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Toolkit for Amazon S3, Amazon CloudFront, and Google Storage Service.

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/*
 * JetS3t : Java S3 Toolkit
 * Project hosted at http://bitbucket.org/jmurty/jets3t/
 *
 * Copyright 2006-2010 James Murty
 *
 * 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.jets3t.service.multi;

import java.util.EventListener;

/**
 * Interface implemented by multi-threaded operations that can be cancelled prior to finishing.
 *
 * @author James Murty
 */
public interface CancelEventTrigger extends EventListener {

    /**
     * Triggers a cancellation of some operation.
     *
     * @param eventSource
     * the object source that triggered the cancellation, useful for logging purposes.
     *
     */
    public abstract void cancelTask(Object eventSource);

}