| /* |
| * 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.mapreduce.counters; |
| |
| import com.google.common.base.Objects; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.mapreduce.Counter; |
| |
| /** |
| * An abstract counter class to provide common implementation of |
| * the counter interface in both mapred and mapreduce packages. |
| */ |
| @InterfaceAudience.Private |
| public abstract class AbstractCounter implements Counter { |
| |
| @Override @Deprecated |
| public void setDisplayName(String name) {} |
| |
| @Override |
| public synchronized boolean equals(Object genericRight) { |
| if (genericRight instanceof Counter) { |
| synchronized (genericRight) { |
| Counter right = (Counter) genericRight; |
| return getName().equals(right.getName()) && |
| getDisplayName().equals(right.getDisplayName()) && |
| getValue() == right.getValue(); |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public synchronized int hashCode() { |
| return Objects.hashCode(getName(), getDisplayName(), getValue()); |
| } |
| } |