org.apache.flink.optimizer.operators

类 CoGroupDescriptor

java.lang.Object

org.apache.flink.optimizer.operators.OperatorDescriptorDual

org.apache.flink.optimizer.operators.CoGroupDescriptor

所有已实现的接口:

AbstractOperatorDescriptor

直接已知子类:

CoGroupWithSolutionSetFirstDescriptor, CoGroupWithSolutionSetSecondDescriptor

public class CoGroupDescriptor
extends OperatorDescriptorDual

嵌套类概要

从类继承的嵌套类/接口 org.apache.flink.optimizer.operators.OperatorDescriptorDual

OperatorDescriptorDual.GlobalPropertiesPair, OperatorDescriptorDual.LocalPropertiesPair

字段概要

从类继承的字段 org.apache.flink.optimizer.operators.OperatorDescriptorDual

keys1, keys2

构造器概要

构造器

构造器和说明
CoGroupDescriptor(org.apache.flink.api.common.operators.util.FieldList keys1, org.apache.flink.api.common.operators.util.FieldList keys2)
CoGroupDescriptor(org.apache.flink.api.common.operators.util.FieldList keys1, org.apache.flink.api.common.operators.util.FieldList keys2, org.apache.flink.api.common.operators.Ordering additionalOrdering1, org.apache.flink.api.common.operators.Ordering additionalOrdering2)

方法概要

限定符和类型	方法和说明
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()
org.apache.flink.runtime.operators.DriverStrategy	getStrategy() Gets the runtime strategy to be executed by this operator.
DualInputPlanNode	instantiate(Channel in1, Channel in2, TwoInputNode node)
void	setCustomPartitioner(org.apache.flink.api.common.functions.Partitioner<?> customPartitioner)

从类继承的方法 org.apache.flink.optimizer.operators.OperatorDescriptorDual

checkCompatibilityBasedOnDiversePartitioningProperty, checkEquivalentFieldPositionsInKeyFields, checkEquivalentFieldPositionsInKeyFields, checkSameOrdering, checkSameOrdering, getPossibleGlobalProperties, getPossibleLocalProperties

从类继承的方法 java.lang.Object

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

构造器详细资料

CoGroupDescriptor

public CoGroupDescriptor(org.apache.flink.api.common.operators.util.FieldList keys1,
                         org.apache.flink.api.common.operators.util.FieldList keys2)

CoGroupDescriptor

public CoGroupDescriptor(org.apache.flink.api.common.operators.util.FieldList keys1,
                         org.apache.flink.api.common.operators.util.FieldList keys2,
                         org.apache.flink.api.common.operators.Ordering additionalOrdering1,
                         org.apache.flink.api.common.operators.Ordering additionalOrdering2)

方法详细资料

setCustomPartitioner

public void setCustomPartitioner(org.apache.flink.api.common.functions.Partitioner<?> customPartitioner)

getStrategy

public org.apache.flink.runtime.operators.DriverStrategy getStrategy()

从接口复制的说明: AbstractOperatorDescriptor

Gets the runtime strategy to be executed by this operator.

返回:

The runtime strategy.

createPossibleGlobalProperties

protected List<OperatorDescriptorDual.GlobalPropertiesPair> createPossibleGlobalProperties()

指定者:

createPossibleGlobalProperties 在类中 OperatorDescriptorDual

createPossibleLocalProperties

protected List<OperatorDescriptorDual.LocalPropertiesPair> createPossibleLocalProperties()

指定者:

createPossibleLocalProperties 在类中 OperatorDescriptorDual

areCompatible

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

指定者:

areCompatible 在类中 OperatorDescriptorDual

areCoFulfilled

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

指定者:

areCoFulfilled 在类中 OperatorDescriptorDual

instantiate

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

指定者:

instantiate 在类中 OperatorDescriptorDual

computeGlobalProperties

public GlobalProperties computeGlobalProperties(GlobalProperties in1,
                                                GlobalProperties in2)

指定者:

computeGlobalProperties 在类中 OperatorDescriptorDual

computeLocalProperties

public LocalProperties computeLocalProperties(LocalProperties in1,
                                              LocalProperties in2)

指定者:

computeLocalProperties 在类中 OperatorDescriptorDual