org.apache.flink.streaming.api.operators

Class TimestampedCollector<T>

java.lang.Object

org.apache.flink.streaming.api.operators.TimestampedCollector<T>

Type Parameters:

T - The type of the elments that can be emitted.

All Implemented Interfaces:

Collector<T>

public class TimestampedCollector<T>
extends Object
implements Collector<T>

Wrapper around an Output for user functions that expect a Collector. Before giving the TimestampedCollector to a user function you must set the timestamp that should be attached to emitted elements. Most operators would set the timestamp of the incoming StreamRecord here.

Constructor Summary

Constructors

Constructor and Description
TimestampedCollector(Output<StreamRecord<T>> output) Creates a new TimestampedCollector that wraps the given Output.

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	collect(T record)
void	setTimestamp(long timestamp) Sets the timestamp that is attached to elements that get emitted using collect(T)

Methods inherited from class java.lang.Object

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

Constructor Detail

TimestampedCollector

public TimestampedCollector(Output<StreamRecord<T>> output)

Creates a new TimestampedCollector that wraps the given Output.

Method Detail

collect

public void collect(T record)

Specified by:

collect in interface Collector<T>

setTimestamp

public void setTimestamp(long timestamp)

Sets the timestamp that is attached to elements that get emitted using collect(T)

Parameters:

timestamp - The timestamp in milliseconds

close

public void close()

Specified by:

close in interface Collector<T>