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https://issues.apache.org/jira/browse/FLINK-6419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elias Levy closed FLINK-6419.
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Resolution: Duplicate
> Better support for CEP quantified conditions in PatternSelect.select
> --------------------------------------------------------------------
>
> Key: FLINK-6419
> URL: https://issues.apache.org/jira/browse/FLINK-6419
> Project: Flink
> Issue Type: Improvement
> Components: CEP
> Affects Versions: 1.3.0
> Reporter: Elias Levy
> Priority: Minor
>
> Flink 1.3 introduces to the API quantifer methods which allow one to
> declaratively specific how many times a condition must be matched before
> there is a state change.
> The pre-existing {{PatternSelect.select}} method does not account for this
> change very well. The selection function passed to {{select}} receives a
> {{Map[String,T]}} as an argument that permits the function to look up the
> matched events by the condition's name.
> To support the new functionality that permits a condition to match multiple
> elements, when a quantifier is greater than one, the matched events are
> stored in the map by appending the condition's name with an underscore and an
> index value.
> While functional, this is less than ideal. It would be best if conditions
> with quantifier that is a multiple returned the matched events in an array
> and if they were accessible via the condition's name, without have to
> construct keys from the condition's name and an index, and iterate querying
> the map until no more are found.
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