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Posted to oak-commits@jackrabbit.apache.org by md...@apache.org on 2013/06/05 12:45:19 UTC

svn commit: r1489805 - in /jackrabbit/oak/trunk: oak-core/src/main/java/org/apache/jackrabbit/oak/core/ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/

Author: mduerig
Date: Wed Jun  5 10:45:19 2013
New Revision: 1489805

URL: http://svn.apache.org/r1489805
Log:
OAK-775 Implement backward compatible observation
move listener registration to from ContentRepository to ContentSession

Added:
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/Observable.java   (with props)
Modified:
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentRepositoryImpl.java
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentSessionImpl.java
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ChangeDispatcher.java
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ObservationManagerImpl.java
    jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/SessionContext.java

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentRepositoryImpl.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentRepositoryImpl.java?rev=1489805&r1=1489804&r2=1489805&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentRepositoryImpl.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentRepositoryImpl.java Wed Jun  5 10:45:19 2013
@@ -27,7 +27,6 @@ import javax.security.auth.login.LoginEx
 import org.apache.jackrabbit.oak.api.ContentRepository;
 import org.apache.jackrabbit.oak.api.ContentSession;
 import org.apache.jackrabbit.oak.plugins.observation.ChangeDispatcher;
-import org.apache.jackrabbit.oak.plugins.observation.ChangeDispatcher.Listener;
 import org.apache.jackrabbit.oak.spi.commit.CommitHook;
 import org.apache.jackrabbit.oak.spi.query.CompositeQueryIndexProvider;
 import org.apache.jackrabbit.oak.spi.query.QueryIndexProvider;
@@ -98,8 +97,4 @@ public class ContentRepositoryImpl imple
         return nodeStore;
     }
 
-    public Listener newListener() {
-        return changeDispatcher.newListener();
-    }
-
 }

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentSessionImpl.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentSessionImpl.java?rev=1489805&r1=1489804&r2=1489805&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentSessionImpl.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/core/ContentSessionImpl.java Wed Jun  5 10:45:19 2013
@@ -28,6 +28,8 @@ import org.apache.jackrabbit.oak.api.Aut
 import org.apache.jackrabbit.oak.api.ContentSession;
 import org.apache.jackrabbit.oak.api.Root;
 import org.apache.jackrabbit.oak.plugins.observation.ChangeDispatcher;
+import org.apache.jackrabbit.oak.plugins.observation.ChangeDispatcher.Listener;
+import org.apache.jackrabbit.oak.plugins.observation.Observable;
 import org.apache.jackrabbit.oak.spi.commit.CommitHook;
 import org.apache.jackrabbit.oak.spi.query.QueryIndexProvider;
 import org.apache.jackrabbit.oak.spi.security.SecurityProvider;
@@ -39,7 +41,7 @@ import org.slf4j.LoggerFactory;
 /**
  * {@code MicroKernel}-based implementation of the {@link ContentSession} interface.
  */
-class ContentSessionImpl implements ContentSession {
+class ContentSessionImpl implements ContentSession, Observable {
 
     private static final Logger log = LoggerFactory.getLogger(ContentSessionImpl.class);
 
@@ -110,6 +112,11 @@ class ContentSessionImpl implements Cont
         return root;
     }
 
+    @Override
+    public Listener newListener() {
+        return changeDispatcher.newListener();
+    }
+
     //-----------------------------------------------------------< Closable >---
     @Override
     public synchronized void close() throws IOException {

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ChangeDispatcher.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ChangeDispatcher.java?rev=1489805&r1=1489804&r2=1489805&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ChangeDispatcher.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ChangeDispatcher.java Wed Jun  5 10:45:19 2013
@@ -176,6 +176,7 @@ public class ChangeDispatcher {
         public abstract long getDate();
 
         public void diff(NodeStateDiff diff) {
+            // TODO wrap diff into access check wrapper
             after.compareAgainstBaseState(before, diff);
         }
 

Added: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/Observable.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/Observable.java?rev=1489805&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/Observable.java (added)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/Observable.java Wed Jun  5 10:45:19 2013
@@ -0,0 +1,26 @@
+/*
+ * 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.jackrabbit.oak.plugins.observation;
+
+import org.apache.jackrabbit.oak.plugins.observation.ChangeDispatcher.Listener;
+
+public interface Observable {
+    Listener newListener();
+}

Propchange: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/Observable.java
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    svn:eol-style = native

Propchange: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/Observable.java
------------------------------------------------------------------------------
    svn:keywords = Author Date Id Revision Rev URL

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ObservationManagerImpl.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ObservationManagerImpl.java?rev=1489805&r1=1489804&r2=1489805&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ObservationManagerImpl.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ObservationManagerImpl.java Wed Jun  5 10:45:19 2013
@@ -30,9 +30,9 @@ import javax.jcr.observation.EventListen
 import javax.jcr.observation.EventListenerIterator;
 import javax.jcr.observation.ObservationManager;
 
+import com.google.common.base.Preconditions;
 import org.apache.jackrabbit.commons.iterator.EventListenerIteratorAdapter;
 import org.apache.jackrabbit.oak.api.ContentSession;
-import org.apache.jackrabbit.oak.core.ContentRepositoryImpl;
 import org.apache.jackrabbit.oak.namepath.NamePathMapper;
 import org.apache.jackrabbit.oak.plugins.nodetype.ReadOnlyNodeTypeManager;
 import org.apache.jackrabbit.oak.plugins.observation.ChangeDispatcher.Listener;
@@ -47,16 +47,16 @@ public class ObservationManagerImpl impl
 
     private final Map<EventListener, ChangeProcessor> processors = new HashMap<EventListener, ChangeProcessor>();
     private final AtomicBoolean hasEvents = new AtomicBoolean(false);
-    private final ContentRepositoryImpl contentRepository;
     private final ContentSession contentSession;
     private final ReadOnlyNodeTypeManager ntMgr;
     private final NamePathMapper namePathMapper;
     private final ScheduledExecutorService executor;
 
-    public ObservationManagerImpl(ContentRepositoryImpl contentRepository, ContentSession contentSession,
-            ReadOnlyNodeTypeManager nodeTypeManager, NamePathMapper namePathMapper, ScheduledExecutorService executor) {
+    public ObservationManagerImpl(ContentSession contentSession, ReadOnlyNodeTypeManager nodeTypeManager,
+            NamePathMapper namePathMapper, ScheduledExecutorService executor) {
+
+        Preconditions.checkArgument(contentSession instanceof Observable);
 
-        this.contentRepository = contentRepository;
         this.contentSession = contentSession;
         this.ntMgr = nodeTypeManager;
         this.namePathMapper = namePathMapper;
@@ -139,7 +139,7 @@ public class ObservationManagerImpl impl
     }
 
     Listener newChangeListener() {
-        return contentRepository.newListener();
+        return ((Observable) contentSession).newListener();
     }
 
     public ContentSession getContentSession() {

Modified: jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/SessionContext.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/SessionContext.java?rev=1489805&r1=1489804&r2=1489805&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/SessionContext.java (original)
+++ jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/SessionContext.java Wed Jun  5 10:45:19 2013
@@ -42,7 +42,7 @@ import org.apache.jackrabbit.api.securit
 import org.apache.jackrabbit.api.security.principal.PrincipalManager;
 import org.apache.jackrabbit.api.security.user.UserManager;
 import org.apache.jackrabbit.oak.api.ContentRepository;
-import org.apache.jackrabbit.oak.core.ContentRepositoryImpl;
+import org.apache.jackrabbit.oak.api.ContentSession;
 import org.apache.jackrabbit.oak.jcr.delegate.NodeDelegate;
 import org.apache.jackrabbit.oak.jcr.delegate.PropertyDelegate;
 import org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate;
@@ -57,6 +57,7 @@ import org.apache.jackrabbit.oak.plugins
 import org.apache.jackrabbit.oak.plugins.nodetype.DefinitionProvider;
 import org.apache.jackrabbit.oak.plugins.nodetype.EffectiveNodeTypeProvider;
 import org.apache.jackrabbit.oak.plugins.nodetype.ReadOnlyNodeTypeManager;
+import org.apache.jackrabbit.oak.plugins.observation.Observable;
 import org.apache.jackrabbit.oak.plugins.observation.ObservationManagerImpl;
 import org.apache.jackrabbit.oak.plugins.value.ValueFactoryImpl;
 import org.apache.jackrabbit.oak.spi.security.SecurityConfiguration;
@@ -246,13 +247,13 @@ public abstract class SessionContext imp
     public ObservationManager getObservationManager() throws UnsupportedRepositoryOperationException {
         if (observationManager == null) {
             ContentRepository contentRepository = repository.getContentRepository();
-            if (!(contentRepository instanceof ContentRepositoryImpl)) {
-                throw new UnsupportedRepositoryOperationException("Observation not supported");
+            ContentSession contentSession = getSessionDelegate().getContentSession();
+            if (!(contentSession instanceof Observable)) {
+                throw new UnsupportedRepositoryOperationException("Observation not supported for session " + contentSession);
             }
+
             observationManager = new ObservationManagerImpl(
-                // FIXME avoid casting to implementation
-                ((ContentRepositoryImpl) contentRepository),
-                getSessionDelegate().getContentSession(),
+                contentSession,
                 ReadOnlyNodeTypeManager.getInstance(delegate.getRoot(), namePathMapper),
                 namePathMapper, repository.getObservationExecutor());
         }