root / branches / v2_0_0_prep / libraries / libFMap_data / src / org / gvsig / fmap / data / index / IndexStore.java @ 23204
History | View | Annotate | Download (2.34 KB)
1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
4 |
* of the Valencian Government (CIT)
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
*/
|
22 |
|
23 |
/*
|
24 |
* AUTHORS (In addition to CIT):
|
25 |
* 2008 {{Company}} {{Task}}
|
26 |
*/
|
27 |
|
28 |
package org.gvsig.fmap.data.index; |
29 |
|
30 |
import java.util.HashMap; |
31 |
import java.util.Iterator; |
32 |
import java.util.Map; |
33 |
|
34 |
import org.gvsig.fmap.data.feature.FeatureStore; |
35 |
import org.gvsig.fmap.data.feature.FeatureType; |
36 |
|
37 |
/**
|
38 |
* This class provides access to a FeatureStore local indexes.
|
39 |
* This class holds the correspondence between a pair (FeatureType, columName) -> SpatialIndex
|
40 |
*
|
41 |
* @author jyarza
|
42 |
*/
|
43 |
public class IndexStore { |
44 |
|
45 |
private Map featureTypes = new HashMap(); |
46 |
|
47 |
public IndexStore(FeatureStore store) {
|
48 |
Iterator it = store.getFeatureTypes().iterator();
|
49 |
while (it.hasNext()) {
|
50 |
FeatureType type = (FeatureType) it.next(); |
51 |
featureTypes.put(type, new HashMap()); |
52 |
} |
53 |
} |
54 |
|
55 |
public SpatialIndex getSpatialIndex(FeatureType fType, String colName) { |
56 |
Map indexes = (Map) featureTypes.get(fType); |
57 |
if (indexes != null) { |
58 |
return (SpatialIndex) (featureTypes.get(fType));
|
59 |
} |
60 |
return null; |
61 |
} |
62 |
|
63 |
public void addIndex(FeatureType fType, String colName, SpatialIndex index) { |
64 |
Map indexes = (Map) featureTypes.get(fType); |
65 |
if (indexes == null) { |
66 |
// A new feature type has been added to the FeatureStore since this IndexStore was created
|
67 |
indexes = new HashMap(); |
68 |
featureTypes.put(fType, indexes); |
69 |
} |
70 |
indexes.put(colName, index); |
71 |
} |
72 |
|
73 |
public boolean contains(FeatureType fType, String colName) { |
74 |
Map map = (Map) featureTypes.get(fType); |
75 |
return map == null ? false : map.containsKey(colName); |
76 |
} |
77 |
} |