org.apache.flink.streaming.api.collector.selector

Class DirectedOutput<OUT>

java.lang.Object

org.apache.flink.streaming.api.collector.selector.DirectedOutput<OUT>

All Implemented Interfaces:

Output<StreamRecord<OUT>>, Collector<StreamRecord<OUT>>

public class DirectedOutput<OUT>
extends Object
implements Output<StreamRecord<OUT>>

Constructor Summary

Constructors

Constructor and Description
DirectedOutput(List<OutputSelector<OUT>> outputSelectors, List<Tuple2<Output<StreamRecord<OUT>>,StreamEdge>> outputs)

Method Summary

Modifier and Type	Method and Description
void	close() Closes the collector.
void	collect(StreamRecord<OUT> record) Emits a record.
void	emitWatermark(Watermark mark) Emits a Watermark from an operator.

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectedOutput

public DirectedOutput(List<OutputSelector<OUT>> outputSelectors,
                      List<Tuple2<Output<StreamRecord<OUT>>,StreamEdge>> outputs)

Method Detail

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>>

collect

public void collect(StreamRecord<OUT> record)

Description copied from interface: Collector

Emits a record.

Specified by:

collect in interface Collector<StreamRecord<OUT>>

Parameters:

record - The record to collect.

close

public void close()

Description copied from interface: Collector

Closes the collector. If any data was buffered, that data will be flushed.

Specified by:

close in interface Collector<StreamRecord<OUT>>