root / trunk / extensions / extGraph / src / org / gvsig / graph / solvers / SelectDijkstraListener.java @ 29800
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1 | 29800 | fpenarrubia | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | */
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22 | |||
23 | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2009 Software Colaborativo (www.scolab.es) development
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26 | */
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27 | |||
28 | package org.gvsig.graph.solvers; |
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29 | |||
30 | import org.gvsig.graph.core.GvEdge; |
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31 | import org.gvsig.graph.core.GvNode; |
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32 | import org.gvsig.graph.core.Network; |
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33 | |||
34 | import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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35 | import com.iver.cit.gvsig.fmap.MapContext; |
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36 | import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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37 | |||
38 | public class SelectDijkstraListener implements IDijkstraListener { |
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39 | |||
40 | private Network net;
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41 | private MapContext mapContext;
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42 | |||
43 | public SelectDijkstraListener(Network net, MapContext mapContext) {
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44 | this.net = net;
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45 | this.mapContext = mapContext;
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46 | } |
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47 | |||
48 | public void startSelection() { |
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49 | mapContext.beginAtomicEvent(); |
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50 | } |
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51 | |||
52 | public void stopSelection() { |
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53 | mapContext.endAtomicEvent(); |
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54 | } |
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55 | |||
56 | public boolean adjacentEdgeVisited(GvNode fromNode, GvEdge edge) { |
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57 | try {
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58 | FBitSet bs = net.getLayer().getRecordset().getSelection(); |
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59 | bs.set(edge.getIdArc()); |
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60 | } catch (ReadDriverException e) {
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61 | // TODO Auto-generated catch block
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62 | e.printStackTrace(); |
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63 | } |
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64 | return true; |
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65 | } |
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66 | |||
67 | public boolean minimumCostNodeSelected(GvNode node) { |
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68 | return false; |
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69 | } |
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70 | |||
71 | } |