flex.messaging.util.concurrent.FailedExecutionHandler Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 flex.messaging.util.concurrent;
/**
* This interface defines a callback that can be registered with an {@link Executor}
* to be notified when execution of a Runnable has failed.
*/
public interface FailedExecutionHandler
{
/**
* Invoked when a Runnable has failed to execute.
* This is most commonly invoked when the Runnable can not be queued
* for execution, but may also be invoked if an uncaught Exception was
* thrown and the Executor implementation has support for catching this
* and notifying via this callback.
*
* @param command The Runnable command that failed to execute.
* @param executor The Executor that was unable to execute the command.
* @param exception The Exception identifying why the command failed to execute.
*/
void failedExecution(Runnable command, Executor executor, Exception exception);
}