1u0 commented on a change in pull request #9383: [FLINK-13248] [runtime] Adding
processing of downstream messages in AsyncWaitOperator's wait loops
URL: https://github.com/apache/flink/pull/9383#discussion_r319038740
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/DataStream.java
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@@ -1172,21 +1175,53 @@ public ExecutionConfig getExecutionConfig() {
* @param <R>
* type of the return stream
* @return the data stream constructed
+ * @see #transform(String, TypeInformation,
OneInputStreamOperatorFactory)
*/
@PublicEvolving
- public <R> SingleOutputStreamOperator<R> transform(String operatorName,
TypeInformation<R> outTypeInfo, OneInputStreamOperator<T, R> operator) {
+ public <R> SingleOutputStreamOperator<R> transform(
+ String operatorName,
+ TypeInformation<R> outTypeInfo,
+ OneInputStreamOperator<T, R> operator) {
+
+ return transformImpl(operatorName, outTypeInfo,
SimpleOperatorFactory.of(operator));
+ }
+
+ /**
+ * Method for passing user defined operators created by the given
factory along with the type information that will
+ * transform the DataStream.
+ *
+ * <p>This method uses the rather new operator factories and should
only be used when custom factories are needed.
+ *
+ * @param operatorName name of the operator, for logging purposes
+ * @param outTypeInfo the output type of the operator
+ * @param operatorFactory the factory for the operator.
+ * @param <R> type of the return stream
+ * @return the data stream constructed.
+ */
+ @PublicEvolving
+ public <R> SingleOutputStreamOperator<R> transform(
+ String operatorName,
+ TypeInformation<R> outTypeInfo,
+ OneInputStreamOperatorFactory<T, R> operatorFactory) {
+ return transformImpl(operatorName, outTypeInfo,
operatorFactory);
+ }
+
+ private <R> SingleOutputStreamOperator<R> transformImpl(
Review comment:
Suggestion for as an alternative name: `doTransform`.
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