spark MergeFinalizerListener 源码
spark MergeFinalizerListener 代码
文件路径：/common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/MergeFinalizerListener.java
/*
* 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 org.apache.spark.network.shuffle;
import java.util.EventListener;
import org.apache.spark.network.shuffle.protocol.MergeStatuses;
/**
* :: DeveloperApi ::
*
* Listener providing a callback function to invoke when driver receives the response for the
* finalize shuffle merge request sent to remote shuffle service.
*
* @since 3.1.0
*/
public interface MergeFinalizerListener extends EventListener {
/**
* Called once upon successful response on finalize shuffle merge on a remote shuffle service.
* The returned {@link MergeStatuses} is passed to the listener for further processing
*/
void onShuffleMergeSuccess(MergeStatuses statuses);
/**
* Called once upon failure response on finalize shuffle merge on a remote shuffle service.
*/
void onShuffleMergeFailure(Throwable e);
}
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