stream.scotty.flinkconnector

Class KeyedScottyWindowOperator<Key,InputType,FinalAggregateType>

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.streaming.api.functions.KeyedProcessFunction<Key,InputType,AggregateWindow<FinalAggregateType>>

flinkconnector.stream.scotty.KeyedScottyWindowOperator<Key,InputType,FinalAggregateType>

All Implemented Interfaces:

java.io.Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction

public class KeyedScottyWindowOperator<Key,InputType,FinalAggregateType>
extends org.apache.flink.streaming.api.functions.KeyedProcessFunction<Key,InputType,AggregateWindow<FinalAggregateType>>

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.streaming.api.functions.KeyedProcessFunction

org.apache.flink.streaming.api.functions.KeyedProcessFunction.Context, org.apache.flink.streaming.api.functions.KeyedProcessFunction.OnTimerContext

Field Summary

Fields

Modifier and Type	Field and Description
private long	lastWatermark
private java.util.HashMap<Key,SlicingWindowOperator<InputType>>	slicingWindowOperatorMap
private MemoryStateFactory	stateFactory
private AggregateFunction<InputType,?,FinalAggregateType>	windowFunction
private java.util.List<Window>	windows

Constructor Summary

Constructors

Constructor and Description
KeyedScottyWindowOperator(AggregateFunction<InputType,?,FinalAggregateType> windowFunction)

Method Summary

Modifier and Type	Method and Description
void	addWindow(Window window) Register a new @Window definition to the ActiveWindow Operator.
Key	getKey(org.apache.flink.streaming.api.functions.KeyedProcessFunction.Context ctx)
SlicingWindowOperator<InputType>	initWindowOperator()
void	open(org.apache.flink.configuration.Configuration parameters)
void	processElement(InputType value, org.apache.flink.streaming.api.functions.KeyedProcessFunction.Context ctx, org.apache.flink.util.Collector<AggregateWindow<FinalAggregateType>> out)
private void	processWatermark(org.apache.flink.streaming.api.functions.KeyedProcessFunction.Context ctx, org.apache.flink.util.Collector<AggregateWindow<FinalAggregateType>> out)

Methods inherited from class org.apache.flink.streaming.api.functions.KeyedProcessFunction

onTimer

Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction

close, getIterationRuntimeContext, getRuntimeContext, setRuntimeContext

Methods inherited from class java.lang.Object

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

Field Detail

stateFactory

private MemoryStateFactory stateFactory

slicingWindowOperatorMap

private java.util.HashMap<Key,SlicingWindowOperator<InputType>> slicingWindowOperatorMap

lastWatermark

private long lastWatermark

windowFunction

private final AggregateFunction<InputType,?,FinalAggregateType> windowFunction

windows

private final java.util.List<Window> windows

Constructor Detail

KeyedScottyWindowOperator

public KeyedScottyWindowOperator(AggregateFunction<InputType,?,FinalAggregateType> windowFunction)

Method Detail

open

public void open(org.apache.flink.configuration.Configuration parameters)
          throws java.lang.Exception

Specified by:

open in interface org.apache.flink.api.common.functions.RichFunction

Overrides:

open in class org.apache.flink.api.common.functions.AbstractRichFunction

Throws:

java.lang.Exception

initWindowOperator

public SlicingWindowOperator<InputType> initWindowOperator()

getKey

public Key getKey(org.apache.flink.streaming.api.functions.KeyedProcessFunction.Context ctx)

processElement

public void processElement(InputType value,
                           org.apache.flink.streaming.api.functions.KeyedProcessFunction.Context ctx,
                           org.apache.flink.util.Collector<AggregateWindow<FinalAggregateType>> out)
                    throws java.lang.Exception

Specified by:

processElement in class org.apache.flink.streaming.api.functions.KeyedProcessFunction<Key,InputType,AggregateWindow<FinalAggregateType>>

Throws:

java.lang.Exception

processWatermark

private void processWatermark(org.apache.flink.streaming.api.functions.KeyedProcessFunction.Context ctx,
                              org.apache.flink.util.Collector<AggregateWindow<FinalAggregateType>> out)

addWindow

public void addWindow(Window window)

Register a new @Window definition to the ActiveWindow Operator. For example SlidingWindow or TumblingWindow

Parameters:

window - the new window definition