org.apache.beam.runners.gearpump.translators.io

Class GearpumpSource<T>

java.lang.Object

org.apache.beam.runners.gearpump.translators.io.GearpumpSource<T>

All Implemented Interfaces:

java.io.Serializable, org.apache.gearpump.streaming.source.DataSource

Direct Known Subclasses:

BoundedSourceWrapper, UnboundedSourceWrapper

public abstract class GearpumpSource<T>
extends java.lang.Object
implements org.apache.gearpump.streaming.source.DataSource

common methods for BoundedSourceWrapper and UnboundedSourceWrapper.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
void	close()
protected abstract Source.Reader<T>	createReader(PipelineOptions options)
java.time.Instant	getWatermark()
void	open(org.apache.gearpump.streaming.task.TaskContext context, java.time.Instant startTime)
org.apache.gearpump.Message	read()

Methods inherited from class java.lang.Object

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

Method Detail

createReader

protected abstract Source.Reader<T> createReader(PipelineOptions options)
                                          throws java.io.IOException

Throws:

java.io.IOException

open

public void open(org.apache.gearpump.streaming.task.TaskContext context,
                 java.time.Instant startTime)

Specified by:

open in interface org.apache.gearpump.streaming.source.DataSource

read

public org.apache.gearpump.Message read()

Specified by:

read in interface org.apache.gearpump.streaming.source.DataSource

close

public void close()

Specified by:

close in interface org.apache.gearpump.streaming.source.DataSource

getWatermark

public java.time.Instant getWatermark()

Specified by:

getWatermark in interface org.apache.gearpump.streaming.source.DataSource