org.apache.hadoop.hbase.mapred
Class TableOutputFormat
java.lang.Object
org.apache.hadoop.mapred.OutputFormatBase<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable>
org.apache.hadoop.hbase.mapred.TableOutputFormat
- All Implemented Interfaces:
- org.apache.hadoop.mapred.OutputFormat<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable>
public class TableOutputFormat
- extends org.apache.hadoop.mapred.OutputFormatBase<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable>
Convert Map/Reduce output and write it to an HBase table
Field Summary |
static String |
OUTPUT_TABLE
JobConf parameter that specifies the output table |
Method Summary |
void |
checkOutputSpecs(org.apache.hadoop.fs.FileSystem ignored,
org.apache.hadoop.mapred.JobConf job)
|
org.apache.hadoop.mapred.RecordWriter |
getRecordWriter(org.apache.hadoop.fs.FileSystem ignored,
org.apache.hadoop.mapred.JobConf job,
String name,
org.apache.hadoop.util.Progressable progress)
|
Methods inherited from class org.apache.hadoop.mapred.OutputFormatBase |
getCompressOutput, getOutputCompressorClass, setCompressOutput, setOutputCompressorClass |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
OUTPUT_TABLE
public static final String OUTPUT_TABLE
- JobConf parameter that specifies the output table
- See Also:
- Constant Field Values
TableOutputFormat
public TableOutputFormat()
- constructor
getRecordWriter
public org.apache.hadoop.mapred.RecordWriter getRecordWriter(org.apache.hadoop.fs.FileSystem ignored,
org.apache.hadoop.mapred.JobConf job,
String name,
org.apache.hadoop.util.Progressable progress)
throws IOException
-
- Specified by:
getRecordWriter
in interface org.apache.hadoop.mapred.OutputFormat<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable>
- Specified by:
getRecordWriter
in class org.apache.hadoop.mapred.OutputFormatBase<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable>
- Throws:
IOException
checkOutputSpecs
public void checkOutputSpecs(org.apache.hadoop.fs.FileSystem ignored,
org.apache.hadoop.mapred.JobConf job)
throws org.apache.hadoop.mapred.FileAlreadyExistsException,
org.apache.hadoop.mapred.InvalidJobConfException,
IOException
-
- Specified by:
checkOutputSpecs
in interface org.apache.hadoop.mapred.OutputFormat<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable>
- Overrides:
checkOutputSpecs
in class org.apache.hadoop.mapred.OutputFormatBase<org.apache.hadoop.io.Text,org.apache.hadoop.io.MapWritable>
- Throws:
org.apache.hadoop.mapred.FileAlreadyExistsException
org.apache.hadoop.mapred.InvalidJobConfException
IOException
Copyright © 2008 The Apache Software Foundation