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

Class PlanFilterOperator.FlatMapFilter<T>

java.lang.Object

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

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

org.apache.flink.api.java.operators.translation.PlanFilterOperator.FlatMapFilter<T>

Type Parameters:

T -

All Implemented Interfaces:

Serializable, FlatMapFunction<T,T>, Function, RichFunction

Enclosing class:

PlanFilterOperator<T>

public static final class PlanFilterOperator.FlatMapFilter<T>
extends WrappingFunction<FilterFunction<T>>
implements FlatMapFunction<T,T>

See Also:

FlatMapFunction, Serialized Form

Field Summary

Fields inherited from class org.apache.flink.api.java.operators.translation.WrappingFunction

wrappedFunction

Method Summary

Modifier and Type	Method and Description
void	flatMap(T value, Collector<T> out) The core method of the FlatMapFunction.

Methods inherited from class org.apache.flink.api.java.operators.translation.WrappingFunction

close, getWrappedFunction, open, setRuntimeContext

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

Method Detail

flatMap

public final void flatMap(T value,
                          Collector<T> out)
                   throws Exception

Description copied from interface: FlatMapFunction

The core method of the FlatMapFunction. Takes an element from the input data set and transforms it into zero, one, or more elements.

Specified by:

flatMap in interface FlatMapFunction<T,T>

Parameters:

value - The input value.

out - The collector for returning result values.

Throws:

Exception - This method may throw exceptions. Throwing an exception will cause the operation to fail and may trigger recovery.