com.hazelcast.nio.tcp.iobalancer.IOBalancerThread 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.nio.tcp.iobalancer;
import com.hazelcast.instance.HazelcastThreadGroup;
import com.hazelcast.logging.ILogger;
import com.hazelcast.util.EmptyStatement;
import java.util.concurrent.TimeUnit;
class IOBalancerThread extends Thread {
private static final String THREAD_NAME_PREFIX = "IOBalancerThread";
private final IOBalancer ioBalancer;
private final ILogger log;
private final int migrationIntervalSeconds;
IOBalancerThread(IOBalancer ioBalancer, int migrationIntervalSeconds,
HazelcastThreadGroup threadGroup, ILogger log) {
super(threadGroup.getInternalThreadGroup(), threadGroup.getThreadNamePrefix(THREAD_NAME_PREFIX));
this.ioBalancer = ioBalancer;
this.log = log;
this.migrationIntervalSeconds = migrationIntervalSeconds;
}
@Override
public void run() {
try {
log.finest("Starting IOBalancer thread");
while (!Thread.interrupted()) {
ioBalancer.checkReadHandlers();
ioBalancer.checkWriteHandlers();
TimeUnit.SECONDS.sleep(migrationIntervalSeconds);
}
} catch (InterruptedException e) {
log.finest("IOBalancer thread stopped");
//this thread is about to exit, no reason restoring the interrupt flag
EmptyStatement.ignore(e);
}
}
}