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https://issues.apache.org/jira/browse/FLINK-10980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16695663#comment-16695663
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ASF GitHub Bot commented on FLINK-10980:
----------------------------------------
asfgit closed pull request #7158: [FLINK-10980][docs] Fix Iterable Scala code
in CEP part
URL: https://github.com/apache/flink/pull/7158
This is a PR merged from a forked repository.
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diff --git a/docs/dev/libs/cep.md b/docs/dev/libs/cep.md
index c8e836349ef..ce9a9c3d72b 100644
--- a/docs/dev/libs/cep.md
+++ b/docs/dev/libs/cep.md
@@ -1527,8 +1527,8 @@ The events for a given pattern are ordered by timestamp.
The reason for returnin
{% highlight scala %}
def selectFn(pattern : Map[String, Iterable[IN]]): OUT = {
- val startEvent = pattern.get("start").get.next
- val endEvent = pattern.get("end").get.next
+ val startEvent = pattern.get("start").get.head
+ val endEvent = pattern.get("end").get.head
OUT(startEvent, endEvent)
}
{% endhighlight %}
@@ -1539,8 +1539,8 @@ The `flatSelect` method is similar to the `select`
method. Their only difference
{% highlight scala %}
def flatSelectFn(pattern : Map[String, Iterable[IN]], collector :
Collector[OUT]) = {
- val startEvent = pattern.get("start").get.next
- val endEvent = pattern.get("end").get.next
+ val startEvent = pattern.get("start").get.head
+ val endEvent = pattern.get("end").get.head
for (i <- 0 to startEvent.getValue) {
collector.collect(OUT(startEvent, endEvent))
}
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> Wrong statement in CEP Scala part
> ---------------------------------
>
> Key: FLINK-10980
> URL: https://issues.apache.org/jira/browse/FLINK-10980
> Project: Flink
> Issue Type: Bug
> Components: CEP, Documentation
> Affects Versions: 1.6.2
> Reporter: DuBin
> Priority: Minor
> Labels: pull-request-available
>
> The CEP 'Selecting from patterns' part of Doc gives wrong code.
> {{ val startEvent = pattern.get("start").get.next }}
> {{val endEvent = pattern.get("end").get.next}}
> {{should be .get.head}}
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