tim/prune/function/cache/RowInfo.java

   1 package tim.prune.function.cache;
   2
   3 /**
   4  * Class to hold the information for a single table row.
   5  * Used to describe a tileset or for a single zoom level of a tileset.
   6  */
   7 public class RowInfo
   8 {
   9         private int _zoom = -1;
  10         private int _minZoom = -1, _maxZoom = -1;
  11         private int _numTiles = 0;
  12         private long _totalSize = 0L;
  13         private boolean _unexpected = false;
  14
  15
  16         /**
  17          * Set the zoom level
  18          * @param inZoom zoom level
  19          */
  20         public void setZoom(int inZoom) {
  21                 _zoom = inZoom;
  22         }
  23
  24         /**
  25          * Add a zoom level and adjust max/min
  26          * @param inZoom zoom level
  27          */
  28         public void addZoom(int inZoom)
  29         {
  30                 if (_minZoom < 0 || _minZoom > inZoom)
  31                         _minZoom = inZoom;
  32                 if (_maxZoom < inZoom)
  33                         _maxZoom = inZoom;
  34         }
  35
  36         /**
  37          * @return the zoom level
  38          */
  39         public int getZoom() {
  40                 return _zoom;
  41         }
  42
  43         /**
  44          * @return the zoom range as a string
  45          */
  46         public String getZoomRange()
  47         {
  48                 if (_minZoom < 0 && _maxZoom < 0) return "";
  49                 if (_minZoom == _maxZoom || _maxZoom < 0) return "" + _minZoom;
  50                 if (_minZoom < 0) return "" + _maxZoom;
  51                 return "" + _minZoom + " - " + _maxZoom;
  52         }
  53
  54         /**
  55          * Add a single tile of the given size
  56          * @param inSize size in bytes
  57          */
  58         public void addTile(long inSize) {
  59                 addTiles(1, inSize);
  60         }
  61
  62         /**
  63          * Add the given tiles
  64          * @param inNumTiles number of tiles to add
  65          * @param inSize total size of the tiles in bytes
  66          */
  67         public void addTiles(int inNumTiles, long inSize)
  68         {
  69                 _numTiles += inNumTiles;
  70                 _totalSize += inSize;
  71         }
  72
  73         /**
  74          * @return the total number of tiles found
  75          */
  76         public int getNumTiles() {
  77                 return _numTiles;
  78         }
  79
  80         /**
  81          * @return the total size of the tiles in bytes
  82          */
  83         public long getTotalSize() {
  84                 return _totalSize;
  85         }
  86
  87         /**
  88          * Mark that an unexpected file or directory was found
  89          * TODO: Is this needed?
  90          */
  91         public void foundUnexpected() {
  92                 _unexpected = true;
  93         }
  94
  95         /**
  96          * @return true if any unexpected files or directories were found
  97          */
  98         public boolean wasUnexpected() {
  99                 return _unexpected;
 100         }
 101
 102         /**
 103          * Add the given RowInfo object to this one
 104          * @param inOther other row object
 105          */
 106         public void addRow(RowInfo inOther)
 107         {
 108                 if (inOther == null)
 109                         return;
 110                 _numTiles  += inOther._numTiles;
 111                 _totalSize += inOther._totalSize;
 112                 // TODO: Max age
 113                 // Zoom range
 114                 if (inOther._minZoom > 0)
 115                         addZoom(inOther._minZoom);
 116                 if (inOther._maxZoom > 0)
 117                         addZoom(inOther._maxZoom);
 118                 if (inOther._zoom > 0)
 119                         addZoom(inOther._zoom);
 120                 _unexpected = _unexpected || inOther._unexpected;
 121         }
 122 }