org.springframework.scheduling.support.DelegatingExceptionProofRunnable Maven / Gradle / Ivy
/*
* Copyright 2002-2007 the original author or authors.
*
* 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 org.springframework.scheduling.support;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.util.Assert;
/**
* Runnable wrapper that catches any exception or error thrown
* from its delegate Runnable. Used for continuing scheduled
* execution even after an exception thrown from a task's Runnable.
*
* @author Juergen Hoeller
* @since 2.0.5
*/
public class DelegatingExceptionProofRunnable implements Runnable {
private static final Log logger = LogFactory.getLog(DelegatingExceptionProofRunnable.class);
private Runnable delegate;
/**
* Create a new DelegatingExceptionProofRunnable.
* @param delegate the Runnable implementation to delegate to
*/
public DelegatingExceptionProofRunnable(Runnable delegate) {
Assert.notNull(delegate, "Delegate must not be null");
this.delegate = delegate;
}
public final Runnable getDelegate() {
return this.delegate;
}
public void run() {
try {
this.delegate.run();
}
catch (Throwable ex) {
logger.error("Unexpected exception thrown from Runnable", ex);
// Do not throw the exception, else the main loop of the scheduler might stop!
}
}
}