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MultipleRawFileOutputFormat: support multiple raw files without typedbytes wrapping #4

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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 fm.last.feathers.output;
+
+import java.io.IOException;
+import java.util.ArrayList;
+
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.mapred.JobConf;
+import org.apache.hadoop.mapred.RecordWriter;
+import org.apache.hadoop.mapred.lib.MultipleOutputFormat;
+import org.apache.hadoop.util.Progressable;
+
+import fm.last.feathers.output.RawFileOutputFormat;
+
+/**
+ * This class extends the MultipleOutputFormat, allowing to write the output data-
+ * to different output files in raw file output format.
+ */
+public class MultipleRawFileOutputFormat <K,V>
+extends MultipleOutputFormat<K, V> {
+
+ private RawFileOutputFormat<K,V> theRawFileOutputFormat = null;
+
+ @Override
+ protected RecordWriter<K, V> getBaseRecordWriter(FileSystem fs,
+ JobConf job,
+ String name,
+ Progressable arg3)
+ throws IOException {
+ if (theRawFileOutputFormat == null) {
+ theRawFileOutputFormat = new RawFileOutputFormat<K,V>();
+ }
+ return theRawFileOutputFormat.getRecordWriter(fs, job, name, arg3);
+ }
+
+ protected String generateFileNameForKeyValue(K key, V value, String name) {
+ return new Path(key.toString(), name).toString() ;
+ }
+
+}
+