org.apache.flink.optimizer.operators

类 AbstractJoinDescriptor

java.lang.Object

org.apache.flink.optimizer.operators.OperatorDescriptorDual

org.apache.flink.optimizer.operators.AbstractJoinDescriptor

所有已实现的接口:

AbstractOperatorDescriptor

直接已知子类:

AbstractSortMergeJoinDescriptor, HashFullOuterJoinBuildFirstDescriptor, HashFullOuterJoinBuildSecondDescriptor, HashJoinBuildFirstProperties, HashJoinBuildSecondProperties, HashLeftOuterJoinBuildFirstDescriptor, HashLeftOuterJoinBuildSecondDescriptor, HashRightOuterJoinBuildFirstDescriptor, HashRightOuterJoinBuildSecondDescriptor

public abstract class AbstractJoinDescriptor
extends OperatorDescriptorDual

Defines the possible global properties for a join.

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

限定符	构造器和说明
protected	AbstractJoinDescriptor(org.apache.flink.api.common.operators.util.FieldList keys1, org.apache.flink.api.common.operators.util.FieldList keys2)
protected	AbstractJoinDescriptor(org.apache.flink.api.common.operators.util.FieldList keys1, org.apache.flink.api.common.operators.util.FieldList keys2, boolean broadcastFirstAllowed, boolean broadcastSecondAllowed, boolean repartitionAllowed)

方法概要

限定符和类型	方法和说明
boolean	areCompatible(RequestedGlobalProperties requested1, RequestedGlobalProperties requested2, GlobalProperties produced1, GlobalProperties produced2)
GlobalProperties	computeGlobalProperties(GlobalProperties in1, GlobalProperties in2)
protected List<OperatorDescriptorDual.GlobalPropertiesPair>	createPossibleGlobalProperties()
void	setCustomPartitioner(org.apache.flink.api.common.functions.Partitioner<?> partitioner)

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

areCoFulfilled, checkCompatibilityBasedOnDiversePartitioningProperty, checkEquivalentFieldPositionsInKeyFields, checkEquivalentFieldPositionsInKeyFields, checkSameOrdering, checkSameOrdering, computeLocalProperties, createPossibleLocalProperties, getPossibleGlobalProperties, getPossibleLocalProperties, instantiate

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.optimizer.operators.AbstractOperatorDescriptor

getStrategy

构造器详细资料

AbstractJoinDescriptor

protected AbstractJoinDescriptor(org.apache.flink.api.common.operators.util.FieldList keys1,
                                 org.apache.flink.api.common.operators.util.FieldList keys2)

AbstractJoinDescriptor

protected AbstractJoinDescriptor(org.apache.flink.api.common.operators.util.FieldList keys1,
                                 org.apache.flink.api.common.operators.util.FieldList keys2,
                                 boolean broadcastFirstAllowed,
                                 boolean broadcastSecondAllowed,
                                 boolean repartitionAllowed)

方法详细资料

setCustomPartitioner

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

createPossibleGlobalProperties

protected List<OperatorDescriptorDual.GlobalPropertiesPair> createPossibleGlobalProperties()

指定者:

createPossibleGlobalProperties 在类中 OperatorDescriptorDual

areCompatible

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

指定者:

areCompatible 在类中 OperatorDescriptorDual

computeGlobalProperties

public GlobalProperties computeGlobalProperties(GlobalProperties in1,
                                                GlobalProperties in2)

指定者:

computeGlobalProperties 在类中 OperatorDescriptorDual