/** * 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.Map; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentMap; import org.apache.hadoop.classification.InterfaceAudience; /** * Internal data structure used to track progress of a {@link Phase}. */ @InterfaceAudience.Private final class PhaseTracking extends AbstractTracking { String file; long size = Long.MIN_VALUE; ConcurrentMap<Step, StepTracking> steps = new ConcurrentHashMap<Step, StepTracking>(); @Override public PhaseTracking clone() { PhaseTracking clone = new PhaseTracking(); super.copy(clone); clone.file = file; clone.size = size; for (Map.Entry<Step, StepTracking> entry: steps.entrySet()) { clone.steps.put(entry.getKey(), entry.getValue().clone()); } return clone; } }