Github user alpinegizmo commented on a diff in the pull request:
https://github.com/apache/flink/pull/4041#discussion_r119887736
--- Diff: docs/dev/libs/cep.md ---
@@ -511,133 +849,81 @@ val start = Pattern.begin[Event]("start")
</td>
</tr>
<tr>
- <td><strong>Next</strong></td>
+ <td><strong>next()</strong></td>
<td>
- <p>Appends a new pattern state. A matching event has to
directly succeed the previous matching event:</p>
+ <p>Appends a new pattern state. A matching event has to
directly succeed the previous matching event
+ (strict contiguity):</p>
{% highlight scala %}
val next = start.next("middle")
{% endhighlight %}
</td>
</tr>
<tr>
- <td><strong>FollowedBy</strong></td>
+ <td><strong>followedBy()</strong></td>
<td>
- <p>Appends a new pattern state. Other events can occur
between a matching event and the previous matching event:</p>
+ <p>Appends a new pattern state. Other events can occur
between a matching event and the previous
+ matching event (relaxed contiguity) :</p>
{% highlight scala %}
val followedBy = start.followedBy("middle")
{% endhighlight %}
</td>
</tr>
<tr>
- <td><strong>Where</strong></td>
- <td>
- <p>Defines a filter condition for the current pattern
state. Only if an event passes the filter, it can match the state:</p>
-{% highlight scala %}
-patternState.where(event => ... /* some condition */)
-{% endhighlight %}
- </td>
- </tr>
- <tr>
- <td><strong>Or</strong></td>
- <td>
- <p>Adds a new filter condition which is ORed with an
existing filter condition. Only if an event passes the filter condition, it can
match the state:</p>
-{% highlight scala %}
-patternState.where(event => ... /* some condition */)
- .or(event => ... /* alternative condition */)
-{% endhighlight %}
- </td>
+ <td><strong>followedByAny()</strong></td>
+ <td>
+ <p>Appends a new pattern state. Other events can
occur between a matching event and the previous
+ matching event and alternative matches will be
presented for every alternative matching event
--- End diff --
add a comma:
... matching event, and alternative matches will be ...
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