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

Class TupleLeftUnwrappingJoiner<I1,I2,OUT,K>

java.lang.Object

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

org.apache.flink.api.java.operators.translation.WrappingFunction<org.apache.flink.api.common.functions.FlatJoinFunction<I1,I2,OUT>>

org.apache.flink.api.java.operators.translation.TupleLeftUnwrappingJoiner<I1,I2,OUT,K>

Type Parameters:

I1 - type of values in the left set

I2 - type of values in the right set

OUT - type of resulting values

K - type of key

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.FlatJoinFunction<org.apache.flink.api.java.tuple.Tuple2<K,I1>,I2,OUT>, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction

@Internal
public final class TupleLeftUnwrappingJoiner<I1,I2,OUT,K>
extends WrappingFunction<org.apache.flink.api.common.functions.FlatJoinFunction<I1,I2,OUT>>
implements org.apache.flink.api.common.functions.FlatJoinFunction<org.apache.flink.api.java.tuple.Tuple2<K,I1>,I2,OUT>

Joiner that unwraps values from the left set before applying the join operation.

See Also:

Serialized Form

Field Summary

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

wrappedFunction

Constructor Summary

Constructors

Constructor and Description
TupleLeftUnwrappingJoiner(org.apache.flink.api.common.functions.FlatJoinFunction<I1,I2,OUT> wrapped)

Method Summary

Modifier and Type	Method and Description
void	join(org.apache.flink.api.java.tuple.Tuple2<K,I1> value1, I2 value2, org.apache.flink.util.Collector<OUT> collector)

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

Constructor Detail

TupleLeftUnwrappingJoiner

public TupleLeftUnwrappingJoiner(org.apache.flink.api.common.functions.FlatJoinFunction<I1,I2,OUT> wrapped)

Method Detail

join

public void join(org.apache.flink.api.java.tuple.Tuple2<K,I1> value1,
                 I2 value2,
                 org.apache.flink.util.Collector<OUT> collector)
          throws Exception

Specified by:

join in interface org.apache.flink.api.common.functions.FlatJoinFunction<org.apache.flink.api.java.tuple.Tuple2<K,I1>,I2,OUT>

Throws:

Exception