Package org.apache.flink.datastream.impl.extension.eventtime.functions

Class EventTimeWrappedOneInputStreamProcessFunction<IN,OUT>

java.lang.Object

org.apache.flink.datastream.impl.extension.eventtime.functions.EventTimeWrappedOneInputStreamProcessFunction<IN,OUT>

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>, org.apache.flink.datastream.api.function.ProcessFunction

public class EventTimeWrappedOneInputStreamProcessFunction<IN,OUT>
extends Object
implements org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>

The wrapped OneInputEventTimeStreamProcessFunction that take care of event-time alignment with idleness.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
EventTimeWrappedOneInputStreamProcessFunction(org.apache.flink.datastream.api.extension.eventtime.function.OneInputEventTimeStreamProcessFunction<IN,OUT> wrappedUserFunction)

Method Summary

Modifier and Type	Method	Description
void	close()
Set<? extends org.apache.flink.api.common.watermark.WatermarkDeclaration>	declareWatermarks()
void	endInput(org.apache.flink.datastream.api.context.NonPartitionedContext<OUT> ctx)
org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>	getWrappedUserFunction()
void	initEventTimeExtension(org.apache.flink.streaming.api.operators.InternalTimerService<org.apache.flink.runtime.state.VoidNamespace> timerService, Supplier<Long> eventTimeSupplier, org.apache.flink.streaming.runtime.watermark.extension.eventtime.EventTimeWatermarkHandler eventTimeWatermarkHandler)	Initialize the event time extension, note that this method should be invoked before open method.
void	onEventTime(long timestamp, org.apache.flink.datastream.api.common.Collector<OUT> output, org.apache.flink.datastream.api.context.PartitionedContext<OUT> ctx)
void	onProcessingTimer(long timestamp, org.apache.flink.datastream.api.common.Collector<OUT> output, org.apache.flink.datastream.api.context.PartitionedContext<OUT> ctx)
org.apache.flink.api.common.watermark.WatermarkHandlingResult	onWatermark(org.apache.flink.api.common.watermark.Watermark watermark, org.apache.flink.datastream.api.common.Collector<OUT> output, org.apache.flink.datastream.api.context.NonPartitionedContext<OUT> ctx)
void	open(org.apache.flink.datastream.api.context.NonPartitionedContext<OUT> ctx)
void	processRecord(IN record, org.apache.flink.datastream.api.common.Collector<OUT> output, org.apache.flink.datastream.api.context.PartitionedContext<OUT> ctx)
Set<org.apache.flink.api.common.state.StateDeclaration>	usesStates()

Methods inherited from class java.lang.Object

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

Constructor Detail

EventTimeWrappedOneInputStreamProcessFunction

public EventTimeWrappedOneInputStreamProcessFunction(org.apache.flink.datastream.api.extension.eventtime.function.OneInputEventTimeStreamProcessFunction<IN,OUT> wrappedUserFunction)

Method Detail

open

public void open(org.apache.flink.datastream.api.context.NonPartitionedContext<OUT> ctx)
          throws Exception

Specified by:

open in interface org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>

Throws:

Exception

initEventTimeExtension

public void initEventTimeExtension(@Nullable
                                   org.apache.flink.streaming.api.operators.InternalTimerService<org.apache.flink.runtime.state.VoidNamespace> timerService,
                                   Supplier<Long> eventTimeSupplier,
                                   org.apache.flink.streaming.runtime.watermark.extension.eventtime.EventTimeWatermarkHandler eventTimeWatermarkHandler)

Initialize the event time extension, note that this method should be invoked before open method.

processRecord

public void processRecord(IN record,
                          org.apache.flink.datastream.api.common.Collector<OUT> output,
                          org.apache.flink.datastream.api.context.PartitionedContext<OUT> ctx)
                   throws Exception

Specified by:

processRecord in interface org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>

Throws:

Exception

endInput

public void endInput(org.apache.flink.datastream.api.context.NonPartitionedContext<OUT> ctx)
              throws Exception

Specified by:

endInput in interface org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>

Throws:

Exception

onProcessingTimer

public void onProcessingTimer(long timestamp,
                              org.apache.flink.datastream.api.common.Collector<OUT> output,
                              org.apache.flink.datastream.api.context.PartitionedContext<OUT> ctx)
                       throws Exception

Specified by:

onProcessingTimer in interface org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>

Throws:

Exception

onWatermark

public org.apache.flink.api.common.watermark.WatermarkHandlingResult onWatermark(org.apache.flink.api.common.watermark.Watermark watermark,
                                                                                 org.apache.flink.datastream.api.common.Collector<OUT> output,
                                                                                 org.apache.flink.datastream.api.context.NonPartitionedContext<OUT> ctx)
                                                                          throws Exception

Specified by:

onWatermark in interface org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT>

Throws:

Exception

onEventTime

public void onEventTime(long timestamp,
                        org.apache.flink.datastream.api.common.Collector<OUT> output,
                        org.apache.flink.datastream.api.context.PartitionedContext<OUT> ctx)
                 throws Exception

Throws:

Exception

usesStates

public Set<org.apache.flink.api.common.state.StateDeclaration> usesStates()

Specified by:

usesStates in interface org.apache.flink.datastream.api.function.ProcessFunction

declareWatermarks

public Set<? extends org.apache.flink.api.common.watermark.WatermarkDeclaration> declareWatermarks()

Specified by:

declareWatermarks in interface org.apache.flink.datastream.api.function.ProcessFunction

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.flink.datastream.api.function.ProcessFunction

Throws:

Exception

getWrappedUserFunction

public org.apache.flink.datastream.api.function.OneInputStreamProcessFunction<IN,OUT> getWrappedUserFunction()