public interface RecordOrientedDatasetReaderPattern {

	/**
	 * This method is invoked during the job setup phase.
	 * The properties are the ones specified in the xJCL.
	 * @param props
	 */
	public void initialize(Properties props);
	
	/**
	 * This method is invoked only once immediately after
	 * the Zfile is opened. It should be used to process
	 * header information if any.
	 * @param reader
	 * @throws IOException
	 */
	public void processHeader(ZFile reader) throws IOException;
	
	/**
	 * This method should read the next record from the Zfile
	 * and return it in an appropriate form (as an intermediate object)
	 * @param reader
	 * @return
	 * @throws IOException
	 */
	public Object fetchRecord(ZFile reader) throws IOException;
}