root / branches / v2_0_0_prep / libraries / libFMap_data / src / org / gvsig / fmap / data / index / IndexStore.java @ 23204
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1 | 22609 | jiyarza | /* 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 | * 2008 {{Company}} {{Task}}
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26 | */
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27 | |||
28 | package org.gvsig.fmap.data.index; |
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29 | |||
30 | import java.util.HashMap; |
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31 | import java.util.Iterator; |
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32 | import java.util.Map; |
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33 | |||
34 | import org.gvsig.fmap.data.feature.FeatureStore; |
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35 | import org.gvsig.fmap.data.feature.FeatureType; |
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36 | |||
37 | /**
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38 | * This class provides access to a FeatureStore local indexes.
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39 | * This class holds the correspondence between a pair (FeatureType, columName) -> SpatialIndex
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40 | 23023 | jiyarza | *
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41 | 22609 | jiyarza | * @author jyarza
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42 | */
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43 | public class IndexStore { |
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44 | |||
45 | private Map featureTypes = new HashMap(); |
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46 | |||
47 | public IndexStore(FeatureStore store) {
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48 | Iterator it = store.getFeatureTypes().iterator();
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49 | while (it.hasNext()) {
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50 | FeatureType type = (FeatureType) it.next(); |
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51 | featureTypes.put(type, new HashMap()); |
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52 | } |
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53 | } |
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54 | |||
55 | public SpatialIndex getSpatialIndex(FeatureType fType, String colName) { |
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56 | Map indexes = (Map) featureTypes.get(fType); |
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57 | if (indexes != null) { |
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58 | return (SpatialIndex) (featureTypes.get(fType));
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59 | } |
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60 | return null; |
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61 | } |
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62 | |||
63 | public void addIndex(FeatureType fType, String colName, SpatialIndex index) { |
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64 | Map indexes = (Map) featureTypes.get(fType); |
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65 | if (indexes == null) { |
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66 | // A new feature type has been added to the FeatureStore since this IndexStore was created
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67 | indexes = new HashMap(); |
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68 | featureTypes.put(fType, indexes); |
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69 | } |
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70 | indexes.put(colName, index); |
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71 | } |
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72 | |||
73 | public boolean contains(FeatureType fType, String colName) { |
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74 | Map map = (Map) featureTypes.get(fType); |
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75 | return map == null ? false : map.containsKey(colName); |
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76 | } |
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77 | } |