aljoscha commented on a change in pull request #13637:
URL: https://github.com/apache/flink/pull/13637#discussion_r511857516



##########
File path: 
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/environment/StreamExecutionEnvironment.java
##########
@@ -832,14 +833,42 @@ private StateBackend loadStateBackend(ReadableConfig 
configuration, ClassLoader
         * @param to
         *              The number to stop at (inclusive)
         * @return A data stream, containing all number in the [from, to] 
interval
+        * @deprecated Use {@link #fromSequence(long, long)} instead to create 
a new data stream
+        * that contains {@link 
org.apache.flink.api.connector.source.lib.NumberSequenceSource}.

Review comment:
       We shouldn't mention the internal implementation here. 
   
   ```suggestion
         * @deprecated Use {@link #fromSequence(long, long)} instead to create 
a new sequence data stream.
   ```

##########
File path: 
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/environment/StreamExecutionEnvironment.java
##########
@@ -832,14 +833,42 @@ private StateBackend loadStateBackend(ReadableConfig 
configuration, ClassLoader
         * @param to
         *              The number to stop at (inclusive)
         * @return A data stream, containing all number in the [from, to] 
interval
+        * @deprecated Use {@link #fromSequence(long, long)} instead to create 
a new data stream
+        * that contains {@link 
org.apache.flink.api.connector.source.lib.NumberSequenceSource}.
         */
+       @Deprecated
        public DataStreamSource<Long> generateSequence(long from, long to) {
                if (from > to) {
                        throw new IllegalArgumentException("Start of sequence 
must not be greater than the end");
                }
                return addSource(new StatefulSequenceSource(from, to), 
"Sequence Source");
        }
 
+       /**
+        * Creates a new data stream that contains {@link 
org.apache.flink.api.connector.source.lib.NumberSequenceSource}

Review comment:
       I don't think we need to mention that implementation detail here.
   
   @StephanEwen Sorry if you requested that this be mentioned here, then we can 
leave it in. 😅




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