com.hazelcast.hibernate.local.CleanupService Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2015, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.hibernate.local;
import com.hazelcast.instance.OutOfMemoryErrorDispatcher;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
/**
* An internal service to clean cache regions
*/
public final class CleanupService {
private static final long FIXED_DELAY = 60;
private static final long FIXED_DELAY1 = 60;
private final String name;
private final ScheduledExecutorService executor;
public CleanupService(final String name) {
this.name = name;
executor = Executors.newSingleThreadScheduledExecutor(new CleanupThreadFactory());
}
public void registerCache(final LocalRegionCache cache) {
executor.scheduleWithFixedDelay(new Runnable() {
public void run() {
cache.cleanup();
}
}, FIXED_DELAY, FIXED_DELAY1, TimeUnit.SECONDS);
}
public void stop() {
executor.shutdownNow();
}
/**
* Internal ThreadFactory to create cleanup threads
*/
private class CleanupThreadFactory implements ThreadFactory {
public Thread newThread(final Runnable r) {
final Thread thread = new CleanupThread(r, name + ".hibernate.cleanup");
thread.setDaemon(true);
return thread;
}
}
/**
* Runnable thread adapter to capture exceptions and notify Hazelcast about them
*/
private static final class CleanupThread extends Thread {
private CleanupThread(final Runnable target, final String name) {
super(target, name);
}
public void run() {
try {
super.run();
} catch (OutOfMemoryError e) {
OutOfMemoryErrorDispatcher.onOutOfMemory(e);
}
}
}
}