org.apache.flink.runtime.io.network.api

Class EndOfData

java.lang.Object

org.apache.flink.runtime.event.AbstractEvent

org.apache.flink.runtime.event.RuntimeEvent

org.apache.flink.runtime.io.network.api.EndOfData

All Implemented Interfaces:

IOReadableWritable

public class EndOfData
extends RuntimeEvent

This event indicates there will be no more data records in a subpartition. There still might be other events, in particular CheckpointBarriers traveling. The EndOfData is acknowledged by the downstream task. That way we can safely assume the downstream task has consumed all the produced records and therefore we can perform a final checkpoint for the upstream task.

See Also:

FLIP-147

Constructor Summary

Constructors

Constructor and Description
EndOfData(StopMode mode)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
StopMode	getStopMode()
int	hashCode()
void	read(DataInputView in) Reads the object's internal data from the given data input view.
String	toString()
void	write(DataOutputView out) Writes the object's internal data to the given data output view.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

EndOfData

public EndOfData(StopMode mode)

Method Detail

getStopMode

public StopMode getStopMode()

write

public void write(DataOutputView out)
           throws IOException

Description copied from interface: IOReadableWritable

Writes the object's internal data to the given data output view.

Parameters:

out - the output view to receive the data.

Throws:

IOException - thrown if any error occurs while writing to the output stream

read

public void read(DataInputView in)
          throws IOException

Description copied from interface: IOReadableWritable

Reads the object's internal data from the given data input view.

Parameters:

in - the input view to read the data from

Throws:

IOException - thrown if any error occurs while reading from the input stream

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object