001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019 package org.apache.hadoop.mapred.lib.aggregate; 020 021 import org.apache.hadoop.classification.InterfaceAudience; 022 import org.apache.hadoop.classification.InterfaceStability; 023 024 /** 025 * This class implements a value aggregator that dedupes a sequence of objects. 026 * 027 * @deprecated Use 028 * {@link org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount} instead 029 */ 030 @Deprecated 031 @InterfaceAudience.Public 032 @InterfaceStability.Stable 033 public class UniqValueCount 034 extends org.apache.hadoop.mapreduce.lib.aggregate.UniqValueCount 035 implements ValueAggregator<Object> { 036 /** 037 * the default constructor 038 * 039 */ 040 public UniqValueCount() { 041 super(); 042 } 043 044 /** 045 * constructor 046 * @param maxNum the limit in the number of unique values to keep. 047 * 048 */ 049 public UniqValueCount(long maxNum) { 050 super(maxNum); 051 } 052 }