IdentityLocalAnalysis.java
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上传日期:2018-01-08
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- /**
- * 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.contrib.index.example;
- import java.io.IOException;
- import org.apache.hadoop.contrib.index.mapred.DocumentAndOp;
- import org.apache.hadoop.contrib.index.mapred.DocumentID;
- import org.apache.hadoop.contrib.index.mapred.ILocalAnalysis;
- import org.apache.hadoop.mapred.JobConf;
- import org.apache.hadoop.mapred.OutputCollector;
- import org.apache.hadoop.mapred.Reporter;
- /**
- * Identity local analysis maps inputs directly into outputs.
- */
- public class IdentityLocalAnalysis implements
- ILocalAnalysis<DocumentID, DocumentAndOp> {
- /* (non-Javadoc)
- * @see org.apache.hadoop.mapred.Mapper#map(java.lang.Object, java.lang.Object, org.apache.hadoop.mapred.OutputCollector, org.apache.hadoop.mapred.Reporter)
- */
- public void map(DocumentID key, DocumentAndOp value,
- OutputCollector<DocumentID, DocumentAndOp> output, Reporter reporter)
- throws IOException {
- output.collect(key, value);
- }
- /* (non-Javadoc)
- * @see org.apache.hadoop.mapred.JobConfigurable#configure(org.apache.hadoop.mapred.JobConf)
- */
- public void configure(JobConf job) {
- }
- /* (non-Javadoc)
- * @see org.apache.hadoop.io.Closeable#close()
- */
- public void close() throws IOException {
- }
- }