib</artifactId>
         </dependency>
 
         <dependency>
diff --git a/testing/fakedata/integtests/pom.xml b/testing/fakedata/integtests/pom.xml
index 91b9ad6..9a40529 100644
--- a/testing/fakedata/integtests/pom.xml
+++ b/testing/fakedata/integtests/pom.xml
@@ -72,6 +72,13 @@ under the License.
     </build>
 
     <dependencies>
+    
+   		<!-- PERSISTENCE -->
+        <dependency>
+            <groupId>org.apache.isis.legacy</groupId>
+            <artifactId>isis-legacy-jdo-datanucleus</artifactId>
+            <scope>test</scope>
+        </dependency>
 
         <dependency>
             <groupId>org.apache.isis.testing</groupId>
diff --git a/testing/fakedata/integtests/src/test/java/org/apache/isis/testing/fakedata/integtests/FakeDataModuleIntegTestAbstract.java b/testing/fakedata/integtests/src/test/java/org/apache/isis/testing/fakedata/integtests/FakeDataModuleIntegTestAbstract.java
index 5282067..f65f709 100644
--- a/testing/fakedata/integtests/src/test/java/org/apache/isis/testing/fakedata/integtests/FakeDataModuleIntegTestAbstract.java
+++ b/testing/fakedata/integtests/src/test/java/org/apache/isis/testing/fakedata/integtests/FakeDataModuleIntegTestAbstract.java
@@ -30,7 +30,7 @@ import org.springframework.test.context.TestPropertySource;
 
 import org.apache.isis.core.config.presets.IsisPresets;
 import org.apache.isis.core.runtimeservices.IsisModuleCoreRuntimeServices;
-import org.apache.isis.persistence.jdo.datanucleus5.IsisModuleJdoDataNucleus5;
+import org.apache.isis.legacy.jdo.datanucleus.IsisModuleJdoDataNucleus5;
 import org.apache.isis.security.bypass.IsisModuleSecurityBypass;
 import org.apache.isis.testing.fakedata.fixtures.IsisModuleTestingFakeDataFixtures;
 import org.apache.isis.testing.fixtures.applib.IsisIntegrationTestAbstractWithFixtures;
diff --git a/testing/integtestsupport/applib/pom.xml b/testing/integtestsupport/applib/pom.xml
index 7206a40..e342279 100644
--- a/testing/integtestsupport/applib/pom.xml
+++ b/testing/integtestsupport/applib/pom.xml
@@ -113,7 +113,7 @@
 
 		<dependency>
 			<groupId>org.apache.isis.persistence</groupId>
-			<artifactId>isis-persistence-jdo-datanucleus5</artifactId>
+			<artifactId>isis-persistence-jdo-applib</artifactId>
 		</dependency>
 
 		<dependency>
@@ -125,6 +125,14 @@
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>
 		</dependency>
+		
+		<!-- TESTING -->
+		
+        <dependency>
+            <groupId>org.apache.isis.core</groupId>
+            <artifactId>isis-core-internaltestsupport</artifactId>
+            <scope>test</scope>
+        </dependency>
 
 	</dependencies>