org.apache.flink.streaming.runtime.io

Class RecordWriterOutput<OUT>

java.lang.Object

org.apache.flink.streaming.runtime.io.RecordWriterOutput<OUT>

All Implemented Interfaces:

Output<StreamRecord<OUT>>, org.apache.flink.util.Collector<StreamRecord<OUT>>

@Internal
public class RecordWriterOutput<OUT>
extends Object
implements Output<StreamRecord<OUT>>

Implementation of Output that sends data using a RecordWriter.

Constructor Summary

Constructors

Constructor and Description
RecordWriterOutput(StreamRecordWriter<org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<OUT>>> recordWriter, org.apache.flink.api.common.typeutils.TypeSerializer<OUT> outSerializer, boolean enableWatermarkMultiplexing)

Method Summary

Modifier and Type	Method and Description
void	broadcastEvent(org.apache.flink.runtime.event.AbstractEvent barrier)
void	clearBuffers()
void	close()
void	collect(StreamRecord<OUT> record)
void	emitWatermark(Watermark mark) Emits a Watermark from an operator.
void	flush()

Methods inherited from class java.lang.Object

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

Constructor Detail

RecordWriterOutput

public RecordWriterOutput(StreamRecordWriter<org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<OUT>>> recordWriter,
                          org.apache.flink.api.common.typeutils.TypeSerializer<OUT> outSerializer,
                          boolean enableWatermarkMultiplexing)

Method Detail

collect

public void collect(StreamRecord<OUT> record)

Specified by:

collect in interface org.apache.flink.util.Collector<StreamRecord<OUT>>

emitWatermark

public void emitWatermark(Watermark mark)

Description copied from interface: Output

Emits a Watermark from an operator. This watermark is broadcast to all downstream operators.

A watermark specifies that no element with a timestamp lower or equal to the watermark timestamp will be emitted in the future.

Specified by:

emitWatermark in interface Output<StreamRecord<OUT>>

broadcastEvent

public void broadcastEvent(org.apache.flink.runtime.event.AbstractEvent barrier)
                    throws IOException,
                           InterruptedException

Throws:

IOException

InterruptedException

flush

public void flush()
           throws IOException

Throws:

IOException

close

public void close()

Specified by:

close in interface org.apache.flink.util.Collector<StreamRecord<OUT>>

clearBuffers

public void clearBuffers()