Author: chetanm
Date: Mon Nov 23 12:31:26 2015
New Revision: 1715785
URL: http://svn.apache.org/viewvc?rev=1715785&view=rev
Log:
OAK-3667 - Refactor executor closing logic as a utility class
Added:
jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloser.java
(with props)
jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloserTest.java
(with props)
Modified:
jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/package-info.java
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/Oak.java
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/metric/StatisticsProviderFactory.java
jackrabbit/oak/trunk/oak-jcr/src/main/java/org/apache/jackrabbit/oak/jcr/repository/RepositoryImpl.java
Added:
jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloser.java
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloser.java?rev=1715785&view=auto
==============================================================================
---
jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloser.java
(added)
+++
jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloser.java
Mon Nov 23 12:31:26 2015
@@ -0,0 +1,69 @@
+/*
+ * 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.commons.concurrent;
+
+import java.io.Closeable;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.TimeUnit;
+
+import javax.annotation.Nullable;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Utility class to properly close any ExecutorService. It ensures
+ * that executor is properly closed once the call from close is returned
+ */
+public final class ExecutorCloser implements Closeable {
+ private final Logger log = LoggerFactory.getLogger(getClass());
+ private final ExecutorService executorService;
+ private final int timeout;
+ private final TimeUnit timeUnit;
+
+ public ExecutorCloser(@Nullable ExecutorService executorService) {
+ this(executorService, 5, TimeUnit.SECONDS);
+ }
+
+ public ExecutorCloser(@Nullable ExecutorService executorService, int
timeout, TimeUnit unit) {
+ this.executorService = executorService;
+ this.timeout = timeout;
+ this.timeUnit = unit;
+ }
+
+ @Override
+ public void close() {
+ if (executorService == null) {
+ return;
+ }
+ try {
+ executorService.shutdown();
+ executorService.awaitTermination(timeout, timeUnit);
+ } catch (InterruptedException e) {
+ log.error("Error while shutting down the executorService", e);
+ Thread.currentThread().interrupt();
+ } finally {
+ if (!executorService.isTerminated()) {
+ log.warn("ExecutorService didn't shutdown properly. Will be
forced now.");
+ }
+ executorService.shutdownNow();
+ }
+ }
+}
\ No newline at end of file
Propchange:
jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloser.java
------------------------------------------------------------------------------
svn:eol-style = native
Modified:
jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/package-info.java
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/package-info.java?rev=1715785&r1=1715784&r2=1715785&view=diff
==============================================================================
---
jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/package-info.java
(original)
+++
jackrabbit/oak/trunk/oak-commons/src/main/java/org/apache/jackrabbit/oak/commons/concurrent/package-info.java
Mon Nov 23 12:31:26 2015
@@ -22,7 +22,7 @@
*
* @version 1.0
*/
-@Version("1.0")
+@Version("1.1")
@Export(optional = "provide:=true")
package org.apache.jackrabbit.oak.commons.concurrent;
Added:
jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloserTest.java
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloserTest.java?rev=1715785&view=auto
==============================================================================
---
jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloserTest.java
(added)
+++
jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloserTest.java
Mon Nov 23 12:31:26 2015
@@ -0,0 +1,66 @@
+/*
+ * 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.commons.concurrent;
+
+import java.util.concurrent.Callable;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class ExecutorCloserTest {
+
+ @Test
+ public void simple() throws Exception{
+ ExecutorService executorService = Executors.newSingleThreadExecutor();
+ assertFalse(executorService.isTerminated());
+
+ new ExecutorCloser(executorService).close();
+ assertTrue(executorService.isTerminated());
+ }
+
+ @Test
+ public void nullExecutor() throws Exception{
+ new ExecutorCloser(null).close();
+ }
+
+ @Test
+ public void timeoutHandling() throws Exception{
+ ExecutorService executorService = Executors.newSingleThreadExecutor();
+
+ final CountDownLatch latch = new CountDownLatch(1);
+ executorService.submit(new Callable<Void>() {
+ @Override
+ public Void call() throws Exception {
+ latch.await();
+ return null;
+ }
+ });
+ new ExecutorCloser(executorService, 100,
TimeUnit.MILLISECONDS).close();
+ assertFalse(executorService.isTerminated());
+ assertTrue(executorService.isShutdown());
+ }
+
+}
Propchange:
jackrabbit/oak/trunk/oak-commons/src/test/java/org/apache/jackrabbit/oak/commons/concurrent/ExecutorCloserTest.java
------------------------------------------------------------------------------
svn:eol-style = native
Modified:
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/Oak.java
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/Oak.java?rev=1715785&r1=1715784&r2=1715785&view=diff
==============================================================================
---
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/Oak.java
(original)
+++
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/Oak.java
Mon Nov 23 12:31:26 2015
@@ -60,6 +60,7 @@ import org.apache.jackrabbit.oak.api.Des
import org.apache.jackrabbit.oak.api.Root;
import org.apache.jackrabbit.oak.api.jmx.QueryEngineSettingsMBean;
import org.apache.jackrabbit.oak.api.jmx.RepositoryManagementMBean;
+import org.apache.jackrabbit.oak.commons.concurrent.ExecutorCloser;
import org.apache.jackrabbit.oak.core.ContentRepositoryImpl;
import org.apache.jackrabbit.oak.management.RepositoryManager;
import org.apache.jackrabbit.oak.plugins.commit.ConflictHook;
@@ -697,30 +698,6 @@ public class Oak {
return createContentSession().getLatestRoot();
}
- private static class ExecutorCloser implements Closeable {
- final ExecutorService executorService;
-
- private ExecutorCloser(ExecutorService executorService) {
- this.executorService = executorService;
- }
-
- @Override
- public void close() throws IOException {
- try {
- executorService.shutdown();
- executorService.awaitTermination(5, TimeUnit.SECONDS);
- } catch (InterruptedException e) {
- LOG.error("Error while shutting down the executorService", e);
- Thread.currentThread().interrupt();
- } finally {
- if (!executorService.isTerminated()) {
- LOG.warn("executorService didn't shutdown properly. Will
be forced now.");
- }
- executorService.shutdownNow();
- }
- }
- }
-
/**
* CommitHook to ensure that commit only go through till repository is not
* closed. Once repository is closed the commits would be failed
Modified:
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/metric/StatisticsProviderFactory.java
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/metric/StatisticsProviderFactory.java?rev=1715785&r1=1715784&r2=1715785&view=diff
==============================================================================
---
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/metric/StatisticsProviderFactory.java
(original)
+++
jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/metric/StatisticsProviderFactory.java
Mon Nov 23 12:31:26 2015
@@ -35,6 +35,7 @@ import org.apache.felix.scr.annotations.
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.apache.jackrabbit.oak.commons.PropertiesUtil;
+import org.apache.jackrabbit.oak.commons.concurrent.ExecutorCloser;
import org.apache.jackrabbit.oak.stats.DefaultStatisticsProvider;
import org.apache.jackrabbit.oak.stats.StatisticsProvider;
import org.osgi.framework.BundleContext;
@@ -100,11 +101,7 @@ public class StatisticsProviderFactory {
((Closeable) statisticsProvider).close();
}
- //TODO Refactor ExecutorCloser in Oak as a utility class and
- //use that here
- if (executor != null) {
- executor.shutdown();
- }
+ new ExecutorCloser(executor).close();
}
private StatisticsProvider createProvider(String providerType) {
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=1715785&r1=1715784&r2=1715785&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
Mon Nov 23 12:31:26 2015
@@ -51,6 +51,7 @@ import org.apache.jackrabbit.commons.Sim
import org.apache.jackrabbit.oak.api.ContentRepository;
import org.apache.jackrabbit.oak.api.ContentSession;
import org.apache.jackrabbit.oak.api.jmx.SessionMBean;
+import org.apache.jackrabbit.oak.commons.concurrent.ExecutorCloser;
import org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate;
import org.apache.jackrabbit.oak.jcr.session.RefreshStrategy;
import org.apache.jackrabbit.oak.jcr.session.RefreshStrategy.Composite;
@@ -319,27 +320,12 @@ public class RepositoryImpl implements J
statisticManager.dispose();
gcMonitorRegistration.unregister();
clock.close();
- closeExecutor();
+ new ExecutorCloser(scheduledExecutor).close();
if (contentRepository instanceof Closeable) {
IOUtils.closeQuietly((Closeable) contentRepository);
}
}
- private void closeExecutor() {
- try {
- scheduledExecutor.shutdown();
- scheduledExecutor.awaitTermination(5, TimeUnit.SECONDS);
- } catch (InterruptedException e) {
- log.error("Error while shutting down the executorService", e);
- Thread.currentThread().interrupt();
- } finally {
- if (!scheduledExecutor.isTerminated()) {
- log.warn("executorService didn't shutdown properly. Will be
forced now.");
- }
- scheduledExecutor.shutdownNow();
- }
- }
-
//------------------------------------------------------------< internal
>---
/**