/*
 * Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.
 
 * According to cos feature, we modify some class，comment, field name, etc.
 */


package com.qcloud.cos.event;

import com.qcloud.cos.transfer.Transfer;
import com.qcloud.cos.transfer.Transfer.TransferState;

/**
 * Listener for transfer state changes.  Not intended to be consumed externally.
 */
public interface TransferStateChangeListener {
    public void transferStateChanged(Transfer transfer, TransferState state);
}