org.apache.flink.optimizer.operators

Class CoGroupDescriptor

java.lang.Object

org.apache.flink.optimizer.operators.OperatorDescriptorDual

org.apache.flink.optimizer.operators.CoGroupDescriptor

All Implemented Interfaces:

AbstractOperatorDescriptor

Direct Known Subclasses:

CoGroupWithSolutionSetFirstDescriptor, CoGroupWithSolutionSetSecondDescriptor

public class CoGroupDescriptor
extends OperatorDescriptorDual

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.optimizer.operators.OperatorDescriptorDual

OperatorDescriptorDual.GlobalPropertiesPair, OperatorDescriptorDual.LocalPropertiesPair

Field Summary

Fields inherited from class org.apache.flink.optimizer.operators.OperatorDescriptorDual

keys1, keys2

Constructor Summary

Constructors

Constructor and Description
CoGroupDescriptor(FieldList keys1, FieldList keys2)
CoGroupDescriptor(FieldList keys1, FieldList keys2, Ordering additionalOrdering1, Ordering additionalOrdering2)

Method Summary

Modifier and Type	Method and Description
boolean	areCoFulfilled(RequestedLocalProperties requested1, RequestedLocalProperties requested2, LocalProperties produced1, LocalProperties produced2)
boolean	areCompatible(RequestedGlobalProperties requested1, RequestedGlobalProperties requested2, GlobalProperties produced1, GlobalProperties produced2)
GlobalProperties	computeGlobalProperties(GlobalProperties in1, GlobalProperties in2)
LocalProperties	computeLocalProperties(LocalProperties in1, LocalProperties in2)
protected List<OperatorDescriptorDual.GlobalPropertiesPair>	createPossibleGlobalProperties()
protected List<OperatorDescriptorDual.LocalPropertiesPair>	createPossibleLocalProperties()
DriverStrategy	getStrategy() Gets the runtime strategy to be executed by this operator.
DualInputPlanNode	instantiate(Channel in1, Channel in2, TwoInputNode node)
void	setCustomPartitioner(Partitioner<?> customPartitioner)

Methods inherited from class org.apache.flink.optimizer.operators.OperatorDescriptorDual

checkEquivalentFieldPositionsInKeyFields, checkEquivalentFieldPositionsInKeyFields, checkSameOrdering, checkSameOrdering, getPossibleGlobalProperties, getPossibleLocalProperties

Methods inherited from class java.lang.Object

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

Constructor Detail

CoGroupDescriptor

public CoGroupDescriptor(FieldList keys1,
                         FieldList keys2)

CoGroupDescriptor

public CoGroupDescriptor(FieldList keys1,
                         FieldList keys2,
                         Ordering additionalOrdering1,
                         Ordering additionalOrdering2)

Method Detail

setCustomPartitioner

public void setCustomPartitioner(Partitioner<?> customPartitioner)

getStrategy

public DriverStrategy getStrategy()

Description copied from interface: AbstractOperatorDescriptor

Gets the runtime strategy to be executed by this operator.

Returns:

The runtime strategy.

createPossibleGlobalProperties

protected List<OperatorDescriptorDual.GlobalPropertiesPair> createPossibleGlobalProperties()

Specified by:

createPossibleGlobalProperties in class OperatorDescriptorDual

createPossibleLocalProperties

protected List<OperatorDescriptorDual.LocalPropertiesPair> createPossibleLocalProperties()

Specified by:

createPossibleLocalProperties in class OperatorDescriptorDual

areCompatible

public boolean areCompatible(RequestedGlobalProperties requested1,
                             RequestedGlobalProperties requested2,
                             GlobalProperties produced1,
                             GlobalProperties produced2)

Specified by:

areCompatible in class OperatorDescriptorDual

areCoFulfilled

public boolean areCoFulfilled(RequestedLocalProperties requested1,
                              RequestedLocalProperties requested2,
                              LocalProperties produced1,
                              LocalProperties produced2)

Specified by:

areCoFulfilled in class OperatorDescriptorDual

instantiate

public DualInputPlanNode instantiate(Channel in1,
                                     Channel in2,
                                     TwoInputNode node)

Specified by:

instantiate in class OperatorDescriptorDual

computeGlobalProperties

public GlobalProperties computeGlobalProperties(GlobalProperties in1,
                                                GlobalProperties in2)

Specified by:

computeGlobalProperties in class OperatorDescriptorDual

computeLocalProperties

public LocalProperties computeLocalProperties(LocalProperties in1,
                                              LocalProperties in2)

Specified by:

computeLocalProperties in class OperatorDescriptorDual