root / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / layers / SpatialCache.java @ 38605
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| 1 | 21200 | vcaballero | package org.gvsig.fmap.mapcontext.layers; |
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| 2 | |||
| 3 | 28313 | vcaballero | import java.util.List; |
| 4 | 21200 | vcaballero | |
| 5 | import org.gvsig.fmap.geom.Geometry; |
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| 6 | import org.gvsig.fmap.geom.util.Converter; |
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| 7 | |||
| 8 | import com.vividsolutions.jts.geom.Envelope; |
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| 9 | import com.vividsolutions.jts.index.ItemVisitor; |
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| 10 | import com.vividsolutions.jts.index.quadtree.Quadtree; |
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| 11 | |||
| 12 | public class SpatialCache { |
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| 13 | int maxFeatures = 1000; // Por defecto, pero se puede cambiar |
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| 14 | int fastNumTotalRegs=0; |
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| 15 | Quadtree quadTree = new Quadtree();
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| 16 | 30011 | cordinyana | |
| 17 | private boolean enabled = false; |
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| 18 | 21200 | vcaballero | |
| 19 | public int getMaxFeatures() { |
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| 20 | return maxFeatures;
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| 21 | } |
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| 22 | |||
| 23 | public void setMaxFeatures(int maxFeatures) { |
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| 24 | this.maxFeatures = maxFeatures;
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| 25 | } |
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| 26 | |||
| 27 | /**
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| 28 | * M?todo de conveniencia
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| 29 | *
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| 30 | * @param r
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| 31 | * @param igeometry
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| 32 | */
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| 33 | 22288 | vcaballero | public synchronized void insert(org.gvsig.fmap.geom.primitive.Envelope bounds, Geometry geom) { |
| 34 | 30011 | cordinyana | if (isEnabled() && getMaxFeatures() >= size()) {
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| 35 | Envelope env = Converter.convertEnvelopeToJTS(bounds); |
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| 36 | this.insert(env, geom);
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| 37 | //fastNumTotalRegs++;
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| 38 | } |
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| 39 | 21200 | vcaballero | } |
| 40 | |||
| 41 | public synchronized void query(Envelope searchEnv, ItemVisitor visitor) |
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| 42 | {
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| 43 | quadTree.query(searchEnv, visitor); |
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| 44 | } |
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| 45 | 28313 | vcaballero | public synchronized List query(Envelope searchEnv) |
| 46 | {
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| 47 | return quadTree.query(searchEnv);
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| 48 | } |
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| 49 | 21200 | vcaballero | |
| 50 | public void insert(Envelope itemEnv, Object item) { |
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| 51 | 30011 | cordinyana | if (isEnabled() && getMaxFeatures() >= size()) {
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| 52 | quadTree.insert(itemEnv, item); |
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| 53 | fastNumTotalRegs++; |
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| 54 | } |
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| 55 | 21200 | vcaballero | } |
| 56 | |||
| 57 | public boolean remove(Envelope itemEnv, Object item) { |
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| 58 | boolean resul = quadTree.remove(itemEnv, item);
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| 59 | if (resul)
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| 60 | fastNumTotalRegs--; |
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| 61 | return resul;
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| 62 | } |
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| 63 | |||
| 64 | public int size() { |
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| 65 | return fastNumTotalRegs;
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| 66 | } |
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| 67 | |||
| 68 | public void clearAll() { |
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| 69 | quadTree = new Quadtree();
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| 70 | fastNumTotalRegs = 0;
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| 71 | } |
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| 72 | |||
| 73 | 22288 | vcaballero | public void remove(org.gvsig.fmap.geom.primitive.Envelope bounds, Geometry geom) { |
| 74 | Envelope env = Converter.convertEnvelopeToJTS(bounds); |
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| 75 | 21200 | vcaballero | this.remove(env,geom);
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| 76 | } |
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| 77 | |||
| 78 | 30011 | cordinyana | public boolean isEnabled() { |
| 79 | return enabled;
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| 80 | } |
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| 81 | 21200 | vcaballero | |
| 82 | 30011 | cordinyana | public void setEnabled(boolean enabled) { |
| 83 | this.enabled = enabled;
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| 84 | } |
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| 85 | |||
| 86 | |||
| 87 | 21200 | vcaballero | } |