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Posted to oak-commits@jackrabbit.apache.org by mr...@apache.org on 2015/03/05 00:08:19 UTC

svn commit: r1664184 - in /jackrabbit/oak/trunk: oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/ oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/ oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/repository/ oak-jcr/src/test...

Author: mreutegg
Date: Wed Mar  4 23:08:18 2015
New Revision: 1664184

URL: http://svn.apache.org/r1664184
Log:
OAK-2576: ServiceEvent on each session login/logout

Applied patch from Michael Duerig

Added:
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/DelegatingGCMonitor.java   (with props)
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/GCMonitorTracker.java
      - copied, changed from r1664170, jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/GCMonitorTracker.java
Removed:
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/GCMonitorTracker.java
Modified:
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/SegmentNodeStoreService.java
    jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/repository/RepositoryImpl.java
    jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/RefreshOnGCTest.java

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/SegmentNodeStoreService.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/SegmentNodeStoreService.java?rev=1664184&r1=1664183&r2=1664184&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/SegmentNodeStoreService.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/SegmentNodeStoreService.java Wed Mar  4 23:08:18 2015
@@ -70,6 +70,7 @@ import org.apache.jackrabbit.oak.spi.blo
 import org.apache.jackrabbit.oak.spi.commit.Observable;
 import org.apache.jackrabbit.oak.spi.commit.Observer;
 import org.apache.jackrabbit.oak.spi.gc.GCMonitor;
+import org.apache.jackrabbit.oak.spi.gc.GCMonitorTracker;
 import org.apache.jackrabbit.oak.spi.state.NodeStore;
 import org.apache.jackrabbit.oak.spi.state.ProxyNodeStore;
 import org.apache.jackrabbit.oak.spi.state.RevisionGC;

Added: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/DelegatingGCMonitor.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/DelegatingGCMonitor.java?rev=1664184&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/DelegatingGCMonitor.java (added)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/DelegatingGCMonitor.java Wed Mar  4 23:08:18 2015
@@ -0,0 +1,95 @@
+/*
+ * 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.spi.gc;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static com.google.common.collect.Sets.newConcurrentHashSet;
+
+import java.util.Set;
+
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.oak.spi.whiteboard.Registration;
+
+/**
+ * This {@link GCMonitor} implementation simply delegates all its call
+ * to registered monitors.
+ */
+public class DelegatingGCMonitor implements GCMonitor {
+    private final Set<GCMonitor> gcMonitors = newConcurrentHashSet();
+
+    /**
+     * Register a {@link GCMonitor}.
+     * @param gcMonitor
+     * @return  a {@link Registration} instance, which removes the registered
+     *          {@code GCMonitor} instance when called.
+     */
+    public Registration registerGCMonitor(@Nonnull final GCMonitor gcMonitor) {
+        gcMonitors.add(checkNotNull(gcMonitor));
+        return new Registration() {
+            @Override
+            public void unregister() {
+                gcMonitors.remove(gcMonitor);
+            }
+        };
+    }
+
+    @Override
+    public void info(String message, Object... arguments) {
+        for (GCMonitor gcMonitor : gcMonitors) {
+            gcMonitor.info(message, arguments);
+        }
+    }
+
+    @Override
+    public void warn(String message, Object... arguments) {
+        for (GCMonitor gcMonitor : gcMonitors) {
+            gcMonitor.warn(message, arguments);
+        }
+    }
+
+    @Override
+    public void error(String message, Exception exception) {
+        for (GCMonitor gcMonitor : gcMonitors) {
+            gcMonitor.error(message, exception);
+        }
+    }
+
+    @Override
+    public void skipped(String reason, Object... arguments) {
+        for (GCMonitor gcMonitor : gcMonitors) {
+            gcMonitor.skipped(reason, arguments);
+        }
+    }
+
+    @Override
+    public void compacted() {
+        for (GCMonitor gcMonitor : gcMonitors) {
+            gcMonitor.compacted();
+        }
+    }
+
+    @Override
+    public void cleaned(long reclaimedSize, long currentSize) {
+        for (GCMonitor gcMonitor : gcMonitors) {
+            gcMonitor.cleaned(reclaimedSize, currentSize);
+        }
+    }
+}

Propchange: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/DelegatingGCMonitor.java
------------------------------------------------------------------------------
    svn:eol-style = native

Copied: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/GCMonitorTracker.java (from r1664170, jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/GCMonitorTracker.java)
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/GCMonitorTracker.java?p2=jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/GCMonitorTracker.java&p1=jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/GCMonitorTracker.java&r1=1664170&r2=1664184&rev=1664184&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/GCMonitorTracker.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/spi/gc/GCMonitorTracker.java Wed Mar  4 23:08:18 2015
@@ -17,9 +17,8 @@
  * under the License.
  */
 
-package org.apache.jackrabbit.oak.plugins.segment;
+package org.apache.jackrabbit.oak.spi.gc;
 
-import org.apache.jackrabbit.oak.spi.gc.GCMonitor;
 import org.apache.jackrabbit.oak.spi.whiteboard.AbstractServiceTracker;
 import org.apache.jackrabbit.oak.spi.whiteboard.Whiteboard;
 

Modified: jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/repository/RepositoryImpl.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/repository/RepositoryImpl.java?rev=1664184&r1=1664183&r2=1664184&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/repository/RepositoryImpl.java (original)
+++ jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/repository/RepositoryImpl.java Wed Mar  4 23:08:18 2015
@@ -56,6 +56,7 @@ import org.apache.jackrabbit.oak.jcr.ses
 import org.apache.jackrabbit.oak.jcr.session.SessionContext;
 import org.apache.jackrabbit.oak.jcr.session.SessionStats;
 import org.apache.jackrabbit.oak.plugins.observation.CommitRateLimiter;
+import org.apache.jackrabbit.oak.spi.gc.DelegatingGCMonitor;
 import org.apache.jackrabbit.oak.spi.gc.GCMonitor;
 import org.apache.jackrabbit.oak.spi.security.SecurityProvider;
 import org.apache.jackrabbit.oak.spi.whiteboard.Registration;
@@ -97,8 +98,9 @@ public class RepositoryImpl implements J
     private final SecurityProvider securityProvider;
     private final int observationQueueLength;
     private final CommitRateLimiter commitRateLimiter;
-
     private final Clock clock;
+    private final DelegatingGCMonitor gcMonitor = new DelegatingGCMonitor();
+    private final Registration gcMonitorRegistration;
 
     /**
      * {@link ThreadLocal} counter that keeps track of the save operations
@@ -131,6 +133,7 @@ public class RepositoryImpl implements J
         this.descriptors = determineDescriptors();
         this.statisticManager = new StatisticManager(whiteboard, scheduledExecutor);
         this.clock = new Clock.Fast(scheduledExecutor);
+        this.gcMonitorRegistration = whiteboard.register(GCMonitor.class, gcMonitor, emptyMap());
     }
 
     //---------------------------------------------------------< Repository >---
@@ -273,7 +276,7 @@ public class RepositoryImpl implements J
             RefreshStrategy refreshStrategy,
             ContentSession contentSession) {
 
-        final RefreshOnGC refreshOnGC = new RefreshOnGC();
+        final RefreshOnGC refreshOnGC = new RefreshOnGC(gcMonitor);
         refreshStrategy = Composite.create(refreshStrategy, refreshOnGC);
 
         return new SessionDelegate(
@@ -298,6 +301,7 @@ public class RepositoryImpl implements J
     @Override
     public void shutdown() {
         statisticManager.dispose();
+        gcMonitorRegistration.unregister();
         scheduledExecutor.shutdown();
         if (contentRepository instanceof Closeable) {
             IOUtils.closeQuietly((Closeable) contentRepository);
@@ -451,21 +455,21 @@ public class RepositoryImpl implements J
         }
     }
 
-    private class RefreshOnGC implements RefreshStrategy {
-        private final GCMonitor gcMonitor = new GCMonitor.Empty() {
-            @Override
-            public void compacted() {
-                compacted = true;
-            }
-        };
-
-        private final Registration reg = whiteboard.register(GCMonitor.class, gcMonitor, emptyMap());
-
+    private static class RefreshOnGC extends GCMonitor.Empty implements RefreshStrategy {
+        private final Registration registration;
         private volatile boolean compacted;
-        private int refreshCount;
+
+        public RefreshOnGC(DelegatingGCMonitor gcMonitor) {
+            registration = gcMonitor.registerGCMonitor(this);
+        }
 
         public void close() {
-            reg.unregister();
+            registration.unregister();
+        }
+
+        @Override
+        public void compacted() {
+            compacted = true;
         }
 
         @Override

Modified: jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/RefreshOnGCTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/RefreshOnGCTest.java?rev=1664184&r1=1664183&r2=1664184&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/RefreshOnGCTest.java (original)
+++ jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/RefreshOnGCTest.java Wed Mar  4 23:08:18 2015
@@ -39,7 +39,7 @@ import javax.jcr.SimpleCredentials;
 
 import org.apache.jackrabbit.api.JackrabbitRepository;
 import org.apache.jackrabbit.oak.Oak;
-import org.apache.jackrabbit.oak.plugins.segment.GCMonitorTracker;
+import org.apache.jackrabbit.oak.spi.gc.GCMonitorTracker;
 import org.apache.jackrabbit.oak.plugins.segment.SegmentNodeStore;
 import org.apache.jackrabbit.oak.plugins.segment.compaction.CompactionStrategy;
 import org.apache.jackrabbit.oak.plugins.segment.file.FileStore;