org.apache.flink.api.java.operators.translation

类 PlanUnwrappingReduceOperator<T,K>

java.lang.Object

org.apache.flink.api.common.operators.Operator<OUT>

org.apache.flink.api.common.operators.AbstractUdfOperator<OUT,FT>

org.apache.flink.api.common.operators.SingleInputOperator<T,T,FT>

org.apache.flink.api.common.operators.base.ReduceOperatorBase<org.apache.flink.api.java.tuple.Tuple2<K,T>,org.apache.flink.api.common.functions.ReduceFunction<org.apache.flink.api.java.tuple.Tuple2<K,T>>>

org.apache.flink.api.java.operators.translation.PlanUnwrappingReduceOperator<T,K>

所有已实现的接口:

org.apache.flink.util.Visitable<org.apache.flink.api.common.operators.Operator<?>>

@Internal
public class PlanUnwrappingReduceOperator<T,K>
extends org.apache.flink.api.common.operators.base.ReduceOperatorBase<org.apache.flink.api.java.tuple.Tuple2<K,T>,org.apache.flink.api.common.functions.ReduceFunction<org.apache.flink.api.java.tuple.Tuple2<K,T>>>

A reduce operator that takes 2-tuples (key-value pairs), and applies the reduce operation only on the unwrapped values.

嵌套类概要

从类继承的嵌套类/接口 org.apache.flink.api.common.operators.base.ReduceOperatorBase

org.apache.flink.api.common.operators.base.ReduceOperatorBase.CombineHint

字段概要

从类继承的字段 org.apache.flink.api.common.operators.SingleInputOperator

input

从类继承的字段 org.apache.flink.api.common.operators.AbstractUdfOperator

broadcastInputs, userFunction

从类继承的字段 org.apache.flink.api.common.operators.Operator

compilerHints, name, operatorInfo, parameters

构造器概要

构造器

构造器和说明
PlanUnwrappingReduceOperator(org.apache.flink.api.common.functions.ReduceFunction<T> udf, org.apache.flink.api.common.operators.Keys.SelectorFunctionKeys<T,K> key, String name, org.apache.flink.api.common.typeinfo.TypeInformation<T> type, org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.api.java.tuple.Tuple2<K,T>> typeInfoWithKey)

方法概要

从类继承的方法 org.apache.flink.api.common.operators.base.ReduceOperatorBase

executeOnCollections, getCombineHint, getCustomPartitioner, setCombineHint, setCustomPartitioner

从类继承的方法 org.apache.flink.api.common.operators.SingleInputOperator

accept, addInput, addInput, clearInputs, getInput, getKeyColumns, getNumberOfInputs, getOperatorInfo, getSemanticProperties, setInput, setInput, setInputs, setSemanticProperties

从类继承的方法 org.apache.flink.api.common.operators.AbstractUdfOperator

asArray, emptyClassArray, getBroadcastInputs, getUserCodeWrapper, setBroadcastVariable, setBroadcastVariables

从类继承的方法 org.apache.flink.api.common.operators.Operator

createUnionCascade, createUnionCascade, createUnionCascade, getCompilerHints, getMinResources, getName, getParallelism, getParameters, getPreferredResources, setName, setParallelism, setParameter, setParameter, setParameter, setResources, toString

从类继承的方法 java.lang.Object

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

构造器详细资料

PlanUnwrappingReduceOperator

public PlanUnwrappingReduceOperator(org.apache.flink.api.common.functions.ReduceFunction<T> udf,
                                    org.apache.flink.api.common.operators.Keys.SelectorFunctionKeys<T,K> key,
                                    String name,
                                    org.apache.flink.api.common.typeinfo.TypeInformation<T> type,
                                    org.apache.flink.api.common.typeinfo.TypeInformation<org.apache.flink.api.java.tuple.Tuple2<K,T>> typeInfoWithKey)