org.apache.flink.optimizer.dag

Class UnaryOperatorNode

java.lang.Object

org.apache.flink.optimizer.dag.OptimizerNode

org.apache.flink.optimizer.dag.SingleInputNode

org.apache.flink.optimizer.dag.UnaryOperatorNode

All Implemented Interfaces:

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

Direct Known Subclasses:

NoOpNode

public class UnaryOperatorNode
extends SingleInputNode

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 and Description
UnaryOperatorNode(String name, org.apache.flink.api.common.operators.util.FieldSet keys, List<OperatorDescriptorSingle> operators)
UnaryOperatorNode(String name, org.apache.flink.api.common.operators.util.FieldSet keys, OperatorDescriptorSingle... operators)
UnaryOperatorNode(String name, org.apache.flink.api.common.operators.SingleInputOperator<?,?,?> operator, boolean onDynamicPath)

Method Summary

Modifier and Type	Method and Description
protected void	computeOperatorSpecificDefaultEstimates(DataStatistics statistics)
String	getOperatorName() Gets the name of this node, which is the name of the function/operator, or data source / data sink.
protected List<OperatorDescriptorSingle>	getPossibleProperties()
org.apache.flink.api.common.operators.SemanticProperties	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

UnaryOperatorNode

public UnaryOperatorNode(String name,
                         org.apache.flink.api.common.operators.SingleInputOperator<?,?,?> operator,
                         boolean onDynamicPath)

UnaryOperatorNode

public UnaryOperatorNode(String name,
                         org.apache.flink.api.common.operators.util.FieldSet keys,
                         OperatorDescriptorSingle... operators)

UnaryOperatorNode

public UnaryOperatorNode(String name,
                         org.apache.flink.api.common.operators.util.FieldSet keys,
                         List<OperatorDescriptorSingle> operators)

Method Detail

getPossibleProperties

protected List<OperatorDescriptorSingle> getPossibleProperties()

Specified by:

getPossibleProperties in class SingleInputNode

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.

getSemanticProperties

public org.apache.flink.api.common.operators.SemanticProperties getSemanticProperties()

Overrides:

getSemanticProperties in class SingleInputNode

computeOperatorSpecificDefaultEstimates

protected void computeOperatorSpecificDefaultEstimates(DataStatistics statistics)

Specified by:

computeOperatorSpecificDefaultEstimates in class OptimizerNode