org.apache.hadoop.chukwa.datacollection.writer
Class ExtractorWriter

java.lang.Object
  extended by org.apache.hadoop.chukwa.datacollection.writer.PipelineableWriter
      extended by org.apache.hadoop.chukwa.datacollection.writer.ExtractorWriter
All Implemented Interfaces:
ChukwaWriter

public class ExtractorWriter
extends PipelineableWriter


Nested Class Summary
 
Nested classes/interfaces inherited from interface org.apache.hadoop.chukwa.datacollection.writer.ChukwaWriter
ChukwaWriter.COMMIT_PENDING, ChukwaWriter.CommitStatus
 
Field Summary
static LogDisplayServlet recipient
           
 
Fields inherited from interface org.apache.hadoop.chukwa.datacollection.writer.ChukwaWriter
COMMIT_FAIL, COMMIT_OK
 
Constructor Summary
ExtractorWriter()
           
 
Method Summary
 ChukwaWriter.CommitStatus add(List<Chunk> chunks)
          Called repeatedly with data that should be serialized.
 void close()
          Called once, indicating that the writer should close files and prepare to exit.
 void init(org.apache.hadoop.conf.Configuration c)
          Called once to initialize this writer.
 
Methods inherited from class org.apache.hadoop.chukwa.datacollection.writer.PipelineableWriter
setNextStage
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

recipient

public static LogDisplayServlet recipient
Constructor Detail

ExtractorWriter

public ExtractorWriter()
Method Detail

close

public void close()
           throws WriterException
Description copied from interface: ChukwaWriter
Called once, indicating that the writer should close files and prepare to exit.

Throws:
WriterException

init

public void init(org.apache.hadoop.conf.Configuration c)
          throws WriterException
Description copied from interface: ChukwaWriter
Called once to initialize this writer.

Throws:
WriterException

add

public ChukwaWriter.CommitStatus add(List<Chunk> chunks)
                              throws WriterException
Description copied from interface: ChukwaWriter
Called repeatedly with data that should be serialized. Subclasses may assume that init() will be called before any calls to add(), and that add() won't be called after close().

Specified by:
add in interface ChukwaWriter
Overrides:
add in class PipelineableWriter
Returns:
Throws:
WriterException


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