Package org.apache.flink.table.runtime.collector

Class ListenableCollector<T>

java.lang.Object

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

org.apache.flink.table.runtime.collector.TableFunctionCollector<T>

org.apache.flink.table.runtime.collector.ListenableCollector<T>

All Implemented Interfaces:

Serializable, Function, RichFunction, Collector<T>

@Internal
public abstract class ListenableCollector<T>
extends TableFunctionCollector<T>

A listenable collector for lookup join that can be called when an original record was collected.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ListenableCollector.CollectListener<T>	An interface can listen on collecting original record.

Constructor Summary

Constructors

Constructor	Description
ListenableCollector()

Method Summary

Modifier and Type	Method	Description
protected Optional<ListenableCollector.CollectListener<T>>	getCollectListener()
void	setCollectListener(ListenableCollector.CollectListener<T> collectListener)

Methods inherited from class org.apache.flink.table.runtime.collector.TableFunctionCollector

close, getInput, isCollected, outputResult, reset, setCollector, setInput

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

getIterationRuntimeContext, getRuntimeContext, open, setRuntimeContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.util.Collector

collect

Constructor Detail

ListenableCollector

public ListenableCollector()

Method Detail

setCollectListener

public void setCollectListener(@Nullable
                               ListenableCollector.CollectListener<T> collectListener)

getCollectListener

protected Optional<ListenableCollector.CollectListener<T>> getCollectListener()