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Fix CHANGES.txt (HDFS-2106 should be HDFS-2107) and add NumberReplicas.java.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1140913 13f79535-47bb-0310-9956-ffa450edef68
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Tsz-wo Sze 2011-06-28 23:57:02 +00:00
parent 1bcfe45e47
commit d58e3efe92
2 changed files with 58 additions and 1 deletions
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2
hdfs/CHANGES.txt
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@ -534,7 +534,7 @@ Trunk (unreleased changes)
HDFS-2110. StreamFile and ByteRangeInputStream cleanup. (eli)
HDFS-2106. Move block management code from o.a.h.h.s.namenode to a new
HDFS-2107. Move block management code from o.a.h.h.s.namenode to a new
package o.a.h.h.s.blockmanagement. (szetszwo)
OPTIMIZATIONS

57
hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/NumberReplicas.java Normal file
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@ -0,0 +1,57 @@
/**
* 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.blockmanagement;
/**
* A immutable object that stores the number of live replicas and
* the number of decommissined Replicas.
*/
public class NumberReplicas {
private int liveReplicas;
private int decommissionedReplicas;
private int corruptReplicas;
private int excessReplicas;
NumberReplicas() {
initialize(0, 0, 0, 0);
}
NumberReplicas(int live, int decommissioned, int corrupt, int excess) {
initialize(live, decommissioned, corrupt, excess);
}
void initialize(int live, int decommissioned, int corrupt, int excess) {
liveReplicas = live;
decommissionedReplicas = decommissioned;
corruptReplicas = corrupt;
excessReplicas = excess;
}
public int liveReplicas() {
return liveReplicas;
}
public int decommissionedReplicas() {
return decommissionedReplicas;
}
public int corruptReplicas() {
return corruptReplicas;
}
public int excessReplicas() {
return excessReplicas;
}
}