Package org.apache.flink.optimizer.dag

Class NoOpNode

java.lang.Object

org.apache.flink.optimizer.dag.OptimizerNode

org.apache.flink.optimizer.dag.SingleInputNode

org.apache.flink.optimizer.dag.UnaryOperatorNode

org.apache.flink.optimizer.dag.NoOpNode

All Implemented Interfaces:

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

public class NoOpNode
extends UnaryOperatorNode

The optimizer's internal representation of a No Operation node.

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.SingleInputNode

inConn, keys

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
NoOpNode()
NoOpNode(String name)

Method Summary

Modifier and Type	Method	Description
protected void	computeOperatorSpecificDefaultEstimates(DataStatistics statistics)

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

getOperatorName, getPossibleProperties, getSemanticProperties

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

accept, addLocalCandidates, computeInterestingPropertiesForInputs, computeUnclosedBranchStack, getAlternativePlans, getIncomingConnection, getIncomingConnections, getOperator, getPredecessorNode, getSemanticPropertiesForGlobalPropertyFiltering, getSemanticPropertiesForLocalPropertyFiltering, instantiateCandidate, setIncomingConnection, 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

NoOpNode

public NoOpNode()

NoOpNode

public NoOpNode(String name)

Method Detail

computeOperatorSpecificDefaultEstimates

protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics)

Overrides:

computeOperatorSpecificDefaultEstimates in class UnaryOperatorNode