org.apache.flink.cep

类 RichPatternSelectFunction<IN,OUT>

java.lang.Object

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

org.apache.flink.cep.RichPatternSelectFunction<IN,OUT>

类型参数:

IN - Type of the input elements

OUT - Type of the output element

所有已实现的接口:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction, PatternSelectFunction<IN,OUT>

public abstract class RichPatternSelectFunction<IN,OUT>
extends org.apache.flink.api.common.functions.AbstractRichFunction
implements PatternSelectFunction<IN,OUT>

Rich variant of the PatternSelectFunction. As a RichFunction, it gives access to the RuntimeContext and provides setup and teardown methods: RichFunction.open(org.apache.flink.configuration.Configuration) and RichFunction.close().

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
RichPatternSelectFunction()

方法概要

限定符和类型	方法和说明
abstract OUT	select(Map<String,List<IN>> pattern) Generates a result from the given map of events.

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

RichPatternSelectFunction

public RichPatternSelectFunction()

方法详细资料

select

public abstract OUT select(Map<String,List<IN>> pattern)
                    throws Exception

从接口复制的说明: PatternSelectFunction

Generates a result from the given map of events. The events are identified by their names. Only one resulting element can be generated.

指定者:

select 在接口中 PatternSelectFunction<IN,OUT>

参数:

pattern - Map containing the found pattern. Events are identified by their names

返回:

Resulting element

抛出:

Exception - This method may throw exceptions. Throwing an exception will cause the operation to fail and may trigger recovery.