org.apache.flink.api.java.operators.translation

Class WrappingFunction<T extends org.apache.flink.api.common.functions.Function>

java.lang.Object

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

org.apache.flink.api.java.operators.translation.WrappingFunction<T>

Type Parameters:

T -

All Implemented Interfaces:

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

Direct Known Subclasses:

JoinOperator.DefaultJoin.WrappingFlatJoinFunction, PlanFilterOperator.FlatMapFilter, TupleLeftUnwrappingJoiner, TupleRightUnwrappingJoiner, TupleUnwrappingJoiner

@Internal
public abstract class WrappingFunction<T extends org.apache.flink.api.common.functions.Function>
extends org.apache.flink.api.common.functions.AbstractRichFunction

Wrapper around Function.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected T	wrappedFunction

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	WrappingFunction(T wrappedFunction)

Method Summary

Modifier and Type	Method and Description
void	close()
T	getWrappedFunction()
void	open(org.apache.flink.configuration.Configuration parameters)
void	setRuntimeContext(org.apache.flink.api.common.functions.RuntimeContext t)

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

getIterationRuntimeContext, getRuntimeContext

Methods inherited from class java.lang.Object

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

Field Detail

wrappedFunction

protected T extends org.apache.flink.api.common.functions.Function wrappedFunction

Constructor Detail

WrappingFunction

protected WrappingFunction(T wrappedFunction)

Method Detail

open

public void open(org.apache.flink.configuration.Configuration parameters)
          throws 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:

Exception

close

public void close()
           throws Exception

Specified by:

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

Overrides:

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

Throws:

Exception

setRuntimeContext

public void setRuntimeContext(org.apache.flink.api.common.functions.RuntimeContext t)

Specified by:

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

Overrides:

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

getWrappedFunction

public T getWrappedFunction()