hadoop StepTracking 源码

  • 2022-10-20
  • 浏览 (116)

haddop StepTracking 代码

文件路径:/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/startupprogress/StepTracking.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.hadoop.hdfs.server.namenode.startupprogress;

import java.util.concurrent.atomic.AtomicLong;

import org.apache.hadoop.classification.InterfaceAudience;

/**
 * Internal data structure used to track progress of a {@link Step}.
 */
@InterfaceAudience.Private
final class StepTracking extends AbstractTracking {
  AtomicLong count = new AtomicLong();
  long total = Long.MIN_VALUE;

  @Override
  public StepTracking clone() {
    StepTracking clone = new StepTracking();
    super.copy(clone);
    clone.count = new AtomicLong(count.get());
    clone.total = total;
    return clone;
  }
}

相关信息

hadoop 源码目录

相关文章

hadoop AbstractTracking 源码

hadoop Phase 源码

hadoop PhaseTracking 源码

hadoop StartupProgress 源码

hadoop StartupProgressMetrics 源码

hadoop StartupProgressView 源码

hadoop Status 源码

hadoop Step 源码

hadoop StepType 源码

hadoop package-info 源码

0  赞