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Posted to commits@brooklyn.apache.org by he...@apache.org on 2015/11/17 23:51:17 UTC

[02/14] incubator-brooklyn git commit: More conversion to new-style TypePlanTransformer, and fixes

More conversion to new-style TypePlanTransformer, and fixes


Project: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/commit/c712ad5e
Tree: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/tree/c712ad5e
Diff: http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/diff/c712ad5e

Branch: refs/heads/master
Commit: c712ad5e6ed0b0cc6ea0a4e501091fc0dd77c9d9
Parents: e480402
Author: Alex Heneveld <al...@cloudsoftcorp.com>
Authored: Mon Nov 9 21:42:02 2015 +0000
Committer: Alex Heneveld <al...@cloudsoftcorp.com>
Committed: Tue Nov 10 17:13:02 2015 +0000

----------------------------------------------------------------------
 .../catalog/internal/BasicBrooklynCatalog.java  |   2 +-
 .../core/typereg/BasicBrooklynTypeRegistry.java |   2 +-
 .../typereg/RegisteredTypeLoadingContexts.java  |   6 +-
 .../brooklyn/core/typereg/RegisteredTypes.java  |  18 ++-
 .../policy/basic/AbstractEntityAdjunctTest.java |  52 ---------
 .../internal/SpecParameterInMetaTest.java       |  65 +++++++++--
 .../internal/StaticTypePlanTransformer.java     | 115 +++++++++++++++++++
 .../catalog/internal/TestToSpecTransformer.java |  82 ++++++-------
 .../core/objs/AbstractEntityAdjunctTest.java    |  52 +++++++++
 ...che.brooklyn.core.plan.PlanToSpecTransformer |  19 ---
 .../brooklyn/spi/creation/CampCatalogUtils.java |   2 +-
 .../brooklyn/spi/creation/CampResolver.java     |  17 +--
 .../spi/creation/CampToSpecTransformer.java     |   2 +-
 .../spi/creation/CampTypePlanTransformer.java   |   4 +
 .../service/UrlServiceSpecResolver.java         |   2 +-
 .../camp/brooklyn/LocationsYamlTest.java        |   4 +-
 .../brooklyn/catalog/CatalogParametersTest.java |  49 +++++++-
 .../brooklyn/test/lite/CampYamlLiteTest.java    |   2 -
 .../rest/resources/ApplicationResource.java     |   9 +-
 19 files changed, 352 insertions(+), 152 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/main/java/org/apache/brooklyn/core/catalog/internal/BasicBrooklynCatalog.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/org/apache/brooklyn/core/catalog/internal/BasicBrooklynCatalog.java b/core/src/main/java/org/apache/brooklyn/core/catalog/internal/BasicBrooklynCatalog.java
index 75c727a..1b5d381 100644
--- a/core/src/main/java/org/apache/brooklyn/core/catalog/internal/BasicBrooklynCatalog.java
+++ b/core/src/main/java/org/apache/brooklyn/core/catalog/internal/BasicBrooklynCatalog.java
@@ -301,7 +301,7 @@ public class BasicBrooklynCatalog implements BrooklynCatalog {
         if (loadedItem == null) throw new RuntimeException(item+" not in catalog; cannot create spec");
         if (loadedItem.getSpecType()==null) return null;
 
-        SpecT spec = internalCreateSpecLegacy(mgmt, loadedItem, MutableSet.<String>of(), false);
+        SpecT spec = internalCreateSpecLegacy(mgmt, loadedItem, MutableSet.<String>of(), true);
         if (spec != null) {
             return spec;
         }

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/main/java/org/apache/brooklyn/core/typereg/BasicBrooklynTypeRegistry.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/org/apache/brooklyn/core/typereg/BasicBrooklynTypeRegistry.java b/core/src/main/java/org/apache/brooklyn/core/typereg/BasicBrooklynTypeRegistry.java
index b5c85c1..1bc4a9f 100644
--- a/core/src/main/java/org/apache/brooklyn/core/typereg/BasicBrooklynTypeRegistry.java
+++ b/core/src/main/java/org/apache/brooklyn/core/typereg/BasicBrooklynTypeRegistry.java
@@ -148,7 +148,7 @@ public class BasicBrooklynTypeRegistry implements BrooklynTypeRegistry {
                 throw new IllegalStateException("should have failed getting type resolution for "+type);
             } catch (Exception e0) {
                 // prefer older exception, until the new transformer is the primary pathway
-                throw Exceptions.create("Unable to instantiate "+type, MutableList.of(e, e0));
+                throw Exceptions.create("Unable to instantiate "+type, MutableList.of(e0, e));
             }
         }
     }

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypeLoadingContexts.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypeLoadingContexts.java b/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypeLoadingContexts.java
index 22ea294..594bdfd 100644
--- a/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypeLoadingContexts.java
+++ b/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypeLoadingContexts.java
@@ -134,8 +134,9 @@ public class RegisteredTypeLoadingContexts {
         BasicRegisteredTypeLoadingContext constraint = new BasicRegisteredTypeLoadingContext(source);
         if (source==null) source = constraint;
         if (superType==null) return source;
+        constraint.expectedSuperType = superType;
         if (source.getExpectedJavaSuperType()==null || source.getExpectedJavaSuperType().isAssignableFrom( superType )) {
-            // the constraint was weaker than present; return the new constraint
+            // the old constraint was weaker than present; return the new constraint
             return constraint;
         }
         if (superType.isAssignableFrom( source.getExpectedJavaSuperType() )) {
@@ -153,8 +154,9 @@ public class RegisteredTypeLoadingContexts {
         BasicRegisteredTypeLoadingContext constraint = new BasicRegisteredTypeLoadingContext(source);
         if (source==null) source = constraint;
         if (superType==null) return source;
+        constraint.expectedSuperType = superType;
         if (source.getExpectedJavaSuperType()==null || source.getExpectedJavaSuperType().isAssignableFrom( superType )) {
-            // the constraint was weaker than present; return the new constraint
+            // the old constraint was weaker than present; return the new constraint
             return constraint;
         }
         if (superType.isAssignableFrom( source.getExpectedJavaSuperType() )) {

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypes.java
----------------------------------------------------------------------
diff --git a/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypes.java b/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypes.java
index a4a0460..1e48e46 100644
--- a/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypes.java
+++ b/core/src/main/java/org/apache/brooklyn/core/typereg/RegisteredTypes.java
@@ -21,6 +21,7 @@ package org.apache.brooklyn.core.typereg;
 import java.lang.reflect.Method;
 import java.util.Iterator;
 import java.util.Map;
+import java.util.Set;
 
 import javax.annotation.Nullable;
 
@@ -112,11 +113,11 @@ public class RegisteredTypes {
      * @param mgmt */
     @Beta
     // TODO should this be on the AbstractTypePlanTransformer ?
-    public static Class<?> loadActualJavaType(String javaTypeName, ManagementContext mgmt, RegisteredType type, RegisteredTypeLoadingContext constraint) throws Exception {
+    public static Class<?> loadActualJavaType(String javaTypeName, ManagementContext mgmt, RegisteredType type, RegisteredTypeLoadingContext context) throws Exception {
         Class<?> result = ((BasicRegisteredType)type).getCache().get(ACTUAL_JAVA_TYPE);
         if (result!=null) return result;
         
-        result = CatalogUtils.newClassLoadingContext(mgmt, type).loadClass( javaTypeName );
+        result = CatalogUtils.newClassLoadingContext(mgmt, type, context==null ? null : context.getLoader()).loadClass( javaTypeName );
         Preconditions.checkNotNull(result, "Could not load class "+javaTypeName+"; returned null (should have thrown a different exception!)");
         
         ((BasicRegisteredType)type).getCache().put(ACTUAL_JAVA_TYPE, result);
@@ -178,7 +179,7 @@ public class RegisteredTypes {
         Iterator<Object> ri = result.iterator();
         if (!ri.hasNext()) return Maybe.absent("YAML has no elements in it");
         Object r1 = ri.next();
-        if (!ri.hasNext()) return Maybe.absent("YAML has multiple elements in it");
+        if (ri.hasNext()) return Maybe.absent("YAML has multiple elements in it");
         if (r1 instanceof Map) return Maybe.of((Map<Object,Object>)r1);
         return Maybe.absent("YAML does not contain a map");
     }
@@ -187,12 +188,19 @@ public class RegisteredTypes {
      * Queries recursively the supertypes of {@link RegisteredType} to see whether it 
      * declares a supertype compatible with the given {@link Class} */
     public static boolean isSubTypeOf(RegisteredType type, Class<?> superType) {
-        for (Object st: type.getSuperTypes()) {
+        return isSubTypeOf(type.getSuperTypes(), superType);
+    }
+    
+    /** 
+     * Queries recursively the given types (either {@link Class} or {@link RegisteredType}) 
+     * to see whether any are compatible with the given {@link Class} */
+    public static boolean isSubTypeOf(Set<Object> allKnownTypes, Class<?> superType) {
+        for (Object st: allKnownTypes) {
             if (st instanceof Class) {
                 if (superType.isAssignableFrom((Class<?>)st)) return true;
             }
         }
-        for (Object st: type.getSuperTypes()) {
+        for (Object st: allKnownTypes) {
             if (st instanceof RegisteredType) {
                 if (isSubTypeOf((RegisteredType)st, superType)) return true;
             }

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/test/java/brooklyn/policy/basic/AbstractEntityAdjunctTest.java
----------------------------------------------------------------------
diff --git a/core/src/test/java/brooklyn/policy/basic/AbstractEntityAdjunctTest.java b/core/src/test/java/brooklyn/policy/basic/AbstractEntityAdjunctTest.java
deleted file mode 100644
index d6d41de..0000000
--- a/core/src/test/java/brooklyn/policy/basic/AbstractEntityAdjunctTest.java
+++ /dev/null
@@ -1,52 +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 brooklyn.policy.basic;
-
-import java.util.Map;
-
-import org.apache.brooklyn.api.mgmt.rebind.RebindSupport;
-import org.apache.brooklyn.core.objs.AbstractEntityAdjunct;
-import org.testng.annotations.Test;
-
-import com.google.common.collect.ImmutableMap;
-
-public class AbstractEntityAdjunctTest {
-    private static class TestAdjunct extends AbstractEntityAdjunct {
-        public TestAdjunct(Map<?, ?> properties) {
-            super(properties);
-        }
- 
-        @Override
-        public RebindSupport<?> getRebindSupport() {
-            return null;
-        }
-
-        @Override
-        protected void onChanged() {
-        }
-    }
-
-    @Test
-    public void testImmutableFlags() {
-        //shouldn't try to mutate passed flags map (or previous references to it)
-        TestAdjunct testAdjunct = new TestAdjunct(ImmutableMap.of("unusedKey", "unusedValue"));
-        testAdjunct.configure(ImmutableMap.of("finalKey", "finalValue"));
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/test/java/org/apache/brooklyn/core/catalog/internal/SpecParameterInMetaTest.java
----------------------------------------------------------------------
diff --git a/core/src/test/java/org/apache/brooklyn/core/catalog/internal/SpecParameterInMetaTest.java b/core/src/test/java/org/apache/brooklyn/core/catalog/internal/SpecParameterInMetaTest.java
index 2f50c47..5437765 100644
--- a/core/src/test/java/org/apache/brooklyn/core/catalog/internal/SpecParameterInMetaTest.java
+++ b/core/src/test/java/org/apache/brooklyn/core/catalog/internal/SpecParameterInMetaTest.java
@@ -27,15 +27,21 @@ import java.util.List;
 import org.apache.brooklyn.api.catalog.BrooklynCatalog;
 import org.apache.brooklyn.api.catalog.CatalogItem;
 import org.apache.brooklyn.api.entity.EntitySpec;
+import org.apache.brooklyn.api.internal.AbstractBrooklynObjectSpec;
 import org.apache.brooklyn.api.mgmt.ManagementContext;
 import org.apache.brooklyn.api.objs.SpecParameter;
+import org.apache.brooklyn.api.typereg.RegisteredType;
+import org.apache.brooklyn.core.plan.PlanToSpecFactory;
 import org.apache.brooklyn.core.test.entity.LocalManagementContextForTests;
 import org.apache.brooklyn.entity.stock.BasicEntity;
 import org.apache.brooklyn.test.support.TestResourceUnavailableException;
 import org.apache.brooklyn.util.osgi.OsgiTestResources;
+import org.testng.Assert;
+import org.testng.annotations.AfterMethod;
 import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.Test;
 
+import com.google.common.base.Function;
 import com.google.common.base.Joiner;
 import com.google.common.collect.Iterables;
 import com.google.common.reflect.TypeToken;
@@ -43,18 +49,40 @@ import com.google.common.reflect.TypeToken;
 public class SpecParameterInMetaTest {
     private ManagementContext mgmt;
     private BrooklynCatalog catalog;
-    private String spec;
+    private String specId;
 
     @BeforeMethod(alwaysRun=true)
     public void setUp() {
         mgmt = LocalManagementContextForTests.newInstanceWithOsgi();
         catalog = mgmt.getCatalog();
-        spec = TestToSpecTransformer.registerSpec(EntitySpec.create(BasicEntity.class));
+        StaticTypePlanTransformer.forceInstall();
+        PlanToSpecFactory.forceAvailable(TestToSpecTransformer.class, JavaCatalogToSpecTransformer.class);
+        specId = StaticTypePlanTransformer.registerSpec(EntitySpec.create(BasicEntity.class));
     }
 
+    @AfterMethod(alwaysRun=true)
+    public void tearDown() {
+        StaticTypePlanTransformer.clearForced();
+        PlanToSpecFactory.clearForced();
+    }
+
+    @Test
+    public void testCanRetrieveWithNew() {
+        AbstractBrooklynObjectSpec<?, ?> spec = mgmt.getTypeRegistry().createSpecFromPlan(null, specId, null, null);
+        Assert.assertNotNull(spec);
+    }
+
+    // it's not actually added to the catalog; probably it would be cleaner if it is;
+    // but for now when we resolve in PlanToSpecFactory we make explicit reference to StaticTypePlanTransformer
+//    @Test
+//    public void testCanLookupNew() {
+//        RegisteredType type = mgmt.getTypeRegistry().get(specId);
+//        Assert.assertNotNull(type);
+//    }
+    
     @Test
     public void testYamlInputsParsed() {
-        CatalogItem<?, ?> item = add(
+        String itemId = add(
                 "brooklyn.catalog:",
                 "  id: test.inputs",
                 "  version: 0.0.1",
@@ -63,7 +91,9 @@ public class SpecParameterInMetaTest {
                 "  - name: explicit_name",
                 "  - name: third_input",
                 "    type: integer",
-                "  item: " + spec);
+                "  item: " + specId);
+        
+        EntitySpec<?> item = mgmt.getTypeRegistry().createSpec(mgmt.getTypeRegistry().get(itemId), null, EntitySpec.class);
         List<SpecParameter<?>> inputs = item.getParameters();
         assertEquals(inputs.size(), 3);
         SpecParameter<?> firstInput = inputs.get(0);
@@ -89,7 +119,7 @@ public class SpecParameterInMetaTest {
     public void testOsgiType() {
         TestResourceUnavailableException.throwIfResourceUnavailable(getClass(), OsgiTestResources.BROOKLYN_TEST_OSGI_ENTITIES_PATH);
 
-        CatalogItem<?, ?> item = add(
+        String itemId = add(
                 "brooklyn.catalog:",
                 "  id: test.inputs",
                 "  version: 0.0.1",
@@ -98,7 +128,8 @@ public class SpecParameterInMetaTest {
                 "  parameters:",
                 "  - name: simple",
                 "    type: " + OsgiTestResources.BROOKLYN_TEST_OSGI_ENTITIES_SIMPLE_ENTITY,
-                "  item: " + spec);
+                "  item: " + specId);
+        EntitySpec<?> item = mgmt.getTypeRegistry().createSpec(mgmt.getTypeRegistry().get(itemId), null, EntitySpec.class);
         List<SpecParameter<?>> inputs = item.getParameters();
         assertEquals(inputs.size(), 1);
         SpecParameter<?> firstInput = inputs.get(0);
@@ -110,6 +141,7 @@ public class SpecParameterInMetaTest {
 
     @Test
     public void testOsgiClassScanned() {
+        TestResourceUnavailableException.throwIfResourceUnavailable(getClass(), OsgiTestResources.BROOKLYN_TEST_OSGI_ENTITIES_PATH);
         TestResourceUnavailableException.throwIfResourceUnavailable(getClass(), OsgiTestResources.BROOKLYN_TEST_MORE_ENTITIES_V2_PATH);
 
         addMulti("brooklyn.catalog:",
@@ -117,23 +149,32 @@ public class SpecParameterInMetaTest {
             "    - scanJavaAnnotations: true",
             "      version: 2.0.test_java",
             "      libraries:",
+            "      - classpath://" + OsgiTestResources.BROOKLYN_TEST_OSGI_ENTITIES_PATH,
             "      - classpath://" + OsgiTestResources.BROOKLYN_TEST_MORE_ENTITIES_V2_PATH);
 
-        CatalogItem<?, ?> item = CatalogUtils.getCatalogItemOptionalVersion(mgmt, OsgiTestResources.BROOKLYN_TEST_MORE_ENTITIES_MORE_ENTITY);
-        assertEquals(item.getVersion(), "2.0.test_java");
-        assertEquals(item.getLibraries().size(), 1);
+        RegisteredType itemT = mgmt.getTypeRegistry().get(OsgiTestResources.BROOKLYN_TEST_MORE_ENTITIES_MORE_ENTITY);
+        assertEquals(itemT.getVersion(), "2.0.test_java");
+        assertEquals(itemT.getLibraries().size(), 2);
+        
+        EntitySpec<?> item = mgmt.getTypeRegistry().createSpec(itemT, null, EntitySpec.class);
         SpecParameter<?> input = item.getParameters().get(0);
         assertEquals(input.getLabel(), "more_config");
         assertFalse(input.isPinned());
         assertEquals(input.getType().getName(), "more_config");
     }
 
-    private CatalogItem<?,?> add(String... def) {
+    private String add(String... def) {
         return Iterables.getOnlyElement(addMulti(def));
     }
 
-    private Iterable<? extends CatalogItem<?, ?>> addMulti(String... def) {
-        return catalog.addItems(Joiner.on('\n').join(def));
+    private Iterable<String> addMulti(String... def) {
+        return Iterables.transform(catalog.addItems(Joiner.on('\n').join(def)),
+            new Function<CatalogItem<?,?>, String>() {
+                @Override
+                public String apply(CatalogItem<?, ?> input) {
+                    return input.getId();
+                }
+            });
     }
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/test/java/org/apache/brooklyn/core/catalog/internal/StaticTypePlanTransformer.java
----------------------------------------------------------------------
diff --git a/core/src/test/java/org/apache/brooklyn/core/catalog/internal/StaticTypePlanTransformer.java b/core/src/test/java/org/apache/brooklyn/core/catalog/internal/StaticTypePlanTransformer.java
new file mode 100644
index 0000000..c5568ca
--- /dev/null
+++ b/core/src/test/java/org/apache/brooklyn/core/catalog/internal/StaticTypePlanTransformer.java
@@ -0,0 +1,115 @@
+/*
+ * 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.brooklyn.core.catalog.internal;
+
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.brooklyn.api.internal.AbstractBrooklynObjectSpec;
+import org.apache.brooklyn.api.typereg.RegisteredType;
+import org.apache.brooklyn.api.typereg.RegisteredTypeLoadingContext;
+import org.apache.brooklyn.core.typereg.AbstractTypePlanTransformer;
+import org.apache.brooklyn.core.typereg.JavaClassNameTypePlanTransformer;
+import org.apache.brooklyn.core.typereg.TypePlanTransformers;
+import org.apache.brooklyn.util.text.Identifiers;
+
+/**
+ * Resolves previously registered specs by id.
+ * First create a spec and register it, keeping the returned ID:
+ * <pre> {@code
+ * String specId = StaticTypePlanTransformer.registerSpec(EntitySpec.create(BasicEntity.class));
+ * }</pre>
+ *
+ * Then build a plan to be resolved such as:
+ * <pre> {@code
+ *  brooklyn.catalog:
+ *    id: test.inputs
+ *    version: 0.0.1
+ *    item: <specId>
+ * } </pre>
+ */
+public class StaticTypePlanTransformer extends AbstractTypePlanTransformer {
+    
+    public StaticTypePlanTransformer() {
+        super("static-types", "Static Type", "Static transformer for use in tests");
+    }
+
+    private static final Map<String, AbstractBrooklynObjectSpec<?, ?>> REGISTERED_SPECS = new ConcurrentHashMap<>();
+
+    public static void forceInstall() {
+        TypePlanTransformers.forceAvailable(StaticTypePlanTransformer.class, JavaClassNameTypePlanTransformer.class);
+    }
+    
+    public static void clearForced() {
+        TypePlanTransformers.clearForced();
+    }
+    
+    public static String registerSpec(AbstractBrooklynObjectSpec<?, ?> spec) {
+        String id = Identifiers.makeRandomId(10);
+        REGISTERED_SPECS.put(id, spec);
+        return id;
+    }
+
+    @Override
+    public double scoreForTypeDefinition(String formatCode, Object catalogData) {
+        // not supported
+        return 0;
+    }
+
+    @Override
+    public List<RegisteredType> createFromTypeDefinition(String formatCode, Object catalogData) {
+        // not supported
+        return null;
+    }
+
+    @Override
+    protected double scoreForNullFormat(Object planData, RegisteredType type, RegisteredTypeLoadingContext context) {
+        if (REGISTERED_SPECS.containsKey(type.getId())) return 1;
+        if (REGISTERED_SPECS.containsKey(planData)) return 1;
+        return 0;
+    }
+
+    @Override
+    protected double scoreForNonmatchingNonnullFormat(String planFormat, Object planData, RegisteredType type, RegisteredTypeLoadingContext context) {
+        // not supported
+        return 0;
+    }
+
+    @Override
+    protected AbstractBrooklynObjectSpec<?, ?> createSpec(RegisteredType type, RegisteredTypeLoadingContext context) throws Exception {
+        if (REGISTERED_SPECS.containsKey(type.getId()))
+            return get(type.getId());
+        if (REGISTERED_SPECS.containsKey(type.getPlan().getPlanData()))
+            return get((String)type.getPlan().getPlanData());
+        return null;
+    }
+
+    @Override
+    protected Object createBean(RegisteredType type, RegisteredTypeLoadingContext context) throws Exception {
+        // not supported
+        return null;
+    }
+
+    public static AbstractBrooklynObjectSpec<?, ?> get(String typeName) {
+        return REGISTERED_SPECS.get(typeName);
+    }
+
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/test/java/org/apache/brooklyn/core/catalog/internal/TestToSpecTransformer.java
----------------------------------------------------------------------
diff --git a/core/src/test/java/org/apache/brooklyn/core/catalog/internal/TestToSpecTransformer.java b/core/src/test/java/org/apache/brooklyn/core/catalog/internal/TestToSpecTransformer.java
index 0dfe291..9f9440a 100644
--- a/core/src/test/java/org/apache/brooklyn/core/catalog/internal/TestToSpecTransformer.java
+++ b/core/src/test/java/org/apache/brooklyn/core/catalog/internal/TestToSpecTransformer.java
@@ -20,43 +20,36 @@ package org.apache.brooklyn.core.catalog.internal;
 
 import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
 
+import org.apache.brooklyn.api.catalog.BrooklynCatalog;
 import org.apache.brooklyn.api.catalog.CatalogItem;
 import org.apache.brooklyn.api.entity.Application;
 import org.apache.brooklyn.api.entity.EntitySpec;
 import org.apache.brooklyn.api.internal.AbstractBrooklynObjectSpec;
 import org.apache.brooklyn.api.mgmt.ManagementContext;
+import org.apache.brooklyn.api.typereg.RegisteredType;
 import org.apache.brooklyn.core.plan.PlanNotRecognizedException;
 import org.apache.brooklyn.core.plan.PlanToSpecTransformer;
-import org.apache.brooklyn.util.text.Identifiers;
+import org.apache.brooklyn.core.typereg.JavaClassNameTypePlanTransformer;
+import org.apache.brooklyn.core.typereg.RegisteredTypeLoadingContexts;
+import org.apache.brooklyn.util.collections.MutableSet;
 import org.apache.brooklyn.util.yaml.Yamls;
 
+import com.google.common.collect.Iterables;
+
 /**
- * Resolves previously registered specs by id.
- * First create a spec and register it, keeping the returned ID:
- * <pre> {@code
- * String specId = TestToSpecTransformer.registerSpec(EntitySpec.create(BasicEntity.class));
- * }</pre>
- *
- * Then build a plan to be resolved such as:
- * <pre> {@code
- *  brooklyn.catalog:
- *    id: test.inputs
- *    version: 0.0.1
- *    item: <specId>
- * } </pre>
+ * For use in conjunction with {@link StaticTypePlanTransformer};
+ * this will lookup an item by ID or in a map "type: id".
+ * <p>
+ * Should be removed when catalog is able to function using new-style lookups.
  */
 public class TestToSpecTransformer implements PlanToSpecTransformer {
-    private static final Map<String, AbstractBrooklynObjectSpec<?, ?>> REGISTERED_SPECS = new ConcurrentHashMap<>();
-    public static String registerSpec(AbstractBrooklynObjectSpec<?, ?> spec) {
-        String id = Identifiers.makeRandomId(10);
-        REGISTERED_SPECS.put(id, spec);
-        return id;
-    }
+
+    private ManagementContext mgmt;
 
     @Override
     public void injectManagementContext(ManagementContext managementContext) {
+        mgmt = managementContext;
     }
 
     @Override
@@ -72,47 +65,56 @@ public class TestToSpecTransformer implements PlanToSpecTransformer {
     @SuppressWarnings("unchecked")
     @Override
     public EntitySpec<? extends Application> createApplicationSpec(String plan) throws PlanNotRecognizedException {
-        return (EntitySpec<? extends Application>) getSpec(plan);
+        return (EntitySpec<? extends Application>) getSpec(plan, null, MutableSet.<String>of());
     }
 
     @SuppressWarnings("unchecked")
     @Override
     public <T, SpecT extends AbstractBrooklynObjectSpec<? extends T, SpecT>> SpecT createCatalogSpec(CatalogItem<T, SpecT> item, Set<String> encounteredTypes) 
             throws PlanNotRecognizedException {
-        return (SpecT) getSpecFromPlan(item.getPlanYaml());
+        return (SpecT) getSpecFromPlan(item.getPlanYaml(), item, encounteredTypes);
     }
 
-    private AbstractBrooklynObjectSpec<?,?> getSpecFromPlan(String plan) {
+    @SuppressWarnings("unchecked")
+    private AbstractBrooklynObjectSpec<?,?> getSpecFromPlan(String plan, CatalogItem<?,?> item, Set<String> encounteredTypes) {
         if (plan != null) {
             Object planRaw = Yamls.parseAll(plan).iterator().next();
             if (planRaw instanceof String) {
-                return getSpec((String)planRaw);
+                return getSpec((String)planRaw, item, encounteredTypes);
             } else if (planRaw instanceof Map) {
                 // The catalog parser assumes it's dealing with CAMP specs so will helpfully
                 // prepend "type: " if it's an inline item.
-                return getSpec((String)((Map<?, ?>)planRaw).get("type"));
-            } else {
-                throw notRecognized();
+                Map<?, ?> planMap = (Map<?, ?>)planRaw;
+                if (planMap.size()==1 && planMap.containsKey("services")) {
+                    planMap = Iterables.getOnlyElement( (Iterable<Map<?,?>>)(planMap.get("services")) );
+                }
+                if (planMap.size()==1 && planMap.containsKey("type"))
+                    return getSpec((String)(planMap.get("type")), item, encounteredTypes);
             }
-        } else {
-            throw notRecognized();
         }
+        throw notRecognized("unknown format "+plan);
     }
 
-    private AbstractBrooklynObjectSpec<?,?> getSpec(String plan) {
-        if (plan == null) {
-            throw notRecognized();
+    private AbstractBrooklynObjectSpec<?,?> getSpec(String typeName, CatalogItem<?,?> item, Set<String> encounteredTypes) {
+        if (typeName == null) {
+            throw notRecognized("null type "+typeName);
         }
-        AbstractBrooklynObjectSpec<?, ?> spec = REGISTERED_SPECS.get(plan);
-        if (spec != null) {
-            return spec;
-        } else {
-            throw notRecognized();
+
+        RegisteredType type = mgmt.getTypeRegistry().get(typeName);
+        if (type==null) {
+            AbstractBrooklynObjectSpec<?,?> spec = StaticTypePlanTransformer.get(typeName);
+            if (spec!=null) return spec;
+            
+            throw notRecognized("no type "+typeName);
         }
+        
+        return mgmt.getTypeRegistry().createSpecFromPlan(
+            JavaClassNameTypePlanTransformer.FORMAT,
+            typeName, RegisteredTypeLoadingContexts.loader(CatalogUtils.newClassLoadingContext(mgmt, item)), null);
     }
 
-    private PlanNotRecognizedException notRecognized() {
-        return new PlanNotRecognizedException("Not recognized as registered spec");
+    private PlanNotRecognizedException notRecognized(String message) {
+        return new PlanNotRecognizedException("Not recognized as registered spec: "+message);
     }
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/test/java/org/apache/brooklyn/core/objs/AbstractEntityAdjunctTest.java
----------------------------------------------------------------------
diff --git a/core/src/test/java/org/apache/brooklyn/core/objs/AbstractEntityAdjunctTest.java b/core/src/test/java/org/apache/brooklyn/core/objs/AbstractEntityAdjunctTest.java
new file mode 100644
index 0000000..73b9d2d
--- /dev/null
+++ b/core/src/test/java/org/apache/brooklyn/core/objs/AbstractEntityAdjunctTest.java
@@ -0,0 +1,52 @@
+/*
+ * 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.brooklyn.core.objs;
+
+import java.util.Map;
+
+import org.apache.brooklyn.api.mgmt.rebind.RebindSupport;
+import org.apache.brooklyn.core.objs.AbstractEntityAdjunct;
+import org.testng.annotations.Test;
+
+import com.google.common.collect.ImmutableMap;
+
+public class AbstractEntityAdjunctTest {
+    private static class TestAdjunct extends AbstractEntityAdjunct {
+        public TestAdjunct(Map<?, ?> properties) {
+            super(properties);
+        }
+ 
+        @Override
+        public RebindSupport<?> getRebindSupport() {
+            return null;
+        }
+
+        @Override
+        protected void onChanged() {
+        }
+    }
+
+    @Test
+    public void testImmutableFlags() {
+        //shouldn't try to mutate passed flags map (or previous references to it)
+        TestAdjunct testAdjunct = new TestAdjunct(ImmutableMap.of("unusedKey", "unusedValue"));
+        testAdjunct.configure(ImmutableMap.of("finalKey", "finalValue"));
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/core/src/test/resources/META-INF/services/org.apache.brooklyn.core.plan.PlanToSpecTransformer
----------------------------------------------------------------------
diff --git a/core/src/test/resources/META-INF/services/org.apache.brooklyn.core.plan.PlanToSpecTransformer b/core/src/test/resources/META-INF/services/org.apache.brooklyn.core.plan.PlanToSpecTransformer
deleted file mode 100644
index 34d91b4..0000000
--- a/core/src/test/resources/META-INF/services/org.apache.brooklyn.core.plan.PlanToSpecTransformer
+++ /dev/null
@@ -1,19 +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.
-#
-org.apache.brooklyn.core.catalog.internal.TestToSpecTransformer

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampCatalogUtils.java
----------------------------------------------------------------------
diff --git a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampCatalogUtils.java b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampCatalogUtils.java
index 32f7c0e..706d6f2 100644
--- a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampCatalogUtils.java
+++ b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampCatalogUtils.java
@@ -30,7 +30,7 @@ import org.apache.brooklyn.core.typereg.RegisteredTypes;
 public class CampCatalogUtils {
 
     public static AbstractBrooklynObjectSpec<?, ?> createSpec(ManagementContext mgmt, CatalogItem<?, ?> item, Set<String> parentEncounteredTypes) {
-        return CampResolver.createSpecFromFull(mgmt, RegisteredTypes.of(item), parentEncounteredTypes, null);
+        return CampResolver.createSpecFromFull(mgmt, RegisteredTypes.of(item), item.getCatalogItemJavaType(), parentEncounteredTypes, null);
     }
     
     public static CampPlatform getCampPlatform(ManagementContext mgmt) {

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampResolver.java
----------------------------------------------------------------------
diff --git a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampResolver.java b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampResolver.java
index 3070280..e6c514a 100644
--- a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampResolver.java
+++ b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampResolver.java
@@ -37,6 +37,7 @@ import org.apache.brooklyn.camp.spi.instantiate.AssemblyTemplateInstantiator;
 import org.apache.brooklyn.core.catalog.internal.CatalogUtils;
 import org.apache.brooklyn.core.mgmt.EntityManagementUtils;
 import org.apache.brooklyn.core.typereg.RegisteredTypes;
+import org.apache.brooklyn.util.collections.MutableSet;
 import org.apache.brooklyn.util.text.Strings;
 
 import com.google.common.collect.ImmutableSet;
@@ -72,10 +73,10 @@ class CampResolver {
         // TODO new-style approach:
         //            AbstractBrooklynObjectSpec<?, ?> spec = RegisteredTypes.newSpecInstance(mgmt, /* 'type' key */);
         //            spec.configure(keysAndValues);
-        return createSpecFromFull(mgmt, type, context.getAlreadyEncounteredTypes(), context.getLoader());
+        return createSpecFromFull(mgmt, type, context.getExpectedJavaSuperType(), context.getAlreadyEncounteredTypes(), context.getLoader());
     }
 
-    static AbstractBrooklynObjectSpec<?, ?> createSpecFromFull(ManagementContext mgmt, RegisteredType item, Set<String> parentEncounteredTypes, BrooklynClassLoadingContext loaderO) {
+    static AbstractBrooklynObjectSpec<?, ?> createSpecFromFull(ManagementContext mgmt, RegisteredType item, Class<?> expectedType, Set<String> parentEncounteredTypes, BrooklynClassLoadingContext loaderO) {
         // for this method, a prefix "services" or "brooklyn.{location,policies}" is required at the root;
         // we now prefer items to come in "{ type: .. }" format, except for application roots which
         // should have a "services: [ ... ]" block (and which may subsequently be unwrapped)
@@ -94,13 +95,15 @@ class CampResolver {
 
         AbstractBrooklynObjectSpec<?, ?> spec;
         String planYaml = RegisteredTypes.getImplementationDataStringForSpec(item);
-        if (RegisteredTypes.isSubTypeOf(item, Policy.class)) {
+        MutableSet<Object> supers = MutableSet.copyOf(item.getSuperTypes());
+        supers.addIfNotNull(expectedType);
+        if (RegisteredTypes.isSubTypeOf(supers, Policy.class)) {
             spec = CampInternalUtils.createPolicySpec(planYaml, loader, encounteredTypes);
-        } else if (RegisteredTypes.isSubTypeOf(item, Location.class)) {
+        } else if (RegisteredTypes.isSubTypeOf(supers, Location.class)) {
             spec = CampInternalUtils.createLocationSpec(planYaml, loader, encounteredTypes);
-        } else if (RegisteredTypes.isSubTypeOf(item, Application.class)) {
+        } else if (RegisteredTypes.isSubTypeOf(supers, Application.class)) {
             spec = createEntitySpecFromServicesBlock(planYaml, loader, encounteredTypes, true);
-        } else if (RegisteredTypes.isSubTypeOf(item, Entity.class)) {
+        } else if (RegisteredTypes.isSubTypeOf(supers, Entity.class)) {
             spec = createEntitySpecFromServicesBlock(planYaml, loader, encounteredTypes, false);
         } else {
             // try any of them???
@@ -123,9 +126,9 @@ class CampResolver {
         AssemblyTemplateInstantiator instantiator = CampInternalUtils.getInstantiator(at);
         if (instantiator instanceof AssemblyTemplateSpecInstantiator) {
             EntitySpec<? extends Application> appSpec = ((AssemblyTemplateSpecInstantiator)instantiator).createApplicationSpec(at, camp, loader, encounteredTypes);
-            CampInternalUtils.resetSpecIfTemplateHasNoExplicitParameters(at, appSpec);
 
             if (!isApplication && EntityManagementUtils.canPromoteChildrenInWrappedApplication(appSpec) && appSpec.getChildren().size()==1) {
+                CampInternalUtils.resetSpecIfTemplateHasNoExplicitParameters(at, appSpec);
                 EntitySpec<?> childSpec = appSpec.getChildren().get(0);
                 EntityManagementUtils.mergeWrapperParentSpecToChildEntity(appSpec, childSpec);
                 return childSpec;

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampToSpecTransformer.java
----------------------------------------------------------------------
diff --git a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampToSpecTransformer.java b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampToSpecTransformer.java
index f2b224c..a1c8150 100644
--- a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampToSpecTransformer.java
+++ b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampToSpecTransformer.java
@@ -99,7 +99,7 @@ public class CampToSpecTransformer implements PlanToSpecTransformer {
         }
 
         // Not really clear what should happen to the top-level attributes, ignored until a good use case appears.
-        return (SpecT) CampResolver.createSpecFromFull(mgmt, RegisteredTypes.of(item), encounteredTypes, null);
+        return (SpecT) CampResolver.createSpecFromFull(mgmt, RegisteredTypes.of(item), item.getCatalogItemJavaType(), encounteredTypes, null);
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampTypePlanTransformer.java
----------------------------------------------------------------------
diff --git a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampTypePlanTransformer.java b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampTypePlanTransformer.java
index 4793a59..56eeb99 100644
--- a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampTypePlanTransformer.java
+++ b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/CampTypePlanTransformer.java
@@ -48,6 +48,10 @@ public class CampTypePlanTransformer extends AbstractTypePlanTransformer {
         Maybe<Map<Object, Object>> plan = RegisteredTypes.getAsYamlMap(planData);
         if (plan.isAbsent()) return 0;
         if (plan.get().containsKey("services")) return 0.8;
+        if (plan.get().containsKey("type")) return 0.4;
+        // TODO these should become legacy
+        if (plan.get().containsKey("brooklyn.locations")) return 0.7;
+        if (plan.get().containsKey("brooklyn.policies")) return 0.7;
         return 0;
     }
 

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/service/UrlServiceSpecResolver.java
----------------------------------------------------------------------
diff --git a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/service/UrlServiceSpecResolver.java b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/service/UrlServiceSpecResolver.java
index 3799418..c87626c 100644
--- a/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/service/UrlServiceSpecResolver.java
+++ b/usage/camp/src/main/java/org/apache/brooklyn/camp/brooklyn/spi/creation/service/UrlServiceSpecResolver.java
@@ -65,7 +65,7 @@ public class UrlServiceSpecResolver implements EntitySpecResolver {
         }
         
         // Referenced specs are expected to be CAMP format as well.
-        // XXX somehow specify to allow full syntax for services
+        // TODO somehow specify to allow full syntax for services
         EntitySpec<?> item = loader.getManagementContext().getTypeRegistry().createSpecFromPlan(
             CampTypePlanTransformer.FORMAT,
             yaml,

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/LocationsYamlTest.java
----------------------------------------------------------------------
diff --git a/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/LocationsYamlTest.java b/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/LocationsYamlTest.java
index b046a70..269ff16 100644
--- a/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/LocationsYamlTest.java
+++ b/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/LocationsYamlTest.java
@@ -162,7 +162,7 @@ public class LocationsYamlTest extends AbstractYamlTest {
         
         try {
             createStartWaitAndLogApplication(new StringReader(yaml));
-        } catch (IllegalStateException e) {
+        } catch (Exception e) {
             if (!e.toString().contains("Conflicting 'location' and 'locations'")) throw e;
         }
     }
@@ -178,7 +178,7 @@ public class LocationsYamlTest extends AbstractYamlTest {
         
         try {
             createStartWaitAndLogApplication(new StringReader(yaml));
-        } catch (IllegalStateException e) {
+        } catch (Exception e) {
             if (!e.toString().contains("must be a string or map")) throw e;
         }
     }

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/catalog/CatalogParametersTest.java
----------------------------------------------------------------------
diff --git a/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/catalog/CatalogParametersTest.java b/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/catalog/CatalogParametersTest.java
index 6407d4a..010e42d 100644
--- a/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/catalog/CatalogParametersTest.java
+++ b/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/catalog/CatalogParametersTest.java
@@ -273,7 +273,54 @@ public class CatalogParametersTest extends AbstractYamlTest {
     }
 
     @Test
-    public void testParametersCoercedOnSetAndReferences() throws Exception {
+    public void testParametersOnItemCoercedOnSetAndReferences() throws Exception {
+        Integer testValue = Integer.valueOf(55);
+        addCatalogItems(
+                "brooklyn.catalog:",
+                "  id: " + SYMBOLIC_NAME,
+                "  version: " + TEST_VERSION,
+                "  item:",
+                "    type: " + BasicApplication.class.getName(),
+                "    brooklyn.parameters:",
+                "    - name: num",
+                "      type: integer",
+                "    brooklyn.children:",
+                "    - type: " + ConfigEntityForTest.class.getName(),
+                "      brooklyn.config:",
+                "        refConfig: $brooklyn:scopeRoot().config(\"num\")",
+                "    - type: " + ConfigEntityForTest.class.getName(),
+                "      brooklyn.config:",
+                "        refConfig: $brooklyn:config(\"num\")"); //inherited config
+
+        Entity app = createAndStartApplication(
+                "services:",
+                "- type: " + BasicApplication.class.getName(),
+                "  brooklyn.children:",
+                "  - type: " + ver(SYMBOLIC_NAME),
+                "    brooklyn.config:",
+                "      num: \"" + testValue + "\"");
+
+        Entity scopeRoot = Iterables.getOnlyElement(app.getChildren());
+
+        ConfigKey<Object> numKey = ConfigKeys.newConfigKey(Object.class, "num");
+        assertEquals(scopeRoot.config().get(numKey), testValue);
+
+        ConfigKey<Object> refConfigKey = ConfigKeys.newConfigKey(Object.class, "refConfig");
+
+        Iterator<Entity> childIter = scopeRoot.getChildren().iterator();
+        Entity c1 = childIter.next();
+        assertEquals(c1.config().get(refConfigKey), testValue);
+        Entity c2 = childIter.next();
+        assertEquals(c2.config().get(refConfigKey), testValue);
+        assertFalse(childIter.hasNext());
+    }
+    
+    // XXX TODO parameters on the root don't work with new type registry; 
+    // they require the CI being able to keep them,
+    // or else modifying the plan. TODO should they be permitted as metadata in this way?
+    // or treaded like a declaration of config keys on the entity?  i (alex) prefer the latter.
+    @Test(groups="WIP")
+    public void testParametersAtRootCoercedOnSetAndReferences() throws Exception {
         Integer testValue = Integer.valueOf(55);
         addCatalogItems(
                 "brooklyn.catalog:",

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/test/lite/CampYamlLiteTest.java
----------------------------------------------------------------------
diff --git a/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/test/lite/CampYamlLiteTest.java b/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/test/lite/CampYamlLiteTest.java
index 93507aa..1558db3 100644
--- a/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/test/lite/CampYamlLiteTest.java
+++ b/usage/camp/src/test/java/org/apache/brooklyn/camp/brooklyn/test/lite/CampYamlLiteTest.java
@@ -30,11 +30,9 @@ import java.util.Map;
 
 import org.apache.brooklyn.api.catalog.CatalogItem;
 import org.apache.brooklyn.api.catalog.CatalogItem.CatalogBundle;
-import org.apache.brooklyn.api.entity.Application;
 import org.apache.brooklyn.api.entity.Entity;
 import org.apache.brooklyn.api.entity.EntitySpec;
 import org.apache.brooklyn.api.mgmt.Task;
-import org.apache.brooklyn.api.typereg.BrooklynTypeRegistry;
 import org.apache.brooklyn.api.typereg.OsgiBundleWithUrl;
 import org.apache.brooklyn.api.typereg.RegisteredType;
 import org.apache.brooklyn.camp.spi.Assembly;

http://git-wip-us.apache.org/repos/asf/incubator-brooklyn/blob/c712ad5e/usage/rest-server/src/main/java/org/apache/brooklyn/rest/resources/ApplicationResource.java
----------------------------------------------------------------------
diff --git a/usage/rest-server/src/main/java/org/apache/brooklyn/rest/resources/ApplicationResource.java b/usage/rest-server/src/main/java/org/apache/brooklyn/rest/resources/ApplicationResource.java
index a0c5d8f..c22082b 100644
--- a/usage/rest-server/src/main/java/org/apache/brooklyn/rest/resources/ApplicationResource.java
+++ b/usage/rest-server/src/main/java/org/apache/brooklyn/rest/resources/ApplicationResource.java
@@ -45,7 +45,6 @@ import org.apache.brooklyn.api.mgmt.Task;
 import org.apache.brooklyn.api.objs.BrooklynObject;
 import org.apache.brooklyn.api.sensor.AttributeSensor;
 import org.apache.brooklyn.api.sensor.Sensor;
-import org.apache.brooklyn.api.typereg.BrooklynTypeRegistry.RegisteredTypeKind;
 import org.apache.brooklyn.core.config.ConstraintViolationException;
 import org.apache.brooklyn.core.entity.Attributes;
 import org.apache.brooklyn.core.entity.EntityPredicates;
@@ -372,14 +371,14 @@ public class ApplicationResource extends AbstractBrooklynRestResource implements
     private EntitySpec<? extends Application> createEntitySpecForApplication(String potentialYaml) {
         try {
             return EntityManagementUtils.createEntitySpecForApplication(mgmt(), potentialYaml);
-        } catch (IllegalStateException e) {
-            // An IllegalArgumentException for creating the entity spec gets wrapped in a ISE.
+        } catch (Exception e) {
+            // An IllegalArgumentException for creating the entity spec gets wrapped in a ISE, and possibly a Compound.
             // But we want to return a 400 rather than 500, so ensure we throw IAE.
-            IllegalArgumentException iae = (IllegalArgumentException) Exceptions.getFirstThrowableOfType(e.getCause(), IllegalArgumentException.class);
+            IllegalArgumentException iae = (IllegalArgumentException) Exceptions.getFirstThrowableOfType(e, IllegalArgumentException.class);
             if (iae != null) {
                 throw new IllegalArgumentException("Cannot create spec for app: "+iae.getMessage(), e);
             } else {
-                throw e;
+                throw Exceptions.propagate(e);
             }
         }
     }