org.apache.hadoop.contrib.index.mapred
Class IndexUpdateOutputFormat
java.lang.Object
org.apache.hadoop.mapred.FileOutputFormat<Shard,Text>
org.apache.hadoop.contrib.index.mapred.IndexUpdateOutputFormat
- All Implemented Interfaces:
- OutputFormat<Shard,Text>
public class IndexUpdateOutputFormat
- extends FileOutputFormat<Shard,Text>
The record writer of this output format simply puts a message in an output
path when a shard update is done.
Methods inherited from class org.apache.hadoop.mapred.FileOutputFormat |
checkOutputSpecs, getCompressOutput, getOutputCompressorClass, getOutputPath, getPathForCustomFile, getTaskOutputPath, getUniqueName, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputPath |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
IndexUpdateOutputFormat
public IndexUpdateOutputFormat()
getRecordWriter
public RecordWriter<Shard,Text> getRecordWriter(FileSystem fs,
JobConf job,
String name,
Progressable progress)
throws IOException
- Description copied from interface:
OutputFormat
- Get the
RecordWriter
for the given job.
- Specified by:
getRecordWriter
in interface OutputFormat<Shard,Text>
- Specified by:
getRecordWriter
in class FileOutputFormat<Shard,Text>
job
- configuration for the job whose output is being written.name
- the unique name for this part of the output.progress
- mechanism for reporting progress while writing to file.
- Returns:
- a
RecordWriter
to write the output for the job.
- Throws:
IOException
Copyright © 2009 The Apache Software Foundation