content: package tim.prune.function.cache;
  
  /**
   * Class to hold the information for a single table row.
   * Used to describe a tileset or for a single zoom level of a tileset.
   */
  public class RowInfo
  {
  	private int _minZoom = -1, _maxZoom = -1;
  	private int _numTiles = 0;
  	private long _totalSize = 0L;
  
  
  	/**
  	 * Add a zoom level and adjust max/min
  	 * @param inZoom zoom level
  	 */
  	public void addZoom(int inZoom)
  	{
  		if (inZoom > 0)
  		{
  			if (_minZoom < 0 || _minZoom > inZoom) {
  				_minZoom = inZoom;
  			}
  			_maxZoom = Math.max(_maxZoom, inZoom);
  		}
  	}
  
  	/**
  	 * @return the zoom range as a string
  	 */
  	public String getZoomRange()
  	{
  		if (_minZoom < 0 && _maxZoom < 0) return "";
  		if (_minZoom == _maxZoom || _maxZoom < 0) return "" + _minZoom;
  		if (_minZoom < 0) return "" + _maxZoom;
  		return "" + _minZoom + " - " + _maxZoom;
  	}
  
  	/**
  	 * Add a single tile of the given size
  	 * @param inSize size in bytes
  	 */
  	public void addTile(long inSize) {
  		addTiles(1, inSize);
  	}
  
  	/**
  	 * Add the given tiles
  	 * @param inNumTiles number of tiles to add
  	 * @param inSize total size of the tiles in bytes
  	 */
  	public void addTiles(int inNumTiles, long inSize)
  	{
  		_numTiles += inNumTiles;
  		_totalSize += inSize;
  	}
  
  	/**
  	 * @return the total number of tiles found
  	 */
  	public int getNumTiles() {
  		return _numTiles;
  	}
  
  	/**
  	 * @return the total size of the tiles in bytes
  	 */
  	public long getTotalSize() {
  		return _totalSize;
  	}
  
  
  	/**
  	 * Add the given RowInfo object to this one
  	 * @param inOther other row object
  	 */
  	public void addRow(RowInfo inOther)
  	{
  		if (inOther == null)
  			return;
  		_numTiles  += inOther._numTiles;
  		_totalSize += inOther._totalSize;
  		// TODO: Max age
  		// Zoom range
  		addZoom(inOther._minZoom);
  		addZoom(inOther._maxZoom);
  	}
  }
  