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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.common.util.concurrent;
/**
* An extension to runnable.
*/
public abstract class AbstractRunnable implements Runnable {
/**
* Should the runnable force its execution in case it gets rejected?
*/
public boolean isForceExecution() {
return false;
}
@Override
public final void run() {
try {
doRun();
} catch (Exception t) {
onFailure(t);
} finally {
onAfter();
}
}
/**
* This method is called in a finally block after successful execution
* or on a rejection.
*/
public void onAfter() {
// nothing by default
}
/**
* This method is invoked for all exception thrown by {@link #doRun()}
*/
public abstract void onFailure(Exception e);
/**
* This should be executed if the thread-pool executing this action rejected the execution.
* The default implementation forwards to {@link #onFailure(Exception)}
*/
public void onRejection(Exception e) {
onFailure(e);
}
/**
* This method has the same semantics as {@link Runnable#run()}
* @throws InterruptedException if the run method throws an InterruptedException
*/
protected abstract void doRun() throws Exception;
}