content: /*
   * Created on Jun 24, 2005
   *
   * TODO To change the template for this generated file go to
   * Window - Preferences - Java - Code Style - Code Templates
   */
  package _io;
  
  import java.io.*;
  
  import stage1.HandRecord;
  import stage1.HandRecordScoreGroups;
  import _misc.Constants;
  
  /**
   * @author Adam
   *
   * TODO To change the template for this generated type comment go to
   * Window - Preferences - Java - Code Style - Code Templates
   */
  public class ReadBinaryScoreGroupStream  implements ReadBinaryData {
  	
  	private String m_fileName;
  	private int m_numBoardCards;
  	private int m_bufferSize;
  	private int m_numScoreGroups;
  	
  	private BurstBufferedReader m_in;
  	private HandRecordScoreGroups m_nextRec;
  	private byte[] m_holeCards;
  
  	public ReadBinaryScoreGroupStream(String fileName, int numBoardCards, int bufferSize) 
  			throws IOException {
  		
  		m_fileName = fileName;
  		m_numBoardCards = numBoardCards;
  		m_bufferSize = bufferSize;
  		m_in = new BurstBufferedReader(fileName, bufferSize);
  		
  		// read and verify format ID
  		short formatID = m_in.readShort();
  		if(formatID != Constants.vidClusterGroupsStep_holeCardsConstant_boardCardsImplicit) {
  			throw new RuntimeException();
  		}
  		
  		// read header from file
  		short header[] = new short[10];
  		for(int i = 0; i < 10; i++) {
  			header[i] = m_in.readShort();
  		}
  		
  		// process header
  		m_holeCards = new byte[] { (byte)header[0], (byte)header[1] };
  		if(numBoardCards != (byte)header[2]) {
  			throw new RuntimeException("not right number of board cards");
  		}
  		m_numScoreGroups = header[3];
  		
  		m_nextRec = new HandRecordScoreGroups(m_numBoardCards, m_holeCards, m_numScoreGroups);
  	}
  	
  	public HandRecord readRecord() throws IOException {
  		if(!m_nextRec.hasMoreElements) {
  			return null;
  		}
  		
  		m_nextRec.advanceRecord();
  
  		for(int i = 0; i < m_numScoreGroups; i++) {
  			m_nextRec.scoreGroups[i] = (int) m_in.readShort();
  		}
  		
  		return m_nextRec;  // copy not made!!  don't mutate.
  	}
  	
  	public void close() throws IOException {
  		m_in.close();
  	}
  	
  	public ReadBinaryScoreMapsStream reset() throws IOException {
  		close();
  		return new ReadBinaryScoreMapsStream(m_fileName, m_numBoardCards, m_bufferSize);
  	}
  	
  	public byte[] getHoleCards() {
  		return m_holeCards;
  	}
  	
  	public int getNumScoreGroups() {
  		return m_numScoreGroups;
  	}
  
  }
  