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https://issues.apache.org/jira/browse/FLINK-6248?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kostas Kloudas closed FLINK-6248.
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Resolution: Fixed
Merged at b3de48d0e2c1fec6ccab3a8dd0f02b711dc0ae0a
> Make the optional() available to all offered patterns.
> ------------------------------------------------------
>
> Key: FLINK-6248
> URL: https://issues.apache.org/jira/browse/FLINK-6248
> Project: Flink
> Issue Type: Improvement
> Components: CEP
> Affects Versions: 1.3.0
> Reporter: Kostas Kloudas
> Assignee: Kostas Kloudas
> Fix For: 1.3.0
>
>
> Currently the {{optional()}} quantifier is available as a separate pattern.
> This issue proposes to make it available as a flag to all patterns.
> This implies that:
> 1) a singleton pattern with {{optional=true}} will become the current
> {{OPTIONAL}},
> 2) a {{oneToMany}} will become {{zeroToMany}},
> 3) the {{zeroToMany}} will not exist as a direct option in the {{Pattern}}
> class, and
> 4) the {{times()}} will require some changes in the {{NFACompiler}}.
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