Github user gauravgopi123 commented on a diff in the pull request:
https://github.com/apache/incubator-apex-core/pull/185#discussion_r47782134
--- Diff: api/src/main/java/com/datatorrent/api/Context.java ---
@@ -161,6 +161,13 @@
*/
Attribute<Class<?>> TUPLE_CLASS = new Attribute<>(new
Class2String<>());
+ /**
+ * Attribute of input port.
+ * This is a read-only attribute to query whether the input port is
connected to a DelayOperator
+ * This is for iterative processing.
+ */
+ Attribute<Boolean> IS_CONNECTED_TO_DELAY_OPERATOR = new
Attribute<>(false);
--- End diff --
@davidyan74 : I checked the implementation of InputPortMeta.getValue() and
looks like you don't need to check for the null..
I made changes in my local branch
(https://github.com/gauravgopi123/incubator-apex-core/commit/9f4cf5cd3e4895c268c1d76f436e4db2223bfd5d)
and ran tests and it worked fine
Does that work for you?
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