diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2008-08-14 08:59:55 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2008-08-14 08:59:55 +0000 |
commit | 088621442ee8471528e1723ebfaeb09079e9e551 (patch) | |
tree | 22ea4ea71bca891016277b0725dcfbd040a3c554 /sandbox/ctrezzo/Map-Reduce-Java/src/main/java/services/JobConfImpl.java | |
parent | 9a557efd21b0cef47fefcc5f2d2b2f782a1af12d (diff) |
TUSCANY-2540 - Applying ctrezzo patch
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@685822 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/ctrezzo/Map-Reduce-Java/src/main/java/services/JobConfImpl.java')
-rw-r--r-- | sandbox/ctrezzo/Map-Reduce-Java/src/main/java/services/JobConfImpl.java | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/sandbox/ctrezzo/Map-Reduce-Java/src/main/java/services/JobConfImpl.java b/sandbox/ctrezzo/Map-Reduce-Java/src/main/java/services/JobConfImpl.java new file mode 100644 index 0000000000..98f0b6d946 --- /dev/null +++ b/sandbox/ctrezzo/Map-Reduce-Java/src/main/java/services/JobConfImpl.java @@ -0,0 +1,110 @@ +/* + * 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 services; + +import java.io.BufferedReader; +import java.io.DataInputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStreamReader; +import java.io.PrintWriter; +import java.util.Iterator; +import org.osoa.sca.annotations.Property; +import org.osoa.sca.annotations.Reference; + +public class JobConfImpl implements JobConf { + + @Property + public String input; + @Property + public String output; + @Reference + public Mapper myMapper; + @Reference + public IntermediateCollector iCollector; + @Reference + public OutputCollector oCollector; + + public void run() { + + FileInputStream fstream = null; + try { + fstream = new FileInputStream(input); + } + catch(FileNotFoundException e) { + System.out.println("ERROR: Input file does not exist."); + return; + } + + DataInputStream in = new DataInputStream(fstream); + BufferedReader br = new BufferedReader(new InputStreamReader(in)); + + //Read File Line By Line + String strLine = null; + int count = 1; + try { + strLine = br.readLine(); + } + catch(IOException e) { + System.out.println("ERROR: Input file can not be read."); + return; + } + while (strLine != null) { + myMapper.map(count, strLine); + count++; + + try { + strLine = br.readLine(); + } + catch(IOException e) { + System.out.println("ERROR: Input file can not be read."); + return; + } + } + + iCollector.reducePhase(); + + Iterator<KeyValuePair> it = oCollector.getCollection(); + + //Write to output file + + FileOutputStream oStream = null; + try { + oStream = new FileOutputStream(output); + } + catch(FileNotFoundException e) { + System.out.println("ERROR: Output file can not be written to."); + return; + } + + PrintWriter pw = new PrintWriter(oStream); + + while(it.hasNext()) { + KeyValuePair kv = it.next(); + pw.println(kv.key + " " + kv.value); + } + + pw.close(); + } + +} |