HuangXingBo commented on a change in pull request #16672:
URL: https://github.com/apache/flink/pull/16672#discussion_r681410880
##########
File path: flink-python/pyflink/datastream/functions.py
##########
@@ -722,6 +722,83 @@ def on_timer(self, timestamp: int, ctx:
'KeyedProcessFunction.OnTimerContext'):
pass
+class CoProcessFunction(Function):
+ """
+ A function that processes elements of two streams and produces a single
output one.
+
+ The function will be called for every element in the input streams and can
produce zero or
+ more output elements. Contrary to the {@link CoFlatMapFunction}, this
function can also query
+ the time (both event and processing) and set timers, through the provided
{@link Context}. When
Review comment:
ditto
##########
File path: flink-python/pyflink/datastream/functions.py
##########
@@ -722,6 +722,83 @@ def on_timer(self, timestamp: int, ctx:
'KeyedProcessFunction.OnTimerContext'):
pass
+class CoProcessFunction(Function):
+ """
+ A function that processes elements of two streams and produces a single
output one.
+
+ The function will be called for every element in the input streams and can
produce zero or
+ more output elements. Contrary to the {@link CoFlatMapFunction}, this
function can also query
Review comment:
{@link CoFlatMapFunction} -> :class:\`CoFlatMapFunction\`
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