guoweiM commented on a change in pull request #13:
URL: https://github.com/apache/flink-ml/pull/13#discussion_r739625686
##########
File path:
flink-ml-iteration/src/main/java/org/apache/flink/iteration/IterationFactory.java
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@@ -109,11 +111,78 @@ public static DataStreamList createIteration(
mayHaveCriteria ||
iterationBodyResult.getTerminationCriteria() == null,
"The current iteration type does not support the termination
criteria.");
- // TODO: will consider the termination criteria in the next.
+ if (iterationBodyResult.getTerminationCriteria() != null) {
+ addCriteriaStream(
+ iterationBodyResult.getTerminationCriteria(),
+ iterationId,
+ env,
+ draftEnv,
+ initVariableStreams,
+ headStreams,
+ totalInitVariableParallelism);
+ }
return
addOutputs(getActualDataStreams(iterationBodyResult.getOutputStreams(),
draftEnv));
}
+ private static void addCriteriaStream(
+ DataStream<?> draftCriteriaStream,
+ IterationID iterationId,
+ StreamExecutionEnvironment env,
+ DraftExecutionEnvironment draftEnv,
+ DataStreamList initVariableStreams,
+ DataStreamList headStreams,
+ int totalInitVariableParallelism) {
+ // deal with the criteria streams
+ DataStream<?> terminationCriteria =
draftEnv.getActualStream(draftCriteriaStream.getId());
+ // It should always has the IterationRecordTypeInfo
+ checkState(
+
terminationCriteria.getType().getClass().equals(IterationRecordTypeInfo.class),
+ "The termination criteria should always returns
IterationRecord.");
Review comment:
returns --> return
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