org.apache.flink.api.java.operators

Class CrossOperator<I1,I2,OUT>

java.lang.Object

org.apache.flink.api.java.DataSet<OUT>

org.apache.flink.api.java.operators.Operator<OUT,O>

org.apache.flink.api.java.operators.TwoInputOperator<IN1,IN2,OUT,O>

org.apache.flink.api.java.operators.TwoInputUdfOperator<I1,I2,OUT,CrossOperator<I1,I2,OUT>>

org.apache.flink.api.java.operators.CrossOperator<I1,I2,OUT>

Type Parameters:

I1 - The type of the first input DataSet of the Cross transformation.

I2 - The type of the second input DataSet of the Cross transformation.

OUT - The type of the result of the Cross transformation.

All Implemented Interfaces:

UdfOperator<CrossOperator<I1,I2,OUT>>

Direct Known Subclasses:

CrossOperator.DefaultCross, CrossOperator.ProjectCross

public class CrossOperator<I1,I2,OUT>
extends TwoInputUdfOperator<I1,I2,OUT,CrossOperator<I1,I2,OUT>>

A DataSet that is the result of a Cross transformation.

See Also:

DataSet

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CrossOperator.CrossProjection<I1,I2>
static class	CrossOperator.DefaultCross<I1,I2> A Cross transformation that wraps pairs of crossed elements into Tuple2. It also represents the DataSet that is the result of a Cross transformation.
static class	CrossOperator.DefaultCrossFunction<T1,T2>
static class	CrossOperator.ProjectCross<I1,I2,OUT extends Tuple> A Cross transformation that projects crossing elements or fields of crossing Tuples into result Tuples.
static class	CrossOperator.ProjectCrossFunction<T1,T2,R extends Tuple>

Field Summary

Fields inherited from class org.apache.flink.api.java.operators.Operator

dop, name

Constructor Summary

Constructors

Constructor and Description
CrossOperator(DataSet<I1> input1, DataSet<I2> input2, CrossFunction<I1,I2,OUT> function, TypeInformation<OUT> returnType, String defaultName)

Method Summary

Methods

Modifier and Type	Method and Description
void	generateProjectionProperties(CrossOperator.ProjectCrossFunction<?,?,?> pcf)
protected CrossOperatorBase<I1,I2,OUT,CrossFunction<I1,I2,OUT>>	translateToDataFlow(Operator<I1> input1, Operator<I2> input2) Translates this java API operator into a common API operator with two inputs.

Methods inherited from class org.apache.flink.api.java.operators.TwoInputUdfOperator

extractSemanticAnnotationsFromUdf, getBroadcastSets, getParameters, getSemanticProperties, setSemanticProperties, withBroadcastSet, withConstantSetFirst, withConstantSetSecond, withParameters

Methods inherited from class org.apache.flink.api.java.operators.TwoInputOperator

getInput1, getInput1Type, getInput2, getInput2Type

Methods inherited from class org.apache.flink.api.java.operators.Operator

getName, getParallelism, getResultType, name, setParallelism

Methods inherited from class org.apache.flink.api.java.DataSet

aggregate, checkSameExecutionContext, clean, coGroup, cross, crossWithHuge, crossWithTiny, distinct, distinct, distinct, distinct, filter, first, flatMap, getExecutionEnvironment, getType, groupBy, groupBy, groupBy, iterate, iterateDelta, join, join, joinWithHuge, joinWithTiny, map, mapPartition, max, maxBy, min, minBy, output, partitionByHash, partitionByHash, partitionByHash, partitionCustom, partitionCustom, partitionCustom, print, printToErr, project, rebalance, reduce, reduceGroup, runOperation, sum, union, write, write, writeAsCsv, writeAsCsv, writeAsCsv, writeAsCsv, writeAsFormattedText, writeAsFormattedText, writeAsText, writeAsText

Methods inherited from class java.lang.Object

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

Constructor Detail

CrossOperator

public CrossOperator(DataSet<I1> input1,
             DataSet<I2> input2,
             CrossFunction<I1,I2,OUT> function,
             TypeInformation<OUT> returnType,
             String defaultName)

Method Detail

generateProjectionProperties

public void generateProjectionProperties(CrossOperator.ProjectCrossFunction<?,?,?> pcf)

translateToDataFlow

protected CrossOperatorBase<I1,I2,OUT,CrossFunction<I1,I2,OUT>> translateToDataFlow(Operator<I1> input1,
                                                                        Operator<I2> input2)

Description copied from class: TwoInputOperator

Translates this java API operator into a common API operator with two inputs.

Specified by:

translateToDataFlow in class TwoInputOperator<I1,I2,OUT,CrossOperator<I1,I2,OUT>>

Parameters:

input1 - The first input of the operation, as a common API operator.

input2 - The second input of the operation, as a common API operator.

Returns:

The created common API operator.