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Posted to commits@aries.apache.org by gn...@apache.org on 2014/09/05 11:35:05 UTC

svn commit: r1622664 - in /aries/trunk/jpa: jpa-api/ jpa-api/src/main/java/org/apache/aries/jpa/container/sync/ jpa-blueprint-aries/ jpa-blueprint-aries/src/main/java/org/apache/aries/jpa/blueprint/aries/impl/ jpa-blueprint-aries/src/main/resources/org...

Author: gnodet
Date: Fri Sep  5 09:35:04 2014
New Revision: 1622664

URL: http://svn.apache.org/r1622664
Log:
[ARIES-885] In container managed mode, a single non thread safe entity manager is used to service all requests when no transaction is active

Added:
    aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/
    aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/Synchronization.java
    aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/packageinfo
Modified:
    aries/trunk/jpa/jpa-api/pom.xml
    aries/trunk/jpa/jpa-blueprint-aries/pom.xml
    aries/trunk/jpa/jpa-blueprint-aries/src/main/java/org/apache/aries/jpa/blueprint/aries/impl/NSHandler.java
    aries/trunk/jpa/jpa-blueprint-aries/src/main/resources/org/apache/aries/jpa/blueprint/aries/nls/ariesBlueprintJpaMessages.properties
    aries/trunk/jpa/jpa-container-context/pom.xml
    aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/ManagedPersistenceContextFactory.java
    aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/PersistenceContextManager.java
    aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/transaction/impl/JTAEntityManager.java
    aries/trunk/jpa/jpa-container-itest/pom.xml
    aries/trunk/jpa/jpa-container-itest/src/test/java/org/apache/aries/jpa/context/itest/JPAContextTest.java

Modified: aries/trunk/jpa/jpa-api/pom.xml
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-api/pom.xml?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-api/pom.xml (original)
+++ aries/trunk/jpa/jpa-api/pom.xml Fri Sep  5 09:35:04 2014
@@ -44,6 +44,7 @@
         <!-- Export package versions are maintained in packageinfo files -->
         <aries.osgi.export.pkg>
             org.apache.aries.jpa.container.parsing,
+            org.apache.aries.jpa.container.sync,
             org.apache.aries.jpa.container,
             org.apache.aries.jpa.container.context
         </aries.osgi.export.pkg>

Added: aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/Synchronization.java
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/Synchronization.java?rev=1622664&view=auto
==============================================================================
--- aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/Synchronization.java (added)
+++ aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/Synchronization.java Fri Sep  5 09:35:04 2014
@@ -0,0 +1,27 @@
+/**
+ * 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.aries.jpa.container.sync;
+
+public interface Synchronization {
+
+    void preCall();
+
+    void postCall();
+
+}

Added: aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/packageinfo
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/packageinfo?rev=1622664&view=auto
==============================================================================
--- aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/packageinfo (added)
+++ aries/trunk/jpa/jpa-api/src/main/java/org/apache/aries/jpa/container/sync/packageinfo Fri Sep  5 09:35:04 2014
@@ -0,0 +1,19 @@
+#
+# 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.
+#
+version 1.0.0

Modified: aries/trunk/jpa/jpa-blueprint-aries/pom.xml
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-blueprint-aries/pom.xml?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-blueprint-aries/pom.xml (original)
+++ aries/trunk/jpa/jpa-blueprint-aries/pom.xml Fri Sep  5 09:35:04 2014
@@ -76,7 +76,7 @@
         <dependency>
             <groupId>org.apache.aries.jpa</groupId>
             <artifactId>org.apache.aries.jpa.api</artifactId>
-            <version>1.0.1</version>
+            <version>1.0.2-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>

Modified: aries/trunk/jpa/jpa-blueprint-aries/src/main/java/org/apache/aries/jpa/blueprint/aries/impl/NSHandler.java
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-blueprint-aries/src/main/java/org/apache/aries/jpa/blueprint/aries/impl/NSHandler.java?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-blueprint-aries/src/main/java/org/apache/aries/jpa/blueprint/aries/impl/NSHandler.java (original)
+++ aries/trunk/jpa/jpa-blueprint-aries/src/main/java/org/apache/aries/jpa/blueprint/aries/impl/NSHandler.java Fri Sep  5 09:35:04 2014
@@ -18,6 +18,7 @@
  */
 package org.apache.aries.jpa.blueprint.aries.impl;
 
+import java.lang.reflect.Method;
 import java.net.URL;
 import java.util.Arrays;
 import java.util.Collection;
@@ -34,6 +35,7 @@ import javax.persistence.PersistenceCont
 import javax.persistence.PersistenceContextType;
 import javax.persistence.PersistenceUnit;
 
+import org.apache.aries.blueprint.Interceptor;
 import org.apache.aries.blueprint.NamespaceHandler;
 import org.apache.aries.blueprint.ParserContext;
 import org.apache.aries.blueprint.PassThroughMetadata;
@@ -42,8 +44,11 @@ import org.apache.aries.blueprint.mutabl
 import org.apache.aries.blueprint.mutable.MutableReferenceMetadata;
 import org.apache.aries.jpa.container.PersistenceUnitConstants;
 import org.apache.aries.jpa.container.context.PersistenceContextProvider;
+import org.apache.aries.jpa.container.sync.Synchronization;
 import org.apache.aries.util.nls.MessageUtil;
 import org.osgi.framework.Bundle;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.InvalidSyntaxException;
 import org.osgi.framework.ServiceReference;
 import org.osgi.service.blueprint.reflect.BeanMetadata;
 import org.osgi.service.blueprint.reflect.ComponentMetadata;
@@ -236,6 +241,41 @@ public class NSHandler implements Namesp
                 } else {
                     _logger.warn(MESSAGES.getMessage("no.persistence.context.provider", client.getSymbolicName() + '/' + client.getVersion(), unitName, properties));
                 }
+                boolean foundSync = false;
+                try {
+                    Collection<ServiceReference<Synchronization>> refs = client.getBundleContext().getServiceReferences(Synchronization.class, "(" + PersistenceUnitConstants.OSGI_UNIT_NAME + "=" + unitName + ")");
+                    if (refs.size() > 0) {
+                        final Synchronization sync = client.getBundleContext().getService(refs.iterator().next());
+                        context.getComponentDefinitionRegistry().registerInterceptorWithComponent(
+                                component,
+                                new Interceptor() {
+                                    @Override
+                                    public Object preCall(ComponentMetadata componentMetadata, Method method, Object... objects) throws Throwable {
+                                        sync.preCall();
+                                        return null;
+                                    }
+                                    @Override
+                                    public void postCallWithReturn(ComponentMetadata componentMetadata, Method method, Object o, Object o2) throws Throwable {
+                                        sync.postCall();
+                                    }
+                                    @Override
+                                    public void postCallWithException(ComponentMetadata componentMetadata, Method method, Throwable throwable, Object o) throws Throwable {
+                                        sync.postCall();
+                                    }
+                                    @Override
+                                    public int getRank() {
+                                        return 0;
+                                    }
+                                }
+                        );
+                        foundSync = true;
+                    }
+                } catch (InvalidSyntaxException e) {
+                    // Ignore
+                }
+                if (!foundSync) {
+                    _logger.error(MESSAGES.getMessage("no.synchronization.registered", client.getSymbolicName() + '/' + client.getVersion(), unitName, properties));
+                }
             } else {
                 _logger.debug("No bundle: this must be a dry, parse only run.");
             }

Modified: aries/trunk/jpa/jpa-blueprint-aries/src/main/resources/org/apache/aries/jpa/blueprint/aries/nls/ariesBlueprintJpaMessages.properties
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-blueprint-aries/src/main/resources/org/apache/aries/jpa/blueprint/aries/nls/ariesBlueprintJpaMessages.properties?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-blueprint-aries/src/main/resources/org/apache/aries/jpa/blueprint/aries/nls/ariesBlueprintJpaMessages.properties (original)
+++ aries/trunk/jpa/jpa-blueprint-aries/src/main/resources/org/apache/aries/jpa/blueprint/aries/nls/ariesBlueprintJpaMessages.properties Fri Sep  5 09:35:04 2014
@@ -41,4 +41,5 @@ jpa.support.gone=Managed persistence con
 # {0} The index
 index.not.a.number=Unable to parse {0}. An index must be a number.
 # {0} The map of properties
-map.not.well.formed=An unexpected condition was encountered. The map of JPA properties did not contain the expected data.
\ No newline at end of file
+map.not.well.formed=An unexpected condition was encountered. The map of JPA properties did not contain the expected data.
+no.synchronization.registered=No org.apache.aries.jpa.container.sync.Synchronization service registered.
\ No newline at end of file

Modified: aries/trunk/jpa/jpa-container-context/pom.xml
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-container-context/pom.xml?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-container-context/pom.xml (original)
+++ aries/trunk/jpa/jpa-container-context/pom.xml Fri Sep  5 09:35:04 2014
@@ -90,7 +90,7 @@
         <dependency>
             <groupId>org.apache.aries.jpa</groupId>
             <artifactId>org.apache.aries.jpa.api</artifactId>
-            <version>1.0.1</version>
+            <version>1.0.2-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>

Modified: aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/ManagedPersistenceContextFactory.java
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/ManagedPersistenceContextFactory.java?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/ManagedPersistenceContextFactory.java (original)
+++ aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/ManagedPersistenceContextFactory.java Fri Sep  5 09:35:04 2014
@@ -22,7 +22,6 @@ import java.security.AccessController;
 import java.security.PrivilegedAction;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.concurrent.atomic.AtomicReference;
 
@@ -31,10 +30,12 @@ import javax.persistence.criteria.Criter
 import javax.persistence.metamodel.Metamodel;
 
 import org.apache.aries.jpa.container.context.PersistenceContextProvider;
+import org.apache.aries.jpa.container.sync.Synchronization;
 import org.apache.aries.jpa.container.context.impl.PersistenceContextManager.QuiesceTidyUp;
 import org.apache.aries.jpa.container.context.transaction.impl.DestroyCallback;
 import org.apache.aries.jpa.container.context.transaction.impl.JTAEntityManager;
 import org.apache.aries.jpa.container.context.transaction.impl.JTAPersistenceContextRegistry;
+import org.osgi.framework.Bundle;
 import org.osgi.framework.ServiceReference;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -47,7 +48,7 @@ import org.slf4j.LoggerFactory;
  * <p/>
  * Also this class receives a callback on cleanup
  */
-public class ManagedPersistenceContextFactory implements EntityManagerFactory, DestroyCallback {
+public class ManagedPersistenceContextFactory implements Synchronization, EntityManagerFactory, DestroyCallback {
     /**
      * Logger
      */
@@ -59,6 +60,7 @@ public class ManagedPersistenceContextFa
     private final PersistenceContextType type;
     private final AtomicLong activeCount = new AtomicLong(0);
     private final String unitName;
+    private final JTAEntityManager em;
 
     private final AtomicReference<QuiesceTidyUp> tidyUp = new AtomicReference<QuiesceTidyUp>();
 
@@ -71,13 +73,6 @@ public class ManagedPersistenceContextFa
         registry = contextRegistry;
         //Remove our internal property so that it doesn't get passed on the createEntityManager call
         type = (PersistenceContextType) properties.remove(PersistenceContextProvider.PERSISTENCE_CONTEXT_TYPE);
-    }
-
-    public EntityManager createEntityManager() {
-        if (_logger.isDebugEnabled()) {
-            _logger.debug("Creating a container managed entity manager for the perstence unit {} with the following properties {}",
-                    new Object[]{emf, properties});
-        }
         //Getting the BundleContext is a privileged operation that the
         //client might not be able to do.
         EntityManagerFactory factory = AccessController.doPrivileged(
@@ -86,16 +81,34 @@ public class ManagedPersistenceContextFa
                         return (EntityManagerFactory) emf.getBundle().getBundleContext().getService(emf);
                     }
                 });
+        em = new JTAEntityManager(factory, properties, registry, activeCount, this);
+    }
+
+    public EntityManager createEntityManager() {
+        if (_logger.isDebugEnabled()) {
+            _logger.debug("Creating a container managed entity manager for the perstence unit {} with the following properties {}",
+                    new Object[]{emf, properties});
+        }
 
-        if (type == PersistenceContextType.TRANSACTION || type == null)
-            return new JTAEntityManager(factory, properties, registry, activeCount, this);
-        else {
+        if (type == PersistenceContextType.TRANSACTION || type == null) {
+            return em;
+        } else {
             _logger.error(NLS.MESSAGES.getMessage("extended.em.not.supported"));
             return null;
         }
 
     }
 
+    @Override
+    public void preCall() {
+        em.preCall();
+    }
+
+    @Override
+    public void postCall() {
+        em.postCall();
+    }
+
     public void close() {
         throw new UnsupportedOperationException();
     }

Modified: aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/PersistenceContextManager.java
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/PersistenceContextManager.java?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/PersistenceContextManager.java (original)
+++ aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/impl/PersistenceContextManager.java Fri Sep  5 09:35:04 2014
@@ -34,6 +34,7 @@ import javax.persistence.PersistenceCont
 
 import org.apache.aries.jpa.container.PersistenceUnitConstants;
 import org.apache.aries.jpa.container.context.PersistenceContextProvider;
+import org.apache.aries.jpa.container.sync.Synchronization;
 import org.apache.aries.jpa.container.context.transaction.impl.DestroyCallback;
 import org.apache.aries.jpa.container.context.transaction.impl.JTAPersistenceContextRegistry;
 import org.apache.aries.util.AriesFrameworkUtil;
@@ -284,7 +285,8 @@ public class PersistenceContextManager e
       
       BundleContext persistenceBundleContext = unit.getBundle().getBundleContext();
       reg = persistenceBundleContext.registerService(
-          EntityManagerFactory.class.getName(), entityManagerServiceFactory, props);
+          new String[]{EntityManagerFactory.class.getName(),
+                  Synchronization.class.getName()}, entityManagerServiceFactory, props);
     } finally {
       //As we have to register from outside a synchronized then someone may be trying to
       //unregister us. They will try to wait for us to finish, but in order to prevent 

Modified: aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/transaction/impl/JTAEntityManager.java
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/transaction/impl/JTAEntityManager.java?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/transaction/impl/JTAEntityManager.java (original)
+++ aries/trunk/jpa/jpa-container-context/src/main/java/org/apache/aries/jpa/container/context/transaction/impl/JTAEntityManager.java Fri Sep  5 09:35:04 2014
@@ -20,6 +20,8 @@ package org.apache.aries.jpa.container.c
 
 import java.util.List;
 import java.util.Map;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
 
 import javax.persistence.*;
@@ -29,6 +31,7 @@ import javax.persistence.criteria.Criter
 import javax.persistence.criteria.CriteriaUpdate;
 import javax.persistence.metamodel.Metamodel;
 
+import org.apache.aries.jpa.container.sync.Synchronization;
 import org.apache.aries.jpa.container.context.impl.NLS;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -36,7 +39,7 @@ import org.slf4j.LoggerFactory;
 /**
  * A <code>PersistenceContextType.TRANSACTION</code> {@link EntityManager} instance
  */
-public class JTAEntityManager implements EntityManager {
+public class JTAEntityManager implements EntityManager, Synchronization {
 
     /**
      * Logger
@@ -65,11 +68,16 @@ public class JTAEntityManager implements
     private final DestroyCallback callback;
 
 
-    /**
-     * The entity manager to use when there is no transaction. Note that there is one of these
-     * per injection site.
-     */
-    private EntityManager detachedManager = null;
+    private final ThreadLocal<AtomicInteger> activeCalls = new ThreadLocal<AtomicInteger>() {
+        @Override
+        protected AtomicInteger initialValue() {
+            return new AtomicInteger(0);
+        }
+    };
+
+    private final ThreadLocal<EntityManager> activeManager = new ThreadLocal<EntityManager>();
+
+    private final ConcurrentLinkedQueue<EntityManager> pool = new ConcurrentLinkedQueue<EntityManager>();
 
     public JTAEntityManager(EntityManagerFactory factory,
                             Map<String, Object> properties, JTAPersistenceContextRegistry registry, AtomicLong activeCount,
@@ -81,6 +89,21 @@ public class JTAEntityManager implements
         callback = onDestroy;
     }
 
+    public void preCall() {
+        activeCalls.get().incrementAndGet();
+    }
+
+    public void postCall() {
+        if (activeCalls.get().decrementAndGet() == 0) {
+            EntityManager manager = activeManager.get();
+            if (manager != null) {
+                activeManager.set(null);
+                manager.clear();
+                pool.add(manager);
+            }
+        }
+    }
+
     /**
      * Get the target persistence context
      *
@@ -90,28 +113,31 @@ public class JTAEntityManager implements
      */
     private EntityManager getPersistenceContext(boolean forceTransaction) {
         if (forceTransaction) {
+            EntityManager manager = activeManager.get();
+            if (manager != null) {
+                manager.clear();
+            }
             return reg.getCurrentPersistenceContext(emf, props, instanceCount, callback);
         } else {
             if (reg.isTransactionActive()) {
+                EntityManager manager = activeManager.get();
+                if (manager != null) {
+                    manager.clear();
+                }
                 return reg.getCurrentPersistenceContext(emf, props, instanceCount, callback);
             } else {
                 if (!!!reg.jtaIntegrationAvailable() && _logger.isDebugEnabled())
                     _logger.debug("No integration with JTA transactions is available. No transaction context is active.");
 
-                if (detachedManager == null) {
-                    EntityManager temp = emf.createEntityManager(props);
-
-                    synchronized (this) {
-                        if (detachedManager == null) {
-                            detachedManager = new SynchronizedEntityManagerWrapper(temp);
-                            temp = null;
-                        }
+                EntityManager manager = activeManager.get();
+                if (manager == null) {
+                    manager = pool.poll();
+                    if (manager == null) {
+                        manager = emf.createEntityManager(props);
                     }
-
-                    if (temp != null)
-                        temp.close();
+                    activeManager.set(manager);
                 }
-                return detachedManager;
+                return manager;
             }
         }
     }
@@ -120,15 +146,10 @@ public class JTAEntityManager implements
      * Called reflectively by blueprint
      */
     public void internalClose() {
-        EntityManager temp = null;
-
-        synchronized (this) {
-            temp = detachedManager;
-            detachedManager = null;
-        }
-
-        if (temp != null)
+        EntityManager temp;
+        while ((temp = pool.poll()) != null) {
             temp.close();
+        }
     }
 
     public void clear() {
@@ -140,74 +161,32 @@ public class JTAEntityManager implements
     }
 
     public boolean contains(Object arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.contains(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).contains(arg0);
     }
 
     public Query createNamedQuery(String arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createNamedQuery(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createNamedQuery(arg0);
     }
 
     public Query createNativeQuery(String arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createNativeQuery(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createNativeQuery(arg0);
     }
 
     @SuppressWarnings("unchecked")
     public Query createNativeQuery(String arg0, Class arg1) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createNativeQuery(arg0, arg1);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createNativeQuery(arg0, arg1);
     }
 
     public Query createNativeQuery(String arg0, String arg1) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createNativeQuery(arg0, arg1);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createNativeQuery(arg0, arg1);
     }
 
     public Query createQuery(String arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createQuery(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createQuery(arg0);
     }
 
     public <T> T find(Class<T> arg0, Object arg1) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.find(arg0, arg1);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).find(arg0, arg1);
     }
 
     /**
@@ -226,13 +205,7 @@ public class JTAEntityManager implements
     }
 
     public <T> T getReference(Class<T> arg0, Object arg1) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.getReference(arg0, arg1);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).getReference(arg0, arg1);
     }
 
     public EntityTransaction getTransaction() {
@@ -287,127 +260,57 @@ public class JTAEntityManager implements
     }
 
     public void setFlushMode(FlushModeType arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            em.setFlushMode(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        getPersistenceContext(false).setFlushMode(arg0);
     }
 
     public <T> TypedQuery<T> createNamedQuery(String arg0, Class<T> arg1) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createNamedQuery(arg0, arg1);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createNamedQuery(arg0, arg1);
     }
 
     public <T> TypedQuery<T> createQuery(CriteriaQuery<T> arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createQuery(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createQuery(arg0);
     }
 
     public <T> TypedQuery<T> createQuery(String arg0, Class<T> arg1) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createQuery(arg0, arg1);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createQuery(arg0, arg1);
     }
 
     public void detach(Object arg0) {
-        EntityManager em = getPersistenceContext(false);
-        //The detatched manager auto-detaches everything, so only
-        //detach from a "real" entity manager
-        if (em != detachedManager)
-            em.detach(arg0);
+        getPersistenceContext(false).detach(arg0);
     }
 
     public <T> T find(Class<T> arg0, Object arg1, Map<String, Object> arg2) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.find(arg0, arg1, arg2);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).find(arg0, arg1, arg2);
     }
 
     /**
      * @throws TransactionRequiredException if lock mode is not NONE
      */
     public <T> T find(Class<T> arg0, Object arg1, LockModeType arg2) {
-        EntityManager em = getPersistenceContext(arg2 != LockModeType.NONE);
-        try {
-            return em.find(arg0, arg1, arg2);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(arg2 != LockModeType.NONE).find(arg0, arg1, arg2);
     }
 
     /**
      * @throws TransactionRequiredException if lock mode is not NONE
      */
     public <T> T find(Class<T> arg0, Object arg1, LockModeType arg2, Map<String, Object> arg3) {
-        EntityManager em = getPersistenceContext(arg2 != LockModeType.NONE);
-        try {
-            return em.find(arg0, arg1, arg2, arg3);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(arg2 != LockModeType.NONE).find(arg0, arg1, arg2, arg3);
     }
 
     public StoredProcedureQuery createStoredProcedureQuery(String arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createStoredProcedureQuery(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createStoredProcedureQuery(arg0);
     }
 
     public StoredProcedureQuery createStoredProcedureQuery(String arg0, Class ... arg1) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createStoredProcedureQuery(arg0, arg1);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createStoredProcedureQuery(arg0, arg1);
     }
 
     public StoredProcedureQuery createStoredProcedureQuery(String arg0, String ... arg1) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createStoredProcedureQuery(arg0, arg1);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createStoredProcedureQuery(arg0, arg1);
     }
 
     public StoredProcedureQuery createNamedStoredProcedureQuery(String arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createNamedStoredProcedureQuery(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createNamedStoredProcedureQuery(arg0);
     }
 
     public CriteriaBuilder getCriteriaBuilder() {
@@ -462,83 +365,35 @@ public class JTAEntityManager implements
     }
 
     public void setProperty(String arg0, Object arg1) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            em.setProperty(arg0, arg1);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        getPersistenceContext(false).setProperty(arg0, arg1);
     }
 
     public <T> T unwrap(Class<T> arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.unwrap(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).unwrap(arg0);
     }
 
     public Query createQuery(CriteriaUpdate arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createQuery(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createQuery(arg0);
     }
 
     public Query createQuery(CriteriaDelete arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createQuery(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createQuery(arg0);
     }
 
     public <T> EntityGraph<T> createEntityGraph(Class<T> arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createEntityGraph(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createEntityGraph(arg0);
     }
 
     public EntityGraph<?> createEntityGraph(String arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.createEntityGraph(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).createEntityGraph(arg0);
     }
 
     public EntityGraph<?> getEntityGraph(String arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.getEntityGraph(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).getEntityGraph(arg0);
     }
 
     public <T> List<EntityGraph<? super T>> getEntityGraphs(Class<T> arg0) {
-        EntityManager em = getPersistenceContext(false);
-        try {
-            return em.getEntityGraphs(arg0);
-        } finally {
-            if (em == detachedManager)
-                em.clear();
-        }
+        return getPersistenceContext(false).getEntityGraphs(arg0);
     }
 
 }

Modified: aries/trunk/jpa/jpa-container-itest/pom.xml
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-container-itest/pom.xml?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-container-itest/pom.xml (original)
+++ aries/trunk/jpa/jpa-container-itest/pom.xml Fri Sep  5 09:35:04 2014
@@ -105,7 +105,7 @@
         <dependency>
             <artifactId>org.apache.aries.jpa.api</artifactId>
             <groupId>org.apache.aries.jpa</groupId>
-            <version>1.0.0</version>
+            <version>1.0.2-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>

Modified: aries/trunk/jpa/jpa-container-itest/src/test/java/org/apache/aries/jpa/context/itest/JPAContextTest.java
URL: http://svn.apache.org/viewvc/aries/trunk/jpa/jpa-container-itest/src/test/java/org/apache/aries/jpa/context/itest/JPAContextTest.java?rev=1622664&r1=1622663&r2=1622664&view=diff
==============================================================================
--- aries/trunk/jpa/jpa-container-itest/src/test/java/org/apache/aries/jpa/context/itest/JPAContextTest.java (original)
+++ aries/trunk/jpa/jpa-container-itest/src/test/java/org/apache/aries/jpa/context/itest/JPAContextTest.java Fri Sep  5 09:35:04 2014
@@ -333,9 +333,9 @@ public abstract class JPAContextTest ext
     assertEquals("black", list.get(0).getColour());
     assertEquals("C3CCC", list.get(0).getNumberPlate());
     
-    assertEquals(5, list.get(1).getNumberOfSeats());
-    assertEquals(1200, list.get(1).getEngineSize());
-    assertEquals("blue", list.get(1).getColour());
+    assertEquals(2, list.get(1).getNumberOfSeats());
+    assertEquals(2000, list.get(1).getEngineSize());
+    assertEquals("red", list.get(1).getColour());
     assertEquals("A1AAA", list.get(1).getNumberPlate());
   }