org.apache.flink.iteration.compile

类 DraftExecutionEnvironment.EmptySource<T>

java.lang.Object

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

org.apache.flink.streaming.api.functions.source.RichParallelSourceFunction<T>

org.apache.flink.iteration.compile.DraftExecutionEnvironment.EmptySource<T>

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, org.apache.flink.streaming.api.functions.source.ParallelSourceFunction<T>, org.apache.flink.streaming.api.functions.source.SourceFunction<T>

封闭类:

DraftExecutionEnvironment

public static class DraftExecutionEnvironment.EmptySource<T>
extends org.apache.flink.streaming.api.functions.source.RichParallelSourceFunction<T>

A special source that emits no data.

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.api.functions.source.SourceFunction

org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T>

构造器概要

构造器

构造器和说明
EmptySource()

方法概要

限定符和类型	方法和说明
void	cancel()
void	run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T> ctx)

从类继承的方法 org.apache.flink.api.common.functions.AbstractRichFunction

close, getIterationRuntimeContext, getRuntimeContext, open, 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

EmptySource

public EmptySource()

方法详细资料

run

public void run(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T> ctx)
         throws Exception

抛出:

Exception

cancel

public void cancel()