code: public void add(final int articleID, final int revisionCounter,
  			final long timestamp)
  	{
  
  		if (this.articleID != articleID) {
  
  			if (list != null) {
  				addToBuffer();
  			}
  
  			this.articleID = articleID;
  			this.list = new ArrayList<ChronoIndexData>();
  		}
  
  		this.list.add(new ChronoIndexData(timestamp, revisionCounter));
  	}
docs: Adds the information for an new entry in the chrono index.
  
  @param articleID
  ID of the article
  @param revisionCounter
  Revision counter
  @param timestamp
  Timestamp