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Posted to oak-commits@jackrabbit.apache.org by ch...@apache.org on 2015/04/10 07:55:34 UTC

svn commit: r1672555 - in /jackrabbit/oak/branches/1.0: ./ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/ oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/ oak-core/src/main/java/org/apache/jackrabbi...

Author: chetanm
Date: Fri Apr 10 05:55:33 2015
New Revision: 1672555

URL: http://svn.apache.org/r1672555
Log:
OAK-2669 - Use Consolidated diff for local changes with persistent cache to avoid calculating diff again

Merging 1672277

Added:
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/LocalDiffCache.java
      - copied unchanged from r1672277, jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/LocalDiffCache.java
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ContentChangeInfo.java
      - copied unchanged from r1672277, jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ContentChangeInfo.java
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ContentChangeInfoProvider.java
      - copied unchanged from r1672277, jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/ContentChangeInfoProvider.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LocalDiffCacheTest.java
      - copied unchanged from r1672277, jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/LocalDiffCacheTest.java
Modified:
    jackrabbit/oak/branches/1.0/   (props changed)
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Commit.java
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentMK.java
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreService.java
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/CacheType.java
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/PersistentCache.java
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/EventGenerator.java
    jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/NodeObserver.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/AbstractMongoConnectionTest.java
    jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreDiffTest.java
    jackrabbit/oak/branches/1.0/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/observation/EventQueue.java

Propchange: jackrabbit/oak/branches/1.0/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Fri Apr 10 05:55:33 2015
@@ -1,2 +1,2 @@
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 /jackrabbit/trunk:1345480

Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Commit.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Commit.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Commit.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/Commit.java Fri Apr 10 05:55:33 2015
@@ -571,7 +571,7 @@ public class Commit {
             }
             list.add(p);
         }
-        DiffCache.Entry cacheEntry = nodeStore.getDiffCache().newEntry(before, revision);
+        DiffCache.Entry cacheEntry = nodeStore.getLocalDiffCache().newEntry(before, revision);
         List<String> added = new ArrayList<String>();
         List<String> removed = new ArrayList<String>();
         List<String> changed = new ArrayList<String>();

Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentMK.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentMK.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentMK.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentMK.java Fri Apr 10 05:55:33 2015
@@ -498,11 +498,13 @@ public class DocumentMK implements Micro
         private DocumentNodeStore nodeStore;
         private DocumentStore documentStore;
         private DiffCache diffCache;
+        private LocalDiffCache localDiffCache;
         private BlobStore blobStore;
         private int clusterId  = Integer.getInteger("oak.documentMK.clusterId", 0);
         private int asyncDelay = 1000;
         private boolean timing;
         private boolean logging;
+        private boolean disableLocalDiffCache = Boolean.getBoolean("oak.documentMK.disableLocalDiffCache");
         private Weigher<CacheValue, CacheValue> weigher = new EmpiricalWeigher();
         private long memoryCacheSize = DEFAULT_MEMORY_CACHE_SIZE;
         private int nodeCachePercentage = DEFAULT_NODE_CACHE_PERCENTAGE;
@@ -668,6 +670,18 @@ public class DocumentMK implements Micro
             return diffCache;
         }
 
+        public LocalDiffCache getLocalDiffCache() {
+            if (localDiffCache == null && !disableLocalDiffCache) {
+                localDiffCache = new LocalDiffCache(this);
+            }
+            return localDiffCache;
+        }
+
+        public Builder setDisableLocalDiffCache(boolean disableLocalDiffCache) {
+            this.disableLocalDiffCache = disableLocalDiffCache;
+            return this;
+        }
+
         public Builder setDiffCache(DiffCache diffCache) {
             this.diffCache = diffCache;
             return this;
@@ -879,6 +893,10 @@ public class DocumentMK implements Micro
             return buildCache(CacheType.DIFF, getDiffCacheSize(), null, null);
         }
 
+        public Cache<StringValue, LocalDiffCache.ConsolidatedDiff> buildConsolidatedDiffCache() {
+            return buildCache(CacheType.CONSOLIDATED_DIFF, getDiffCacheSize(), null, null);
+        }
+
         public Cache<CacheValue, NodeDocument> buildDocumentCache(DocumentStore docStore) {
             return buildCache(CacheType.DOCUMENT, getDocumentCacheSize(), null, docStore);
         }

Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStore.java Fri Apr 10 05:55:33 2015
@@ -78,6 +78,8 @@ import org.apache.jackrabbit.oak.plugins
 import org.apache.jackrabbit.oak.plugins.document.mongo.MongoBlobReferenceIterator;
 import org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore;
 import org.apache.jackrabbit.oak.plugins.document.persistentCache.PersistentCache;
+import org.apache.jackrabbit.oak.plugins.observation.ContentChangeInfo;
+import org.apache.jackrabbit.oak.plugins.observation.ContentChangeInfoProvider;
 import org.apache.jackrabbit.oak.spi.blob.BlobStore;
 import org.apache.jackrabbit.oak.commons.json.JsopStream;
 import org.apache.jackrabbit.oak.commons.json.JsopWriter;
@@ -307,6 +309,8 @@ public final class DocumentNodeStore
      */
     private final DiffCache diffCache;
 
+    private final LocalDiffCache localDiffCache;
+
     /**
      * The blob store.
      */
@@ -413,6 +417,7 @@ public final class DocumentNodeStore
                 builder.getWeigher(), builder.getDocChildrenCacheSize());
 
         diffCache = builder.getDiffCache();
+        localDiffCache = builder.getLocalDiffCache();
         checkpoints = new Checkpoints(this);
 
         // check if root node exists
@@ -1331,33 +1336,62 @@ public final class DocumentNodeStore
      */
     boolean compare(@Nonnull final DocumentNodeState node,
                     @Nonnull final DocumentNodeState base,
-                    @Nonnull final NodeStateDiff diff) {
+                    @Nonnull NodeStateDiff diff) {
         if (!AbstractNodeState.comparePropertiesAgainstBaseState(node, base, diff)) {
             return false;
         }
         if (node.hasNoChildren() && base.hasNoChildren()) {
             return true;
         }
+        String jsop = getJsopDiffIfLocalChange(diff, node);
+
         boolean useReadRevision = true;
-        // first lookup with read revisions of nodes and without loader
-        String jsop = diffCache.getChanges(base.getRevision(),
-                node.getRevision(), node.getPath(), null);
         if (jsop == null) {
-            useReadRevision = false;
-            // fall back to last revisions with loader, this
-            // guarantees we get a diff
-            jsop = diffCache.getChanges(base.getLastRevision(),
-                    node.getLastRevision(), node.getPath(),
-                    new DiffCache.Loader() {
-                        @Override
-                        public String call() {
-                            return diffImpl(base, node);
-                        }
-                    });
+            // first lookup with read revisions of nodes and without loader
+            jsop = diffCache.getChanges(base.getRevision(),
+                    node.getRevision(), node.getPath(), null);
+            if (jsop == null) {
+                useReadRevision = false;
+                // fall back to last revisions with loader, this
+                // guarantees we get a diff
+                jsop = diffCache.getChanges(base.getLastRevision(),
+                        node.getLastRevision(), node.getPath(),
+                        new DiffCache.Loader() {
+                            @Override
+                            public String call() {
+                                return diffImpl(base, node);
+                            }
+                        });
+            }
         }
         return dispatch(jsop, node, base, diff, useReadRevision);
     }
 
+    @CheckForNull
+    private String getJsopDiffIfLocalChange(NodeStateDiff diff, DocumentNodeState nodeState) {
+        if (localDiffCache == null){
+            //Local diff cache support not enabled
+            return null;
+        }
+
+        if (diff instanceof ContentChangeInfoProvider){
+            ContentChangeInfo info = ((ContentChangeInfoProvider) diff).getChangeInfo();
+            if (info.isLocalChange() && info.getAfter() instanceof DocumentNodeState){
+                DocumentNodeState rootAfterState = (DocumentNodeState) info.getAfter();
+                DocumentNodeState rootBeforeState = (DocumentNodeState) info.getBefore();
+                String jsopDiff = localDiffCache.getChanges(rootBeforeState.getRevision(),
+                        rootAfterState.getRevision(),
+                        nodeState.getPath(),
+                        null);
+                if (jsopDiff != null){
+                    LOG.trace("Got diff from local cache for path {}", nodeState.getPath());
+                    return jsopDiff;
+                }
+            }
+        }
+        return null;
+    }
+
     String diff(@Nonnull final String fromRevisionId,
                 @Nonnull final String toRevisionId,
                 @Nonnull final String path) throws DocumentStoreException {
@@ -2403,6 +2437,13 @@ public final class DocumentNodeStore
         return diffCache;
     }
 
+    public DiffCache getLocalDiffCache(){
+        if (localDiffCache != null){
+            return localDiffCache;
+        }
+        return diffCache;
+    }
+
     public Clock getClock() {
         return clock;
     }

Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreService.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreService.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreService.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreService.java Fri Apr 10 05:55:33 2015
@@ -458,6 +458,17 @@ public class DocumentNodeStoreService {
                             mcl.getDiffCacheStats().getName()));
         }
 
+        DiffCache localCache = store.getLocalDiffCache();
+        if (localCache instanceof LocalDiffCache) {
+            LocalDiffCache mcl = (LocalDiffCache) localCache;
+            registrations.add(
+                    registerMBean(whiteboard,
+                            CacheStatsMBean.class,
+                            mcl.getDiffCacheStats(),
+                            CacheStatsMBean.TYPE,
+                            mcl.getDiffCacheStats().getName()));
+        }
+
         DocumentStore ds = store.getDocumentStore();
         if (ds.getCacheStats() != null) {
             registrations.add(

Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/CacheType.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/CacheType.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/CacheType.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/CacheType.java Fri Apr 10 05:55:33 2015
@@ -16,6 +16,7 @@
  */
 package org.apache.jackrabbit.oak.plugins.document.persistentCache;
 
+import org.apache.jackrabbit.oak.plugins.document.LocalDiffCache;
 import org.apache.jackrabbit.oak.plugins.document.DocumentNodeState;
 import org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore;
 import org.apache.jackrabbit.oak.plugins.document.DocumentStore;
@@ -102,6 +103,32 @@ public enum CacheType {
             return (V) StringValue.fromString(value);
         }
     },
+
+    CONSOLIDATED_DIFF {
+        @Override
+        public <K> String keyToString(K key) {
+            return ((StringValue) key).asString();
+        }
+        @SuppressWarnings("unchecked")
+        @Override
+        public <K> K keyFromString(String key) {
+            return (K) StringValue.fromString(key);
+        }
+        @Override
+        public <K> int compareKeys(K a, K b) {
+            return ((StringValue) a).asString().compareTo(((StringValue) b).asString());
+        }
+        @Override
+        public <V> String valueToString(V value) {
+            return ((LocalDiffCache.ConsolidatedDiff) value).asString();
+        }
+        @SuppressWarnings("unchecked")
+        @Override
+        public <V> V valueFromString(
+                DocumentNodeStore store, DocumentStore docStore, String value) {
+            return (V) LocalDiffCache.ConsolidatedDiff.fromString(value);
+        }
+    },
     
     DOC_CHILDREN {
         @Override

Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/PersistentCache.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/PersistentCache.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/PersistentCache.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/persistentCache/PersistentCache.java Fri Apr 10 05:55:33 2015
@@ -281,6 +281,9 @@ public class PersistentCache {
         case DIFF:
             wrap = cacheDiff;
             break;
+        case CONSOLIDATED_DIFF:
+            wrap = cacheDiff;
+            break;
         case DOC_CHILDREN:
             wrap = cacheDocChildren;
             break;

Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/EventGenerator.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/EventGenerator.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/EventGenerator.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/EventGenerator.java Fri Apr 10 05:55:33 2015
@@ -76,18 +76,25 @@ public class EventGenerator {
 
     private final LinkedList<Continuation> continuations = newLinkedList();
 
+    private final ContentChangeInfo changeInfo;
+
     /**
      * Creates a new generator instance. Changes to process need to be added
      * through {@link #addHandler(NodeState, NodeState, EventHandler)}
+     * @param changeInfo
      */
-    public EventGenerator() {}
+    public EventGenerator(ContentChangeInfo changeInfo) {
+        this.changeInfo = changeInfo;
+    }
 
     /**
      * Creates a new generator instance for processing the given changes.
      */
     public EventGenerator(
             @Nonnull NodeState before, @Nonnull NodeState after,
+            @Nonnull ContentChangeInfo changeInfo,
             @Nonnull EventHandler handler) {
+        this(changeInfo);
         continuations.addFirst(new Continuation(handler, before, after, 0));
     }
 
@@ -120,7 +127,7 @@ public class EventGenerator {
         }
     }
 
-    private class Continuation implements NodeStateDiff, Runnable {
+    private class Continuation implements NodeStateDiff, Runnable, ContentChangeInfoProvider {
 
         /**
          * Filtered handler of detected content changes.
@@ -176,6 +183,13 @@ public class EventGenerator {
             }
         }
 
+        //-------------------------------------------------< ContentChangeInfoProvider >--
+
+        @Override
+        public ContentChangeInfo getChangeInfo() {
+            return changeInfo;
+        }
+
         //-------------------------------------------------< NodeStateDiff >--
 
         @Override

Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/NodeObserver.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/NodeObserver.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/NodeObserver.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/observation/NodeObserver.java Fri Apr 10 05:55:33 2015
@@ -157,7 +157,8 @@ public abstract class NodeObserver imple
                     handler = handler.getChildHandler(oakName, before, after);
                 }
 
-                EventGenerator generator = new EventGenerator(before, after, handler);
+                ContentChangeInfo changeInfo = new ContentChangeInfo(before, after, info);
+                EventGenerator generator = new EventGenerator(before, after, changeInfo, handler);
                 while (!generator.isDone()) {
                     generator.generate();
                 }

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/AbstractMongoConnectionTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/AbstractMongoConnectionTest.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/AbstractMongoConnectionTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/AbstractMongoConnectionTest.java Fri Apr 10 05:55:33 2015
@@ -16,6 +16,7 @@
  */
 package org.apache.jackrabbit.oak.plugins.document;
 
+import com.mongodb.DB;
 import org.apache.jackrabbit.mk.api.MicroKernel;
 import org.apache.jackrabbit.oak.plugins.document.util.MongoConnection;
 import org.apache.jackrabbit.oak.stats.Clock;
@@ -44,13 +45,17 @@ public abstract class AbstractMongoConne
         mongoConnection = MongoUtils.getConnection();
         MongoUtils.dropCollections(mongoConnection.getDB());
         Revision.setClock(getTestClock());
-        mk = new DocumentMK.Builder().clock(getTestClock()).setMongoDB(mongoConnection.getDB()).open();
+        mk = prepare(new DocumentMK.Builder().clock(getTestClock()),mongoConnection.getDB()).open();
     }
 
     protected Clock getTestClock() throws InterruptedException {
         return Clock.SIMPLE;
     }
 
+    protected DocumentMK.Builder prepare(DocumentMK.Builder builder, DB db){
+        return builder.setMongoDB(db);
+    }
+
     @After
     public void tearDownConnection() throws Exception {
         mk.dispose();

Modified: jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreDiffTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreDiffTest.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreDiffTest.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/DocumentNodeStoreDiffTest.java Fri Apr 10 05:55:33 2015
@@ -16,6 +16,7 @@
  */
 package org.apache.jackrabbit.oak.plugins.document;
 
+import com.mongodb.DB;
 import org.apache.jackrabbit.oak.api.CommitFailedException;
 import org.apache.jackrabbit.oak.cache.CacheStats;
 import org.apache.jackrabbit.oak.spi.commit.CommitInfo;
@@ -72,6 +73,12 @@ public class DocumentNodeStoreDiffTest e
     }
 
     @Override
+    protected DocumentMK.Builder prepare(DocumentMK.Builder builder, DB db) {
+        builder.setDisableLocalDiffCache(true);
+        return super.prepare(builder, db);
+    }
+
+    @Override
     protected Clock getTestClock() throws InterruptedException {
         return new Clock.Virtual();
     }

Modified: jackrabbit/oak/branches/1.0/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/observation/EventQueue.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/observation/EventQueue.java?rev=1672555&r1=1672554&r2=1672555&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/observation/EventQueue.java (original)
+++ jackrabbit/oak/branches/1.0/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/observation/EventQueue.java Fri Apr 10 05:55:33 2015
@@ -29,6 +29,7 @@ import javax.jcr.observation.EventIterat
 
 import org.apache.jackrabbit.oak.commons.PathUtils;
 import org.apache.jackrabbit.oak.namepath.NamePathMapper;
+import org.apache.jackrabbit.oak.plugins.observation.ContentChangeInfo;
 import org.apache.jackrabbit.oak.plugins.observation.EventGenerator;
 import org.apache.jackrabbit.oak.plugins.observation.EventHandler;
 import org.apache.jackrabbit.oak.plugins.observation.FilteredHandler;
@@ -51,7 +52,7 @@ class EventQueue implements EventIterato
             @Nonnull NamePathMapper mapper, CommitInfo info,
             @Nonnull NodeState before, @Nonnull NodeState after,
             @Nonnull Iterable<String> basePaths, @Nonnull EventFilter filter) {
-        this.generator = new EventGenerator();
+        this.generator = new EventGenerator(new ContentChangeInfo(before, after, info));
         EventFactory factory = new EventFactory(mapper, info);
         EventHandler handler = new FilteredHandler(
                 filter, new QueueingHandler(this, factory, before, after));