TestGzipInput.java
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上传日期:2018-01-08
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文件大小:2k
- /**
- * 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.streaming;
- import java.io.File;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.util.zip.GZIPOutputStream;
- /**
- * This class tests gzip input streaming in MapReduce local mode.
- */
- public class TestGzipInput extends TestStreaming
- {
- public TestGzipInput() throws IOException {
- INPUT_FILE = new File("input.txt.gz");
- }
-
- protected void createInput() throws IOException
- {
- GZIPOutputStream out = new GZIPOutputStream(
- new FileOutputStream(INPUT_FILE.getAbsoluteFile()));
- out.write(input.getBytes("UTF-8"));
- out.close();
- }
- protected String[] genArgs() {
- return new String[] {
- "-input", INPUT_FILE.getAbsolutePath(),
- "-output", OUTPUT_DIR.getAbsolutePath(),
- "-mapper", map,
- "-reducer", reduce,
- "-jobconf", "stream.recordreader.compression=gzip"
- };
-
- }
- public static void main(String[]args) throws Exception
- {
- new TestGzipInput().testCommandLine();
- }
- }