org.apache.flink.streaming.runtime.operators.windowing.functions

类 InternalAggregateProcessAllWindowFunction<T,ACC,V,R,W extends Window>

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.api.java.operators.translation.WrappingFunction<ProcessAllWindowFunction<V,R,W>>

org.apache.flink.streaming.runtime.operators.windowing.functions.InternalAggregateProcessAllWindowFunction<T,ACC,V,R,W>

类型参数:

W - The window type

T - The type of the input to the AggregateFunction

ACC - The type of the AggregateFunction's accumulator

V - The type of the AggregateFunction's result, and the input to the WindowFunction

R - The result type of the WindowFunction

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, InternalWindowFunction<Iterable<T>,R,Byte,W>

public final class InternalAggregateProcessAllWindowFunction<T,ACC,V,R,W extends Window>
extends org.apache.flink.api.java.operators.translation.WrappingFunction<ProcessAllWindowFunction<V,R,W>>
implements InternalWindowFunction<Iterable<T>,R,Byte,W>

Internal window function for wrapping a ProcessAllWindowFunction that takes an Iterable and an AggregateFunction.

另请参阅:

序列化表格

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.streaming.runtime.operators.windowing.functions.InternalWindowFunction

InternalWindowFunction.InternalWindowContext

字段概要

从类继承的字段 org.apache.flink.api.java.operators.translation.WrappingFunction

wrappedFunction

构造器概要

构造器

构造器和说明
InternalAggregateProcessAllWindowFunction(org.apache.flink.api.common.functions.AggregateFunction<T,ACC,V> aggFunction, ProcessAllWindowFunction<V,R,W> windowFunction)

方法概要

限定符和类型	方法和说明
void	clear(W window, InternalWindowFunction.InternalWindowContext context) Deletes any state in the Context when the Window expires (the watermark passes its maxTimestamp + allowedLateness).
org.apache.flink.api.common.functions.IterationRuntimeContext	getIterationRuntimeContext()
org.apache.flink.api.common.functions.RuntimeContext	getRuntimeContext()
void	open(org.apache.flink.configuration.Configuration parameters)
void	process(Byte key, W window, InternalWindowFunction.InternalWindowContext context, Iterable<T> input, org.apache.flink.util.Collector<R> out) Evaluates the window and outputs none or several elements.

从类继承的方法 org.apache.flink.api.java.operators.translation.WrappingFunction

close, getWrappedFunction, setRuntimeContext

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

InternalAggregateProcessAllWindowFunction

public InternalAggregateProcessAllWindowFunction(org.apache.flink.api.common.functions.AggregateFunction<T,ACC,V> aggFunction,
                                                 ProcessAllWindowFunction<V,R,W> windowFunction)

方法详细资料

open

public void open(org.apache.flink.configuration.Configuration parameters)
          throws Exception

指定者:

open 在接口中 org.apache.flink.api.common.functions.RichFunction

覆盖:

open 在类中 org.apache.flink.api.java.operators.translation.WrappingFunction<ProcessAllWindowFunction<V,R,W extends Window>>

抛出:

Exception

process

public void process(Byte key,
                    W window,
                    InternalWindowFunction.InternalWindowContext context,
                    Iterable<T> input,
                    org.apache.flink.util.Collector<R> out)
             throws Exception

从接口复制的说明: InternalWindowFunction

Evaluates the window and outputs none or several elements.

指定者:

process 在接口中 InternalWindowFunction<Iterable<T>,R,Byte,W extends Window>

context - The context in which the window is being evaluated.

input - The elements in the window being evaluated.

out - A collector for emitting elements.

抛出:

Exception - The function may throw exceptions to fail the program and trigger recovery.

clear

public void clear(W window,
                  InternalWindowFunction.InternalWindowContext context)
           throws Exception

从接口复制的说明: InternalWindowFunction

Deletes any state in the Context when the Window expires (the watermark passes its maxTimestamp + allowedLateness).

指定者:

clear 在接口中 InternalWindowFunction<Iterable<T>,R,Byte,W extends Window>

context - The context to which the window is being evaluated

抛出:

Exception - The function may throw exceptions to fail the program and trigger recovery.

getRuntimeContext

public org.apache.flink.api.common.functions.RuntimeContext getRuntimeContext()

指定者:

getRuntimeContext 在接口中 org.apache.flink.api.common.functions.RichFunction

覆盖:

getRuntimeContext 在类中 org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext

public org.apache.flink.api.common.functions.IterationRuntimeContext getIterationRuntimeContext()

指定者:

getIterationRuntimeContext 在接口中 org.apache.flink.api.common.functions.RichFunction

覆盖:

getIterationRuntimeContext 在类中 org.apache.flink.api.common.functions.AbstractRichFunction