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

Class ValuesSource<T>

java.lang.Object

org.apache.beam.sdk.io.Source<OutputT>

org.apache.beam.sdk.io.UnboundedSource<T,UnboundedSource.CheckpointMark>

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

All Implemented Interfaces:

Serializable, HasDisplayData

public class ValuesSource<T>
extends UnboundedSource<T,UnboundedSource.CheckpointMark>

unbounded source that reads from a Java Iterable.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.beam.sdk.io.UnboundedSource

UnboundedSource.CheckpointMark, UnboundedSource.UnboundedReader<OutputT>

Nested classes/interfaces inherited from class org.apache.beam.sdk.io.Source

Source.Reader<T>

Constructor Summary

Constructors

Constructor and Description
ValuesSource(Iterable<T> values, Coder<T> coder)

Method Summary

Modifier and Type	Method and Description
UnboundedSource.UnboundedReader<T>	createReader(PipelineOptions options, UnboundedSource.CheckpointMark checkpointMark)
Coder<UnboundedSource.CheckpointMark>	getCheckpointMarkCoder()
Coder<T>	getDefaultOutputCoder()
List<? extends UnboundedSource<T,UnboundedSource.CheckpointMark>>	split(int desiredNumSplits, PipelineOptions options)

Methods inherited from class org.apache.beam.sdk.io.UnboundedSource

requiresDeduping

Methods inherited from class org.apache.beam.sdk.io.Source

getOutputCoder, populateDisplayData, validate

Methods inherited from class java.lang.Object

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

Constructor Detail

ValuesSource

public ValuesSource(Iterable<T> values,
                    Coder<T> coder)

Method Detail

split

public List<? extends UnboundedSource<T,UnboundedSource.CheckpointMark>> split(int desiredNumSplits,
                                                                               PipelineOptions options)
                                                                        throws Exception

Specified by:

split in class UnboundedSource<T,UnboundedSource.CheckpointMark>

Throws:

Exception

createReader

public UnboundedSource.UnboundedReader<T> createReader(PipelineOptions options,
                                                       @Nullable
                                                       UnboundedSource.CheckpointMark checkpointMark)

Specified by:

createReader in class UnboundedSource<T,UnboundedSource.CheckpointMark>

getCheckpointMarkCoder

@Nullable
public Coder<UnboundedSource.CheckpointMark> getCheckpointMarkCoder()

Specified by:

getCheckpointMarkCoder in class UnboundedSource<T,UnboundedSource.CheckpointMark>

getDefaultOutputCoder

public Coder<T> getDefaultOutputCoder()

Overrides:

getDefaultOutputCoder in class Source<T>