com.hazelcast.util.executor.HazelcastManagedThread Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, 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.util.executor;
import com.hazelcast.instance.OutOfMemoryErrorDispatcher;
/**
* Base class for all Hazelcast threads to manage them from a single point.
* Concrete classes can customize their behaviours by overriding
* {@link com.hazelcast.util.executor.HazelcastManagedThread#beforeRun},
* {@link com.hazelcast.util.executor.HazelcastManagedThread#executeRun} and
* {@link com.hazelcast.util.executor.HazelcastManagedThread#afterRun} methods.
*/
public class HazelcastManagedThread extends Thread {
public HazelcastManagedThread() {
}
public HazelcastManagedThread(Runnable target) {
super(target);
}
public HazelcastManagedThread(ThreadGroup group, Runnable target) {
super(group, target);
}
public HazelcastManagedThread(String name) {
super(name);
}
public HazelcastManagedThread(ThreadGroup group, String name) {
super(group, name);
}
public HazelcastManagedThread(Runnable target, String name) {
super(target, name);
}
public HazelcastManagedThread(ThreadGroup group, Runnable target, String name) {
super(group, target, name);
}
@Override
public void setContextClassLoader(ClassLoader cl) {
// Set only if specified classloader is not empty, otherwise go one with current
if (cl != null) {
super.setContextClassLoader(cl);
}
}
/**
* Called before inner run method and can be overridden to customize.
*/
protected void beforeRun() {
}
/**
* Does the actual run and can be overridden to customize.
*/
protected void executeRun() {
super.run();
}
/**
* Called after inner run method and can be overridden to customize.
*/
protected void afterRun() {
}
/**
* Manages the thread lifecycle and can be overridden to customize if needed.
*/
public void run() {
try {
beforeRun();
executeRun();
} catch (OutOfMemoryError e) {
OutOfMemoryErrorDispatcher.onOutOfMemory(e);
} finally {
afterRun();
}
}
}