com.google.appengine.tools.mapreduce.outputs

Class InMemoryOutputWriter<O>

java.lang.Object

com.google.appengine.tools.mapreduce.OutputWriter<O>

com.google.appengine.tools.mapreduce.outputs.InMemoryOutputWriter<O>

All Implemented Interfaces:

Serializable

public class InMemoryOutputWriter<O>
extends OutputWriter<O>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
InMemoryOutputWriter()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	allowSliceRetry()
void	beginShard() Will be called once before any calls to write.
void	beginSlice() Prepares the writer for writing after possibly having gone through serialization or deserialization.
void	endShard() Called when no more output will be written to this writer.
void	endSlice() Prepares the writer for possible serialization.
List<O>	getResult()
String	toString()
void	write(O value) Writes a value to the output.

Methods inherited from class com.google.appengine.tools.mapreduce.OutputWriter

cleanup, close, estimateMemoryRequirement, getContext, open, setContext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

InMemoryOutputWriter

public InMemoryOutputWriter()

Method Detail

toString

public String toString()

Overrides:

toString in class Object

beginShard

public void beginShard()

Description copied from class: OutputWriter

Will be called once before any calls to write. Prepares the writer for processing, after possibly having gone through serialization and deserialization.

Overrides:

beginShard in class OutputWriter<O>

beginSlice

public void beginSlice()

Description copied from class: OutputWriter

Prepares the writer for writing after possibly having gone through serialization or deserialization.

Overrides:

beginSlice in class OutputWriter<O>

write

public void write(O value)

Description copied from class: OutputWriter

Writes a value to the output.

Specified by:

write in class OutputWriter<O>

endSlice

public void endSlice()

Description copied from class: OutputWriter

Prepares the writer for possible serialization.

Overrides:

endSlice in class OutputWriter<O>

endShard

public void endShard()

Description copied from class: OutputWriter

Called when no more output will be written to this writer.

Overrides:

endShard in class OutputWriter<O>

allowSliceRetry

public boolean allowSliceRetry()

Overrides:

allowSliceRetry in class OutputWriter<O>

getResult

public List<O> getResult()