Package org.apache.flink.optimizer.dag

Class CoGroupNode

java.lang.Object

org.apache.flink.optimizer.dag.OptimizerNode

org.apache.flink.optimizer.dag.TwoInputNode

org.apache.flink.optimizer.dag.CoGroupNode

All Implemented Interfaces:

EstimateProvider, DumpableNode<OptimizerNode>, org.apache.flink.util.Visitable<OptimizerNode>

public class CoGroupNode
extends TwoInputNode

The Optimizer representation of a CoGroup operator.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.optimizer.dag.OptimizerNode

OptimizerNode.UnclosedBranchDescriptor

Field Summary

Fields inherited from class org.apache.flink.optimizer.dag.TwoInputNode

input1, input2, keys1, keys2

Fields inherited from class org.apache.flink.optimizer.dag.OptimizerNode

cachedPlans, closedBranchingNodes, costWeight, estimatedNumRecords, estimatedOutputSize, hereJoinedBranches, id, MAX_DYNAMIC_PATH_COST_WEIGHT, onDynamicPath, openBranches, uniqueFields

Constructor Summary

Constructors

Constructor	Description
CoGroupNode(org.apache.flink.api.common.operators.base.CoGroupOperatorBase<?,?,?,?> operator)

Method Summary

Modifier and Type	Method	Description
protected void	computeOperatorSpecificDefaultEstimates(DataStatistics statistics)
org.apache.flink.api.common.operators.base.CoGroupOperatorBase<?,?,?,?>	getOperator()	Gets the operator for this CoGroup node.
String	getOperatorName()	Gets the name of this node, which is the name of the function/operator, or data source / data sink.
protected List<OperatorDescriptorDual>	getPossibleProperties()
protected org.apache.flink.api.common.operators.SemanticProperties	getSemanticPropertiesForLocalPropertyFiltering()
void	makeCoGroupWithSolutionSet(int solutionsetInputIndex)

Methods inherited from class org.apache.flink.optimizer.dag.TwoInputNode

accept, addLocalCandidates, computeInterestingPropertiesForInputs, computeUnclosedBranchStack, getAlternativePlans, getFirstIncomingConnection, getFirstPredecessorNode, getIncomingConnections, getSecondIncomingConnection, getSecondPredecessorNode, getSemanticProperties, getSemanticPropertiesForGlobalPropertyFiltering, instantiate, placePipelineBreakersIfNecessary, setInput

Methods inherited from class org.apache.flink.optimizer.dag.OptimizerNode

addBroadcastConnection, addClosedBranch, addClosedBranches, addOutgoingConnection, areBranchCompatible, clearInterestingProperties, computeOutputEstimates, computeUnclosedBranchStackForBroadcastInputs, computeUnionOfInterestingPropertiesFromSuccessors, getBranchesForParent, getBroadcastConnectionNames, getBroadcastConnections, getClosedBranchingNodes, getCostWeight, getDumpableInputs, getEstimatedAvgWidthPerOutputRecord, getEstimatedNumRecords, getEstimatedOutputSize, getId, getInterestingProperties, getMaxDepth, getMinimalMemoryAcrossAllSubTasks, getOpenBranches, getOptimizerNode, getOutgoingConnections, getParallelism, getPlanNode, getPredecessors, getUniqueFields, hasUnclosedBranches, haveAllOutputConnectionInterestingProperties, identifyDynamicPath, initId, isBranching, isOnDynamicPath, markAllOutgoingConnectionsAsPipelineBreaking, mergeLists, prunePlanAlternatives, prunePlanAlternativesWithCommonBranching, readStubAnnotations, readUniqueFieldsAnnotation, removeClosedBranches, setBroadcastInputs, setEstimatedNumRecords, setEstimatedOutputSize, setParallelism, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

CoGroupNode

public CoGroupNode(org.apache.flink.api.common.operators.base.CoGroupOperatorBase<?,?,?,?> operator)

Method Detail

getOperator

public org.apache.flink.api.common.operators.base.CoGroupOperatorBase<?,?,?,?> getOperator()

Gets the operator for this CoGroup node.

Overrides:

getOperator in class TwoInputNode

Returns:

The CoGroup operator.

getOperatorName

public String getOperatorName()

Description copied from class: OptimizerNode

Gets the name of this node, which is the name of the function/operator, or data source / data sink.

Specified by:

getOperatorName in class OptimizerNode

Returns:

The node name.

getPossibleProperties

protected List<OperatorDescriptorDual> getPossibleProperties()

Specified by:

getPossibleProperties in class TwoInputNode

makeCoGroupWithSolutionSet

public void makeCoGroupWithSolutionSet(int solutionsetInputIndex)

getSemanticPropertiesForLocalPropertyFiltering

protected org.apache.flink.api.common.operators.SemanticProperties getSemanticPropertiesForLocalPropertyFiltering()

Overrides:

getSemanticPropertiesForLocalPropertyFiltering in class TwoInputNode

computeOperatorSpecificDefaultEstimates

protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics)

Specified by:

computeOperatorSpecificDefaultEstimates in class OptimizerNode