svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.impl / src / main / java / org / gvsig / fmap / dal / feature / impl / WrappedSpatialIndex.java @ 44640
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1 | 43371 | fdiaz | /* gvSIG. Desktop Geographic Information System.
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2 | *
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3 | * Copyright ? 2007-2017 gvSIG Association
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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18 | * MA 02110-1301, USA.
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19 | *
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20 | * For any additional information, do not hesitate to contact us
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21 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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22 | */
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23 | package org.gvsig.fmap.dal.feature.impl; |
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24 | |||
25 | import java.util.ArrayList; |
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26 | import java.util.Iterator; |
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27 | import java.util.List; |
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28 | import org.gvsig.fmap.dal.feature.Feature; |
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29 | import org.gvsig.fmap.dal.feature.FeatureReference; |
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30 | import org.gvsig.fmap.dal.feature.FeatureStore; |
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31 | import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
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32 | import org.gvsig.fmap.geom.Geometry; |
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33 | import org.gvsig.fmap.geom.SpatialIndex; |
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34 | import org.gvsig.fmap.geom.SpatialIndexFactory; |
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35 | import org.gvsig.fmap.geom.primitive.Envelope; |
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36 | import org.gvsig.tools.exception.BaseException; |
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37 | import org.gvsig.tools.service.Manager; |
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38 | import org.gvsig.tools.visitor.VisitCanceledException; |
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39 | import org.gvsig.tools.visitor.Visitor; |
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40 | |||
41 | /**
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42 | * @author fdiaz
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43 | *
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44 | */
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45 | public class WrappedSpatialIndex implements SpatialIndex { |
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46 | |||
47 | private final SpatialIndex index; |
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48 | private final FeatureStore store; |
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49 | |||
50 | protected class Oid2FeatureReferenceVisitor implements Visitor { |
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51 | |||
52 | private final Visitor wrapedVisitor; |
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53 | |||
54 | public Oid2FeatureReferenceVisitor(Visitor wrapedVisitor) {
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55 | this.wrapedVisitor = wrapedVisitor;
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56 | } |
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57 | |||
58 | @Override
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59 | public void visit(Object oid) throws VisitCanceledException, BaseException { |
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60 | DefaultFeatureReference ref = new DefaultFeatureReference(store, oid);
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61 | wrapedVisitor.visit(ref); |
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62 | } |
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63 | |||
64 | } |
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65 | |||
66 | 44041 | jjdelcerro | protected class Oid2FeatureReferenceIterator implements Iterator<FeatureReference> { |
67 | 43371 | fdiaz | |
68 | private final Iterator wrapedIterator; |
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69 | |||
70 | public Oid2FeatureReferenceIterator(Iterator wrapedIterator) { |
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71 | this.wrapedIterator = wrapedIterator;
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72 | } |
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73 | |||
74 | @Override
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75 | public boolean hasNext() { |
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76 | return this.wrapedIterator.hasNext(); |
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77 | } |
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78 | |||
79 | @Override
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80 | 44041 | jjdelcerro | public FeatureReference next() {
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81 | 43371 | fdiaz | Object oid = this.wrapedIterator.next(); |
82 | DefaultFeatureReference ref = new DefaultFeatureReference(store, oid);
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83 | return ref;
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84 | } |
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85 | |||
86 | @Override
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87 | public void remove() { |
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88 | this.wrapedIterator.remove();
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89 | } |
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90 | } |
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91 | |||
92 | public WrappedSpatialIndex(SpatialIndex index, FeatureStore store) {
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93 | this.index = index;
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94 | this.store = store;
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95 | } |
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96 | |||
97 | @Override
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98 | public SpatialIndexFactory getFactory() {
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99 | return this.index.getFactory(); |
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100 | } |
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101 | |||
102 | @Override
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103 | public void open() { |
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104 | this.index.open();
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105 | } |
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106 | |||
107 | @Override
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108 | public void close() { |
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109 | this.index.close();
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110 | } |
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111 | |||
112 | @Override
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113 | public void query(Envelope envelope, Visitor visitor) { |
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114 | this.index.query(envelope, new Oid2FeatureReferenceVisitor(visitor)); |
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115 | } |
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116 | |||
117 | @Override
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118 | public void query(Geometry geom, Visitor visitor) { |
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119 | this.index.query(geom, new Oid2FeatureReferenceVisitor(visitor)); |
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120 | } |
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121 | |||
122 | @Override
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123 | 44041 | jjdelcerro | public Iterator<FeatureReference> query(Envelope envelope, long limit) { |
124 | 43371 | fdiaz | return new Oid2FeatureReferenceIterator(this.index.query(envelope, limit)); |
125 | } |
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126 | |||
127 | @Override
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128 | 44041 | jjdelcerro | public Iterator<FeatureReference> query(Envelope envelope) { |
129 | 43371 | fdiaz | return new Oid2FeatureReferenceIterator(this.index.query(envelope)); |
130 | } |
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131 | |||
132 | @Override
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133 | 44041 | jjdelcerro | public Iterator<FeatureReference> query(Geometry geom, long limit) { |
134 | 43371 | fdiaz | return new Oid2FeatureReferenceIterator(this.index.query(geom, limit)); |
135 | } |
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136 | |||
137 | @Override
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138 | 44041 | jjdelcerro | public Iterator<FeatureReference> query(Geometry geom) { |
139 | 43371 | fdiaz | return new Oid2FeatureReferenceIterator(this.index.query(geom)); |
140 | } |
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141 | |||
142 | @Override
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143 | 44041 | jjdelcerro | public Iterator<FeatureReference> queryNearest(Envelope envelope, long limit) { |
144 | 43371 | fdiaz | return new Oid2FeatureReferenceIterator(this.index.queryNearest(envelope, limit)); |
145 | } |
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146 | |||
147 | @Override
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148 | 44041 | jjdelcerro | public Iterator <FeatureReference>queryNearest(Envelope envelope) { |
149 | 43371 | fdiaz | return new Oid2FeatureReferenceIterator(this.index.queryNearest(envelope)); |
150 | } |
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151 | |||
152 | @Override
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153 | 44041 | jjdelcerro | public Iterator<FeatureReference> queryNearest(Geometry geom, long limit) { |
154 | 43371 | fdiaz | return new Oid2FeatureReferenceIterator(this.index.queryNearest(geom, limit)); |
155 | } |
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156 | |||
157 | @Override
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158 | 44041 | jjdelcerro | public Iterator<FeatureReference> queryNearest(Geometry geom) { |
159 | 43371 | fdiaz | return new Oid2FeatureReferenceIterator(this.index.queryNearest(geom)); |
160 | } |
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161 | |||
162 | @Override
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163 | 44041 | jjdelcerro | public Iterator<FeatureReference> queryAll() { |
164 | 43371 | fdiaz | return new Oid2FeatureReferenceIterator(this.index.queryAll()); |
165 | } |
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166 | |||
167 | @Override
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168 | 44041 | jjdelcerro | public List<FeatureReference> queryAsList(Envelope envelope) { |
169 | 43371 | fdiaz | return asList( this.query(envelope)); |
170 | } |
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171 | |||
172 | @Override
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173 | 44041 | jjdelcerro | public List<FeatureReference> queryAsList(Geometry geom) { |
174 | 43371 | fdiaz | return asList( this.query(geom)); |
175 | } |
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176 | |||
177 | @Override
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178 | 44041 | jjdelcerro | public List<FeatureReference> queryAllAsList() { |
179 | 43371 | fdiaz | return asList( this.queryAll()); |
180 | } |
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181 | |||
182 | @Override
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183 | public void insert(Envelope envelope, Object data) { |
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184 | this.index.insert(envelope, getOID(data));
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185 | } |
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186 | |||
187 | @Override
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188 | public void insert(Geometry geom, Object data) { |
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189 | this.index.insert(geom, getOID(data));
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190 | } |
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191 | |||
192 | @Override
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193 | public void insert(Geometry geom) { |
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194 | this.index.insert(geom);
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195 | } |
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196 | |||
197 | @Override
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198 | public boolean remove(Envelope envelope, Object data) { |
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199 | return this.index.remove(envelope, getOID(data)); |
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200 | } |
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201 | |||
202 | @Override
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203 | public boolean remove(Geometry geom, Object data) { |
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204 | return this.index.remove(geom, getOID(data)); |
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205 | } |
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206 | |||
207 | @Override
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208 | public boolean remove(Geometry geom) { |
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209 | return this.index.remove(geom); |
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210 | } |
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211 | |||
212 | @Override
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213 | public void removeAll() { |
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214 | this.index.removeAll();
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215 | } |
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216 | |||
217 | @Override
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218 | public long size() { |
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219 | return this.index.size(); |
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220 | } |
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221 | |||
222 | @Override
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223 | public void flush() { |
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224 | this.index.flush();
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225 | } |
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226 | |||
227 | @Override
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228 | public Manager getManager() {
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229 | return this.index.getManager(); |
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230 | } |
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231 | |||
232 | protected Object getOID(Object obj) { |
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233 | if( obj == null ) { |
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234 | return null; |
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235 | } |
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236 | if( obj instanceof FeatureReferenceProviderServices ) { |
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237 | return ((FeatureReferenceProviderServices)obj).getOID();
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238 | } |
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239 | if( obj instanceof Feature ) { |
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240 | FeatureReference f = ((Feature)obj).getReference(); |
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241 | return ((FeatureReferenceProviderServices)f).getOID();
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242 | } |
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243 | if( obj instanceof Number ) { |
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244 | return obj;
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245 | } |
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246 | throw new IllegalArgumentException("Can't get OID from object of type '"+obj.getClass().getName()+"'."); |
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247 | } |
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248 | |||
249 | 44041 | jjdelcerro | protected List<FeatureReference> asList(Iterator it) { |
250 | 43371 | fdiaz | List l = new ArrayList(); |
251 | while (it.hasNext()) {
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252 | l.add(it.next()); |
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253 | } |
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254 | return l;
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255 | } |
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256 | } |