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From: mxm <git@git.apache.org>
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Subject: [GitHub] flink pull request: [FLINK-2837][storm] various improvements
 for S...
Content-Type: text/plain
Message-Id: <20151124123445.4DF77DFFA2@git1-us-west.apache.org>
Date: Tue, 24 Nov 2015 12:34:45 +0000 (UTC)

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

    https://github.com/apache/flink/pull/1398#discussion_r45729000
  
    --- Diff: flink-contrib/flink-storm-examples/src/main/java/org/apache/flink/storm/util/FiniteFileSpout.java ---
    @@ -32,46 +23,17 @@
     public class FiniteFileSpout extends FileSpout implements FiniteSpout {
     	private static final long serialVersionUID = -1472978008607215864L;
     
    -	private String line;
    -	private boolean newLineRead;
    -
     	public FiniteFileSpout() {}
     
     	public FiniteFileSpout(String path) {
     		super(path);
     	}
     
    -	@SuppressWarnings("rawtypes")
    -	@Override
    -	public void open(final Map conf, final TopologyContext context, final SpoutOutputCollector collector) {
    -		super.open(conf, context, collector);
    -		newLineRead = false;
    -	}
    -
    -	@Override
    -	public void nextTuple() {
    -		this.collector.emit(new Values(line));
    -		newLineRead = false;
    -	}
    -
     	/**
     	 * Can be called before nextTuple() any times including 0.
     	 */
     	@Override
     	public boolean reachedEnd() {
    -		try {
    -			readLine();
    -		} catch (IOException e) {
    -			throw new RuntimeException("Exception occured while reading file " + path);
    -		}
    -		return line == null;
    +		return finished;
     	}
    --- End diff --
    
    I don't understand why I should copy code instead. It is more elegant this way. 


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