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From "Cristian (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-8124) EventTimeTrigger (and other triggers) could have less specific generic types
Date Tue, 21 Nov 2017 13:47:00 GMT
Cristian created FLINK-8124:
-------------------------------

             Summary: EventTimeTrigger (and other triggers) could have less specific generic
types
                 Key: FLINK-8124
                 URL: https://issues.apache.org/jira/browse/FLINK-8124
             Project: Flink
          Issue Type: Improvement
          Components: Core
            Reporter: Cristian
            Priority: Minor


When implementing custom WindowAssigners, it is possible to need different implementations
of the {{Window}} class (other than {{TimeWindow}}). In such cases, it is not possible to
use the existing triggers (e.g. {{EventTimeTrigger}}) because it extends from {{Trigger<Object,
TimeWindow>}} which is (unnecessarily?) specific.

It should be possible to make that class more generic by using {{EventTimeTrigger<T, W
extends Window> extends Trigger<T, W>}} instead.



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