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https://issues.apache.org/jira/browse/FLINK-6198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16034930#comment-16034930
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ASF GitHub Bot commented on FLINK-6198:
---------------------------------------
Github user alpinegizmo commented on a diff in the pull request:
https://github.com/apache/flink/pull/4041#discussion_r119886720
--- Diff: docs/dev/libs/cep.md ---
@@ -700,26 +995,29 @@ class MyPatternFlatSelectFunction<IN, OUT> implements
PatternFlatSelectFunction<
</div>
<div data-lang="scala" markdown="1">
-The `select` method takes a selection function as argument, which is
called for each matching event sequence.
-It receives a map of string/event pairs of the matched events.
-The string is defined by the name of the state to which the event has been
matched.
-The selection function returns exactly one result per call.
+The `select()` method takes a selection function as argument, which is
called for each matching event sequence.
+It receives a match in the form of `Map[String, Iterable[IN]]` where the
key is the name of each state in your pattern
+sequence and the value is an Iterable over all accepted events for that
state (`IN` is the type of your input elements).
+The events for a given state are ordered by timestamp. The reason for
returning an iterable of accepted events for each
+state is that when using looping states (e.g. `oneToMany()` and
`times()`), more than one events may be accepted for a
--- End diff --
... more than one event may be accepted ...
> Update the documentation of the CEP library to include all the new features.
> ----------------------------------------------------------------------------
>
> Key: FLINK-6198
> URL: https://issues.apache.org/jira/browse/FLINK-6198
> Project: Flink
> Issue Type: Sub-task
> Components: CEP
> Affects Versions: 1.3.0
> Reporter: Kostas Kloudas
> Assignee: Kostas Kloudas
> Priority: Critical
> Fix For: 1.3.0
>
>
> New features to include:
> * Iterative Functions
> * Quantifiers
> * Time handling
> * Migration from FilterFunction to IterativeCondition
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