[GitHub] flink pull request: New operator state interfaces

[rmetzger <gi...@git.apache.org>]

Github user rmetzger commented on a diff in the pull request:

    https://github.com/apache/flink/pull/747#discussion_r31420656
  
    --- Diff: flink-staging/flink-streaming/flink-streaming-connectors/flink-connector-kafka/src/main/java/org/apache/flink/streaming/connectors/kafka/api/persistent/PersistentKafkaSource.java ---
    @@ -140,11 +144,14 @@ public void open(Configuration parameters) throws Exception {
     		// most likely the number of offsets we're going to store here will be lower than the number of partitions.
     		int numPartitions = getNumberOfPartitions();
     		LOG.debug("The topic {} has {} partitions", topicName, numPartitions);
    -		this.lastOffsets = new long[numPartitions];
    -		this.commitedOffsets = new long[numPartitions];
    -		Arrays.fill(this.lastOffsets, -1);
    -		Arrays.fill(this.commitedOffsets, 0); // just to make it clear
    -
    +		
    +		long[] defaultOffset = new long[numPartitions];
    +		Arrays.fill(defaultOffset, -1);
    +		
    +		this.lastOffsets = getRuntimeContext().getOperatorState("offset", defaultOffset);
    +		
    +		//TODO: commit fetched offset to ZK if not default
    --- End diff --
    
    We can not merge the PR with this TODO open.


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