Github user alpinegizmo commented on a diff in the pull request:
https://github.com/apache/flink/pull/4041#discussion_r119878726
--- Diff: docs/dev/libs/cep.md ---
@@ -168,33 +256,34 @@ start.where(
</div>
</div>
-<span class="label label-danger">Attention</span> The call to
`Context.getEventsForPattern(...)` has to find the
-elements that belong to the pattern. The cost of this operation can vary,
so when implementing your condition, try
-to minimize the times the method is called.
+<span class="label label-danger">Attention</span> The call to
`context.getEventsForPattern(...)` finds all the
+previously accepted events for a given potential match. The cost of this
operation can vary, so when implementing
+your condition, try to minimize the times the method is called.
--- End diff --
... try to minimize its use.
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