IN- Type of the input elements
OUT- Type of the output element
public interface PatternSelectFunction<IN,OUT> extends Function, Serializable
Pattern. The select method returns exactly one result. If you want to return more than one result, then you have to implement a
PatternStream<IN> pattern = ...; DataStream<OUT> result = pattern.select(new MyPatternSelectFunction());
|Modifier and Type||Method and Description|
Generates a result from the given map of events.
OUT select(Map<String,List<IN>> pattern) throws Exception
pattern- Map containing the found pattern. Events are identified by their names
Exception- This method may throw exceptions. Throwing an exception will cause the operation to fail and may trigger recovery.
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