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

Class TupleWrappingCollector<IN,K>

java.lang.Object

org.apache.flink.api.java.operators.translation.TupleWrappingCollector<IN,K>

All Implemented Interfaces:

Serializable, org.apache.flink.util.Collector<IN>

@Internal
public class TupleWrappingCollector<IN,K>
extends Object
implements org.apache.flink.util.Collector<IN>, Serializable

Needed to wrap tuples to Tuple2<key, value> pairs for combine method of group reduce with key selector function.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TupleWrappingCollector(TupleUnwrappingIterator<IN,K> tui)

Method Summary

Modifier and Type	Method and Description
void	close()
void	collect(IN record)
void	set(org.apache.flink.util.Collector<org.apache.flink.api.java.tuple.Tuple2<K,IN>> wrappedCollector)

Methods inherited from class java.lang.Object

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

Constructor Detail

TupleWrappingCollector

public TupleWrappingCollector(TupleUnwrappingIterator<IN,K> tui)

Method Detail

set

public void set(org.apache.flink.util.Collector<org.apache.flink.api.java.tuple.Tuple2<K,IN>> wrappedCollector)

close

public void close()

Specified by:

close in interface org.apache.flink.util.Collector<IN>

collect

public void collect(IN record)

Specified by:

collect in interface org.apache.flink.util.Collector<IN>