Class CartesianOperator<InputType0,InputType1>
- java.lang.Object
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- org.apache.wayang.core.plan.wayangplan.OperatorBase
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- org.apache.wayang.core.plan.wayangplan.BinaryToUnaryOperator<InputType0,InputType1,Tuple2<InputType0,InputType1>>
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- org.apache.wayang.basic.operators.CartesianOperator<InputType0,InputType1>
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- All Implemented Interfaces:
java.io.Serializable
,ActualOperator
,ElementaryOperator
,Operator
- Direct Known Subclasses:
FlinkCartesianOperator
,JavaCartesianOperator
,SparkCartesianOperator
public class CartesianOperator<InputType0,InputType1> extends BinaryToUnaryOperator<InputType0,InputType1,Tuple2<InputType0,InputType1>>
This operator returns the cartesian product of elements of input datasets.- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.wayang.core.plan.wayangplan.OperatorBase
OperatorBase.GsonSerializer
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Field Summary
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Fields inherited from class org.apache.wayang.core.plan.wayangplan.OperatorBase
inputSlots, outputSlots, STANDARD_OPERATOR_ARGS
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Fields inherited from interface org.apache.wayang.core.plan.wayangplan.Operator
FIRST_EPOCH
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Constructor Summary
Constructors Constructor Description CartesianOperator(java.lang.Class<InputType0> inputType0Class, java.lang.Class<InputType1> inputType1Class)
CartesianOperator(CartesianOperator<InputType0,InputType1> that)
Copies an instance (exclusive of broadcasts).CartesianOperator(DataSetType<InputType0> inputType0, DataSetType<InputType1> inputType1)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.util.Optional<CardinalityEstimator>
createCardinalityEstimator(int outputIndex, Configuration configuration)
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Methods inherited from class org.apache.wayang.core.plan.wayangplan.BinaryToUnaryOperator
getInputType0, getInputType1, getOutputType
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Methods inherited from class org.apache.wayang.core.plan.wayangplan.OperatorBase
accept, addBroadcastInput, addTargetPlatform, at, collectMappedInputSlots, collectMappedOutputSlots, copy, createCopy, getAllInputs, getAllOutputs, getCardinalityEstimator, getContainer, getEpoch, getName, getOriginal, getSimpleClassName, getTargetPlatforms, isAuxiliary, isSupportingBroadcastInputs, propagateInputCardinality, propagateOutputCardinality, setAuxiliary, setCardinalityEstimator, setContainer, setEpoch, setName, toString
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.wayang.core.plan.wayangplan.ActualOperator
accept
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Methods inherited from interface org.apache.wayang.core.plan.wayangplan.ElementaryOperator
getCardinalityEstimator, isAuxiliary, setAuxiliary, setCardinalityEstimator
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Methods inherited from interface org.apache.wayang.core.plan.wayangplan.Operator
addBroadcastInput, addTargetPlatform, broadcastTo, broadcastTo, collectMappedInputSlots, collectMappedOutputSlots, connectTo, connectTo, getAllInputs, getAllOutputs, getCardinalityPusher, getContainer, getEffectiveOccupant, getEffectiveOccupant, getEpoch, getEstimationContextProperties, getForwards, getInnermostLoop, getInput, getInput, getLoopStack, getName, getNumBroadcastInputs, getNumInputs, getNumOutputs, getNumRegularInputs, getOuterInputSlot, getOutermostInputSlot, getOutermostOutputSlots, getOutput, getOutput, getParent, getTargetPlatforms, isAlternative, isElementary, isExecutionOperator, isFeedbackInput, isFeedforwardOutput, isLoopHead, isLoopSubplan, isOwnerOf, isReading, isSink, isSource, isSubplan, isSupportingBroadcastInputs, isUnconnected, propagateInputCardinality, propagateOutputCardinality, propagateOutputCardinality, setContainer, setEpoch, setInput, setName, setOutput
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Constructor Detail
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CartesianOperator
public CartesianOperator(java.lang.Class<InputType0> inputType0Class, java.lang.Class<InputType1> inputType1Class)
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CartesianOperator
public CartesianOperator(DataSetType<InputType0> inputType0, DataSetType<InputType1> inputType1)
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CartesianOperator
public CartesianOperator(CartesianOperator<InputType0,InputType1> that)
Copies an instance (exclusive of broadcasts).- Parameters:
that
- that should be copied
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Method Detail
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createCardinalityEstimator
public java.util.Optional<CardinalityEstimator> createCardinalityEstimator(int outputIndex, Configuration configuration)
Description copied from interface:ElementaryOperator
- Parameters:
outputIndex
- index of theOutputSlot
for that theCardinalityEstimator
is requestedconfiguration
- if theCardinalityEstimator
depends on further ones, use this to obtain the latter- Returns:
- an
Optional
that might provide the requested instance
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