/**
* 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.tez.runtime.library.output;
import java.io.IOException;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.tez.runtime.api.Event;
import org.apache.tez.runtime.library.common.task.local.output.TezTaskOutput;
public class LocalOnFileSorterOutput extends OnFileSortedOutput {
private static final Log LOG = LogFactory.getLog(LocalOnFileSorterOutput.class);
@Override
public List<Event> close() throws IOException {
LOG.debug("Closing LocalOnFileSorterOutput");
super.close();
TezTaskOutput mapOutputFile = sorter.getMapOutput();
FileSystem localFs = FileSystem.getLocal(conf);
Path src = mapOutputFile.getOutputFile();
Path dst =
mapOutputFile.getInputFileForWrite(
outputContext.getTaskIndex(),
localFs.getFileStatus(src).getLen());
LOG.info("Renaming src = " + src + ", dst = " + dst);
if (LOG.isDebugEnabled()) {
LOG.debug("Renaming src = " + src + ", dst = " + dst);
}
localFs.rename(src, dst);
return null;
}
@Override
protected List<Event> generateEventsOnClose() throws IOException {
return null;
}
}