Package cz.o2.proxima.beam.direct.io

Class BeamCommitLogReader.UnboundedCommitLogReader

java.lang.Object

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

org.apache.beam.sdk.io.UnboundedSource.UnboundedReader<StreamElement>

cz.o2.proxima.beam.direct.io.BeamCommitLogReader.UnboundedCommitLogReader

All Implemented Interfaces:

java.lang.AutoCloseable

Enclosing class:

BeamCommitLogReader

static class BeamCommitLogReader.UnboundedCommitLogReader
extends org.apache.beam.sdk.io.UnboundedSource.UnboundedReader<StreamElement>

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	finished
private org.joda.time.Instant	previousWatermark
private BeamCommitLogReader	reader
private DirectUnboundedSource	source

Fields inherited from class org.apache.beam.sdk.io.UnboundedSource.UnboundedReader

BACKLOG_UNKNOWN

Constructor Summary

Constructors

Constructor	Description
UnboundedCommitLogReader(java.lang.String name, DirectUnboundedSource source, CommitLogReader reader, Position position, boolean eventTime, long limit, Partition partition, Offset offset)

Method Summary

Modifier and Type	Method	Description
boolean	advance()
void	close()
DirectUnboundedSource.Checkpoint	getCheckpointMark()
StreamElement	getCurrent()
byte[]	getCurrentRecordId()
DirectUnboundedSource	getCurrentSource()
org.joda.time.Instant	getCurrentTimestamp()
org.joda.time.Instant	getWatermark()
boolean	start()

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

getSplitBacklogBytes, getTotalBacklogBytes

Methods inherited from class java.lang.Object

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

Field Detail

source

private final DirectUnboundedSource source

reader

private final BeamCommitLogReader reader

previousWatermark

private org.joda.time.Instant previousWatermark

finished

private boolean finished

Constructor Detail

UnboundedCommitLogReader

UnboundedCommitLogReader(java.lang.String name,
                         DirectUnboundedSource source,
                         CommitLogReader reader,
                         Position position,
                         boolean eventTime,
                         long limit,
                         @Nullable
                         Partition partition,
                         @Nullable
                         Offset offset)

Method Detail

getCurrentSource

public DirectUnboundedSource getCurrentSource()

Specified by:

getCurrentSource in class org.apache.beam.sdk.io.UnboundedSource.UnboundedReader<StreamElement>

start

public boolean start()
              throws java.io.IOException

Specified by:

start in class org.apache.beam.sdk.io.UnboundedSource.UnboundedReader<StreamElement>

Throws:

java.io.IOException

advance

public boolean advance()
                throws java.io.IOException

Specified by:

advance in class org.apache.beam.sdk.io.UnboundedSource.UnboundedReader<StreamElement>

Throws:

java.io.IOException

getCurrent

public StreamElement getCurrent()
                         throws java.util.NoSuchElementException

Specified by:

getCurrent in class org.apache.beam.sdk.io.Source.Reader<StreamElement>

Throws:

java.util.NoSuchElementException

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in class org.apache.beam.sdk.io.Source.Reader<StreamElement>

getWatermark

public org.joda.time.Instant getWatermark()

Specified by:

getWatermark in class org.apache.beam.sdk.io.UnboundedSource.UnboundedReader<StreamElement>

getCheckpointMark

public DirectUnboundedSource.Checkpoint getCheckpointMark()

Specified by:

getCheckpointMark in class org.apache.beam.sdk.io.UnboundedSource.UnboundedReader<StreamElement>

getCurrentTimestamp

public org.joda.time.Instant getCurrentTimestamp()
                                          throws java.util.NoSuchElementException

Specified by:

getCurrentTimestamp in class org.apache.beam.sdk.io.Source.Reader<StreamElement>

Throws:

java.util.NoSuchElementException

getCurrentRecordId

public byte[] getCurrentRecordId()
                          throws java.util.NoSuchElementException

Overrides:

getCurrentRecordId in class org.apache.beam.sdk.io.UnboundedSource.UnboundedReader<StreamElement>

Throws:

java.util.NoSuchElementException