/**
 * Copyright (C) FuseSource, Inc.
 * http://fusesource.com
 *
 * 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.fusesource.fabric.agent.download;

import java.util.EventListener;

/**
 * Something interested in being notified when the completion
 * of an asynchronous download operation : {@link Future}.
 *
 * @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
 */
public interface FutureListener<T extends Future> extends EventListener {

    /**
     * Invoked when the operation associated with the {@link Future}
     * has been completed even if you add the listener after the completion.
     *
     * @param future The source {@link Future} which called this
     *               callback.
     */
    void operationComplete(T future);

}