| /** |
| * 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.lib.aggregate; |
| |
| import org.apache.hadoop.io.Text; |
| import java.util.ArrayList; |
| import java.util.Map.Entry; |
| |
| public class AggregatorTests extends ValueAggregatorBaseDescriptor { |
| |
| public ArrayList<Entry<Text, Text>> generateKeyValPairs(Object key, Object val) { |
| ArrayList<Entry<Text, Text>> retv = new ArrayList<Entry<Text, Text>>(); |
| String [] words = val.toString().split(" "); |
| |
| String countType; |
| String id; |
| Entry<Text, Text> e; |
| |
| for (String word: words) { |
| long numVal = Long.parseLong(word); |
| countType = LONG_VALUE_SUM; |
| id = "count_" + word; |
| e = generateEntry(countType, id, ONE); |
| if (e != null) { |
| retv.add(e); |
| } |
| countType = LONG_VALUE_MAX; |
| id = "max"; |
| e = generateEntry(countType, id, new Text(word)); |
| if (e != null) { |
| retv.add(e); |
| } |
| |
| countType = LONG_VALUE_MIN; |
| id = "min"; |
| e = generateEntry(countType, id, new Text(word)); |
| if (e != null) { |
| retv.add(e); |
| } |
| |
| countType = STRING_VALUE_MAX; |
| id = "value_as_string_max"; |
| e = generateEntry(countType, id, new Text(""+numVal)); |
| if (e != null) { |
| retv.add(e); |
| } |
| |
| countType = STRING_VALUE_MIN; |
| id = "value_as_string_min"; |
| e = generateEntry(countType, id, new Text(""+numVal)); |
| if (e != null) { |
| retv.add(e); |
| } |
| |
| countType = UNIQ_VALUE_COUNT; |
| id = "uniq_count"; |
| e = generateEntry(countType, id, new Text(word)); |
| if (e != null) { |
| retv.add(e); |
| } |
| |
| countType = VALUE_HISTOGRAM; |
| id = "histogram"; |
| e = generateEntry(countType, id, new Text(word)); |
| if (e != null) { |
| retv.add(e); |
| } |
| } |
| return retv; |
| } |
| |
| } |