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

Class WrappingFunction<T extends Function>

java.lang.Object

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

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

All Implemented Interfaces:

Serializable, Function, RichFunction

Direct Known Subclasses:

CoGroupOperator.WrappingCoGroupFunction, JoinOperator.DefaultJoin.WrappingFlatJoinFunction, PlanBothUnwrappingCoGroupOperator.TupleBothUnwrappingCoGrouper, PlanBothUnwrappingJoinOperator.TupleUnwrappingJoiner, PlanFilterOperator.FlatMapFilter, PlanLeftUnwrappingCoGroupOperator.TupleLeftUnwrappingCoGrouper, PlanLeftUnwrappingJoinOperator.TupleLeftUnwrappingJoiner, PlanRightUnwrappingCoGroupOperator.TupleRightUnwrappingCoGrouper, PlanRightUnwrappingJoinOperator.TupleRightUnwrappingJoiner, PlanUnwrappingReduceGroupOperator.TupleUnwrappingFlatCombinableGroupReducer, PlanUnwrappingReduceGroupOperator.TupleUnwrappingNonCombinableGroupReducer, PlanUnwrappingReduceOperator.ReduceWrapper, ReduceOperator.WrappingReduceFunction

public abstract class WrappingFunction<T extends Function>
extends AbstractRichFunction

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(Configuration parameters)
void	setRuntimeContext(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 Function wrappedFunction

Constructor Detail

WrappingFunction

protected WrappingFunction(T wrappedFunction)

Method Detail

open

public void open(Configuration parameters)
          throws Exception

Specified by:

open in interface RichFunction

Overrides:

open in class AbstractRichFunction

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface RichFunction

Overrides:

close in class AbstractRichFunction

Throws:

Exception

setRuntimeContext

public void setRuntimeContext(RuntimeContext t)

Specified by:

setRuntimeContext in interface RichFunction

Overrides:

setRuntimeContext in class AbstractRichFunction

getWrappedFunction

public T getWrappedFunction()