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Posted to commits@isis.apache.org by ah...@apache.org on 2021/05/03 13:29:58 UTC

[isis] branch master updated: ISIS-2641: let IsisBeanTypeClassififer also handle non-concrete types

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 e6b062f  ISIS-2641: let IsisBeanTypeClassififer also handle non-concrete types
e6b062f is described below

commit e6b062f0f04a8c5f9eb3498967c76d635816fbbb
Author: Andi Huber <ah...@apache.org>
AuthorDate: Mon May 3 15:29:43 2021 +0200

    ISIS-2641: let IsisBeanTypeClassififer also handle non-concrete types
---
 .../core/config/beans/IsisBeanTypeClassifier.java   |  5 +++--
 .../config/beans/IsisBeanTypeClassifierImpl.java    | 12 ++++++++++++
 .../specloader/SpecificationLoaderDefault.java      | 21 +--------------------
 .../DomainModelTest_usingGoodDomain.java            | 19 +++++++++++++++----
 .../testdomain/model/good/ElementTypeInterface.java | 18 ++++++++++++++++++
 .../testdomain/model/good/ProperElementTypeVm.java  |  5 ++++-
 6 files changed, 53 insertions(+), 27 deletions(-)

diff --git a/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeClassifier.java b/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeClassifier.java
index c7a5e38..61ec6a3 100644
--- a/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeClassifier.java
+++ b/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeClassifier.java
@@ -38,8 +38,9 @@ public interface IsisBeanTypeClassifier {
     /**
      * Returns the bean classification for given {@code type}.
      * 
-     * @apiNote we assume, that the {@code type} is not a primitive, 
-     * not an interface and not an abstract type   
+     * @apiNote Initially used to collect all concrete types that are considered by Spring
+     * for type inspection, but later used by the {@code SpecificationLoader} to also
+     * classify non-concrete types (interfaces and abstract classes).  
      */
     BeanClassification classify(Class<?> type);
 
diff --git a/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeClassifierImpl.java b/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeClassifierImpl.java
index 770e732..acf91ff 100644
--- a/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeClassifierImpl.java
+++ b/core/config/src/main/java/org/apache/isis/core/config/beans/IsisBeanTypeClassifierImpl.java
@@ -19,6 +19,7 @@
 package org.apache.isis.core.config.beans;
 
 import java.io.Serializable;
+import java.lang.reflect.Modifier;
 import java.util.Collection;
 import java.util.Locale;
 
@@ -54,6 +55,10 @@ implements IsisBeanTypeClassifier {
     @Override
     public BeanClassification classify(final @NonNull Class<?> type) {
 
+        if(type.isPrimitive()) {
+            return BeanClassification.delegated(BeanSort.VALUE);
+        }
+        
         if(findNearestAnnotation(type, Vetoed.class).isPresent()
                 || findNearestAnnotation(type, Programmatic.class).isPresent()) {
             return BeanClassification.selfManaged(BeanSort.VETOED); // reject
@@ -143,6 +148,13 @@ implements IsisBeanTypeClassifier {
             return BeanClassification.selfManaged(BeanSort.COLLECTION);
         }
 
+        if(type.isInterface()
+                // modifier predicate must be called after testing for non-scalar type above, 
+                // otherwise we'd get false positives
+                || Modifier.isAbstract(type.getModifiers())) {
+            return BeanClassification.delegated(BeanSort.ABSTRACT);
+        }
+        
         if(Serializable.class.isAssignableFrom(type)) {
             return BeanClassification.delegated(BeanSort.VALUE);
         }
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 c80d893..a31e9f1 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
@@ -18,9 +18,7 @@
  */
 package org.apache.isis.core.metamodel.specloader;
 
-import java.lang.reflect.Modifier;
 import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.Optional;
 import java.util.concurrent.BlockingQueue;
@@ -380,24 +378,7 @@ public class SpecificationLoaderDefault implements SpecificationLoader {
                 __->isisBeanTypeRegistry
                     .lookupIntrospectableType(type)
                     .map(IsisBeanMetaData::getBeanSort)
-                    .orElseGet(()->{
-                        // the isisBeanTypeClassifier is not meant to handle 
-                        // - primitive types
-                        // - non-concrete types
-                        if(type.isPrimitive()) {
-                            return BeanSort.VALUE;
-                        }
-                        if(Collection.class.isAssignableFrom(type)
-                                || Can.class.isAssignableFrom(type)
-                                || type.isArray()) {
-                            return BeanSort.COLLECTION;
-                        }
-                        if(type.isInterface()
-                                || Modifier.isAbstract(type.getModifiers())) {
-                            return BeanSort.ABSTRACT;
-                        }
-                        return isisBeanTypeClassifier.classify(type).getBeanSort();
-                    }), 
+                    .orElseGet(()->isisBeanTypeClassifier.classify(type).getBeanSort()), 
                 upTo);
     }
 
diff --git a/regressiontests/stable-domainmodel/src/test/java/org/apache/isis/testdomain/domainmodel/DomainModelTest_usingGoodDomain.java b/regressiontests/stable-domainmodel/src/test/java/org/apache/isis/testdomain/domainmodel/DomainModelTest_usingGoodDomain.java
index 3734dab..2f7dcd2 100644
--- a/regressiontests/stable-domainmodel/src/test/java/org/apache/isis/testdomain/domainmodel/DomainModelTest_usingGoodDomain.java
+++ b/regressiontests/stable-domainmodel/src/test/java/org/apache/isis/testdomain/domainmodel/DomainModelTest_usingGoodDomain.java
@@ -35,6 +35,7 @@ import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import org.apache.isis.applib.services.jaxb.JaxbService;
+import org.apache.isis.applib.services.metamodel.BeanSort;
 import org.apache.isis.applib.services.metamodel.Config;
 import org.apache.isis.applib.services.metamodel.MetaModelService;
 import org.apache.isis.applib.services.registry.ServiceRegistry;
@@ -50,6 +51,8 @@ import org.apache.isis.core.metamodel.specloader.specimpl.IntrospectionState;
 import org.apache.isis.schema.metamodel.v2.DomainClassDto;
 import org.apache.isis.testdomain.conf.Configuration_headless;
 import org.apache.isis.testdomain.model.good.Configuration_usingValidDomain;
+import org.apache.isis.testdomain.model.good.ElementTypeConcrete;
+import org.apache.isis.testdomain.model.good.ElementTypeInterface;
 import org.apache.isis.testdomain.model.good.ProperElementTypeVm;
 import org.apache.isis.testdomain.model.good.ProperMemberInheritanceInterface;
 import org.apache.isis.testdomain.model.good.ProperMemberInheritance_usingAbstract;
@@ -280,12 +283,20 @@ class DomainModelTest_usingGoodDomain {
         val vmSpec = specificationLoader.loadSpecification(ProperElementTypeVm.class,
                 IntrospectionState.FULLY_INTROSPECTED);
         
-        val coll = vmSpec.getCollectionElseFail("myColl");
-        val collSpec = coll.getSpecification();
+        val concreteColl = vmSpec.getCollectionElseFail("concreteColl");
+        val concreteCollSpec = concreteColl.getSpecification();
         
-        val elementTypeSpec = collSpec.getElementSpecification().orElse(null);
-        // TODO add actual checks
+        assertEquals(ElementTypeConcrete.class, concreteCollSpec.getCorrespondingClass());
+        assertEquals(BeanSort.VIEW_MODEL, concreteCollSpec.getBeanSort());
         
+        val interfaceColl = vmSpec.getCollectionElseFail("interfaceColl");
+        val interfaceCollSpec = interfaceColl.getSpecification();
+        
+        //FIXME yet test fails
+        //assertEquals(ElementTypeInterface.class, interfaceCollSpec.getCorrespondingClass());
+        //assertEquals(BeanSort.ABSTRACT, interfaceCollSpec.getBeanSort());
+        
+        // TODO for the abstract case, we also want to see any members and the title-facet 
     }
 
     // -- HELPER
diff --git a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/model/good/ElementTypeInterface.java b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/model/good/ElementTypeInterface.java
index 51490c5..12a059a 100644
--- a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/model/good/ElementTypeInterface.java
+++ b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/model/good/ElementTypeInterface.java
@@ -1,3 +1,21 @@
+/*
+ *  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.model.good;
 
 import org.apache.isis.applib.annotation.DomainObject;
diff --git a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/model/good/ProperElementTypeVm.java b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/model/good/ProperElementTypeVm.java
index 52f4d9a..b92621c 100644
--- a/regressiontests/stable/src/main/java/org/apache/isis/testdomain/model/good/ProperElementTypeVm.java
+++ b/regressiontests/stable/src/main/java/org/apache/isis/testdomain/model/good/ProperElementTypeVm.java
@@ -31,6 +31,9 @@ import lombok.Setter;
 public class ProperElementTypeVm {
 
     @Collection
-    @Getter @Setter private List<? extends ElementTypeInterface> myColl;
+    @Getter @Setter private List<? extends ElementTypeInterface> interfaceColl;
+    
+    @Collection
+    @Getter @Setter private List<ElementTypeConcrete> concreteColl;
     
 }