svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.jdbc / src / main / java / org / gvsig / fmap / dal / store / jdbc2 / spi / operations / AppendOperation.java @ 47779
History | View | Annotate | Download (11 KB)
1 | 45065 | jjdelcerro | /**
|
---|---|---|---|
2 | * gvSIG. Desktop Geographic Information System.
|
||
3 | *
|
||
4 | * Copyright (C) 2007-2020 gvSIG Association.
|
||
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 3
|
||
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 | * For any additional information, do not hesitate to contact us
|
||
22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
|
||
23 | */
|
||
24 | 43020 | jjdelcerro | package org.gvsig.fmap.dal.store.jdbc2.spi.operations; |
25 | |||
26 | import java.sql.PreparedStatement; |
||
27 | import java.sql.SQLException; |
||
28 | 45534 | fdiaz | import java.sql.Statement; |
29 | 44678 | jjdelcerro | import java.util.Collections; |
30 | import java.util.List; |
||
31 | 44644 | jjdelcerro | import org.gvsig.expressionevaluator.GeometryExpressionBuilder; |
32 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.exception.DataException; |
33 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
||
34 | 47779 | fdiaz | import static org.gvsig.fmap.dal.feature.FeatureStore.SUBMODE_MERGE; |
35 | import static org.gvsig.fmap.dal.feature.FeatureStore.SUBMODE_NONE; |
||
36 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.feature.FeatureType; |
37 | import org.gvsig.fmap.dal.feature.exception.AlreadyEditingException; |
||
38 | import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
||
39 | import org.gvsig.fmap.dal.store.jdbc.exception.JDBCPreparingSQLException; |
||
40 | 46315 | jjdelcerro | import org.gvsig.fmap.dal.store.jdbc2.JDBCConnection; |
41 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
42 | import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
||
43 | 44058 | jjdelcerro | import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory.TableReference; |
44 | 43020 | jjdelcerro | import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
45 | 46315 | jjdelcerro | import org.gvsig.fmap.geom.DataTypes; |
46 | 43629 | jjdelcerro | import org.gvsig.tools.dispose.Disposable; |
47 | import org.gvsig.tools.dispose.DisposeUtils; |
||
48 | 45533 | jjdelcerro | import org.slf4j.LoggerFactory; |
49 | 43020 | jjdelcerro | |
50 | |||
51 | 47779 | fdiaz | @SuppressWarnings("UseSpecificCatch") |
52 | 43020 | jjdelcerro | public class AppendOperation { |
53 | 45533 | jjdelcerro | protected static final org.slf4j.Logger LOGGER = LoggerFactory.getLogger(AppendOperation.class); |
54 | 45507 | jjdelcerro | |
55 | 46315 | jjdelcerro | protected JDBCConnection connection = null; |
56 | 43020 | jjdelcerro | protected final JDBCHelper helper; |
57 | 44058 | jjdelcerro | protected final TableReference table; |
58 | 43020 | jjdelcerro | protected final FeatureType type; |
59 | |||
60 | protected JDBCSQLBuilderBase sqlbuilder = null; |
||
61 | 44644 | jjdelcerro | protected GeometryExpressionBuilder expbuilder;
|
62 | 44198 | jjdelcerro | |
63 | 43020 | jjdelcerro | protected PreparedStatement preparedStatement; |
64 | 44678 | jjdelcerro | protected String insertSQL; |
65 | 45507 | jjdelcerro | protected int batchCount; |
66 | 45694 | fdiaz | private int batchSize; //No es final para facilitar la depuracion |
67 | 45533 | jjdelcerro | private final Disposable[] disposableParameters; |
68 | 43020 | jjdelcerro | |
69 | public AppendOperation(
|
||
70 | JDBCHelper helper, |
||
71 | 44058 | jjdelcerro | TableReference table, |
72 | 43020 | jjdelcerro | FeatureType type |
73 | ) { |
||
74 | this.helper = helper;
|
||
75 | this.table = table;
|
||
76 | this.type = type;
|
||
77 | 45507 | jjdelcerro | this.batchSize = this.helper.getConnectionParameters().getBatchSize(); |
78 | 45533 | jjdelcerro | if( this.batchSize>0 ) { |
79 | this.disposableParameters = new Disposable[this.batchSize]; |
||
80 | } else {
|
||
81 | this.disposableParameters = null; |
||
82 | } |
||
83 | 43020 | jjdelcerro | } |
84 | 47779 | fdiaz | |
85 | public void begin(int submode) throws DataException { |
||
86 | 43020 | jjdelcerro | if (this.sqlbuilder != null) { |
87 | throw new AlreadyEditingException(this.helper.getSourceId()); |
||
88 | } |
||
89 | |||
90 | try {
|
||
91 | 43377 | jjdelcerro | this.connection = this.helper.getConnectionWritable(); |
92 | 47779 | fdiaz | switch(submode) {
|
93 | case SUBMODE_MERGE:
|
||
94 | this.insertSQL = this.getMergeSQL(); |
||
95 | break;
|
||
96 | case SUBMODE_NONE:
|
||
97 | default:
|
||
98 | this.insertSQL = this.getInsertSQL(); |
||
99 | break;
|
||
100 | } |
||
101 | 43020 | jjdelcerro | |
102 | 47779 | fdiaz | if( this.connection != null ) { // Not in test mode ??? |
103 | this.preparedStatement = this.connection.prepareStatement(insertSQL); |
||
104 | this.connection.begin();
|
||
105 | for (String sql : this.getPreviousSQLs()) { |
||
106 | this.connection.execute(sql);
|
||
107 | } |
||
108 | } |
||
109 | |||
110 | } catch (SQLException ex) { |
||
111 | throw new JDBCPreparingSQLException(this.sqlbuilder.toString(),ex); |
||
112 | } |
||
113 | |||
114 | } |
||
115 | |||
116 | protected String getInsertSQL() { |
||
117 | 43020 | jjdelcerro | this.sqlbuilder = this.helper.createSQLBuilder(); |
118 | 44198 | jjdelcerro | this.expbuilder = this.sqlbuilder.expression(); |
119 | 43020 | jjdelcerro | |
120 | 44058 | jjdelcerro | this.sqlbuilder.insert().table()
|
121 | .database(this.table.getDatabase())
|
||
122 | .schema(this.table.getSchema())
|
||
123 | .name(this.table.getTable()
|
||
124 | ); |
||
125 | 43020 | jjdelcerro | for (FeatureAttributeDescriptor attr : type) {
|
126 | 44324 | jjdelcerro | if( attr.isAutomatic() || attr.isComputed() ) {
|
127 | 43020 | jjdelcerro | continue;
|
128 | } |
||
129 | if (attr.getType() == DataTypes.GEOMETRY) {
|
||
130 | 45008 | omartinez | this.sqlbuilder.insert().column().name(attr.getName()).with_value(
|
131 | expbuilder.parameter(attr.getName()).as_geometry_variable().srs( |
||
132 | expbuilder.parameter().value(attr.getSRS()) |
||
133 | ) |
||
134 | ); |
||
135 | } else {
|
||
136 | this.sqlbuilder.insert().column().name(attr.getName()).with_value(
|
||
137 | 44198 | jjdelcerro | expbuilder.parameter(attr.getName()).as_variable() |
138 | 43020 | jjdelcerro | ); |
139 | } |
||
140 | } |
||
141 | |||
142 | 47779 | fdiaz | return this.sqlbuilder.insert().toString(); |
143 | } |
||
144 | |||
145 | protected String getMergeSQL() { |
||
146 | this.sqlbuilder = this.helper.createSQLBuilder(); |
||
147 | this.expbuilder = this.sqlbuilder.expression(); |
||
148 | |||
149 | this.sqlbuilder.merge().table()
|
||
150 | .database(this.table.getDatabase())
|
||
151 | .schema(this.table.getSchema())
|
||
152 | .name(this.table.getTable()
|
||
153 | ); |
||
154 | for (FeatureAttributeDescriptor pk : type.getPrimaryKey()) {
|
||
155 | this.sqlbuilder.merge().key(pk.getName());
|
||
156 | 44678 | jjdelcerro | } |
157 | 43020 | jjdelcerro | |
158 | 47779 | fdiaz | for (FeatureAttributeDescriptor attr : type) {
|
159 | if( attr.isAutomatic() || attr.isComputed() ) {
|
||
160 | continue;
|
||
161 | } |
||
162 | if (attr.getType() == DataTypes.GEOMETRY) {
|
||
163 | this.sqlbuilder.merge().column().name(attr.getName()).with_value(
|
||
164 | expbuilder.parameter(attr.getName()).as_geometry_variable().srs( |
||
165 | expbuilder.parameter().value(attr.getSRS()) |
||
166 | ) |
||
167 | ); |
||
168 | } else {
|
||
169 | this.sqlbuilder.merge().column().name(attr.getName()).with_value(
|
||
170 | expbuilder.parameter(attr.getName()).as_variable() |
||
171 | ); |
||
172 | } |
||
173 | } |
||
174 | 43020 | jjdelcerro | |
175 | 47779 | fdiaz | return this.sqlbuilder.merge().toString(); |
176 | 43020 | jjdelcerro | } |
177 | 47779 | fdiaz | |
178 | 43377 | jjdelcerro | protected void clean() { |
179 | 45533 | jjdelcerro | if( this.batchCount > 0 ) { |
180 | this.clearBatch();
|
||
181 | } |
||
182 | 43020 | jjdelcerro | JDBCUtils.closeQuietly(this.preparedStatement);
|
183 | 46492 | jjdelcerro | if( this.connection!=null ) { |
184 | this.connection.closeQuietly();
|
||
185 | this.connection = null; |
||
186 | } |
||
187 | 43020 | jjdelcerro | this.preparedStatement = null; |
188 | this.sqlbuilder = null; |
||
189 | 44678 | jjdelcerro | this.insertSQL = null; |
190 | 43020 | jjdelcerro | } |
191 | |||
192 | 43377 | jjdelcerro | public void end() { |
193 | try {
|
||
194 | 44678 | jjdelcerro | if( this.connection == null ) { |
195 | return; // In test mode ??? |
||
196 | } |
||
197 | 45507 | jjdelcerro | if( this.batchCount > 0 ) { |
198 | 45533 | jjdelcerro | this.executeBatch();
|
199 | 45507 | jjdelcerro | } |
200 | 43377 | jjdelcerro | this.connection.commit();
|
201 | 44678 | jjdelcerro | for (String sql : this.getPostSQLs()) { |
202 | 46315 | jjdelcerro | this.connection.execute(sql);
|
203 | 44678 | jjdelcerro | } |
204 | 46315 | jjdelcerro | } catch (Exception ex) { |
205 | 43377 | jjdelcerro | try {
|
206 | this.connection.rollback();
|
||
207 | 46315 | jjdelcerro | } catch (Exception ex1) { |
208 | 43377 | jjdelcerro | } |
209 | throw new RuntimeException("Can't commit transaction", ex); |
||
210 | } finally {
|
||
211 | clean(); |
||
212 | } |
||
213 | 43020 | jjdelcerro | } |
214 | |||
215 | 43377 | jjdelcerro | public void abort() { |
216 | try {
|
||
217 | 44678 | jjdelcerro | if( this.connection == null ) { |
218 | return; // In test mode ??? |
||
219 | } |
||
220 | 45533 | jjdelcerro | if( this.batchCount > 0 ) { |
221 | this.clearBatch();
|
||
222 | } |
||
223 | 43377 | jjdelcerro | this.connection.rollback();
|
224 | 44678 | jjdelcerro | for (String sql : this.getPostSQLs()) { |
225 | 46315 | jjdelcerro | this.connection.execute(sql);
|
226 | 44678 | jjdelcerro | } |
227 | 46315 | jjdelcerro | } catch (Exception ex) { |
228 | LOGGER.debug("",ex);
|
||
229 | 44678 | jjdelcerro | } finally {
|
230 | clean(); |
||
231 | 43377 | jjdelcerro | } |
232 | } |
||
233 | 44678 | jjdelcerro | |
234 | public String getSQL() { // For test |
||
235 | return this.insertSQL; |
||
236 | } |
||
237 | 43377 | jjdelcerro | |
238 | 44678 | jjdelcerro | public List<String> getPreviousSQLs() { |
239 | return Collections.EMPTY_LIST; |
||
240 | } |
||
241 | |||
242 | public List<String> getPostSQLs() { |
||
243 | return Collections.EMPTY_LIST; |
||
244 | } |
||
245 | |||
246 | public List<Object> getSQLParameters(FeatureProvider feature) { |
||
247 | return this.sqlbuilder.getParameters(feature); |
||
248 | } |
||
249 | |||
250 | 45507 | jjdelcerro | @SuppressWarnings("UseSpecificCatch") |
251 | 43020 | jjdelcerro | public void append(FeatureProvider feature) throws DataException { |
252 | try {
|
||
253 | 45533 | jjdelcerro | if( this.batchSize>0 ) { |
254 | this.addBatch(feature);
|
||
255 | if( this.batchCount >= this.batchSize ) { |
||
256 | this.executeBatch();
|
||
257 | } |
||
258 | } else {
|
||
259 | Disposable theParametersDisposable = null;
|
||
260 | try {
|
||
261 | theParametersDisposable = this.sqlbuilder.setParameters(this.preparedStatement, feature); |
||
262 | int n = JDBCUtils.executeUpdate(this.preparedStatement,this.insertSQL); |
||
263 | if( n<1 ) { |
||
264 | throw new RuntimeException("Can't insert feature (n="+n+")."); |
||
265 | } |
||
266 | } finally {
|
||
267 | DisposeUtils.disposeQuietly(theParametersDisposable); |
||
268 | } |
||
269 | 45507 | jjdelcerro | } |
270 | 43377 | jjdelcerro | } catch(Exception ex) { |
271 | throw new RuntimeException("Can't insert feature.", ex); |
||
272 | 43020 | jjdelcerro | } |
273 | 45533 | jjdelcerro | } |
274 | |||
275 | private void addBatch(FeatureProvider feature) throws SQLException { |
||
276 | Disposable theParametersDisposable = this.sqlbuilder.setParameters(this.preparedStatement, feature); |
||
277 | JDBCUtils.addBatch(this.preparedStatement,this.insertSQL); |
||
278 | this.disposableParameters[this.batchCount++] = theParametersDisposable; |
||
279 | } |
||
280 | |||
281 | private void executeBatch() throws SQLException { |
||
282 | int[] status = JDBCUtils.executeBatch(this.preparedStatement,this.insertSQL); |
||
283 | this.clearBatch();
|
||
284 | for (int n : status) { |
||
285 | 45534 | fdiaz | if( n<=Statement.EXECUTE_FAILED ) { //-3 |
286 | 45533 | jjdelcerro | throw new RuntimeException("Can't insert feature (n="+n+")."); |
287 | 45507 | jjdelcerro | } |
288 | 43377 | jjdelcerro | } |
289 | 43020 | jjdelcerro | } |
290 | 45533 | jjdelcerro | |
291 | private void clearBatch() { |
||
292 | try {
|
||
293 | this.preparedStatement.clearParameters();
|
||
294 | this.preparedStatement.clearBatch();
|
||
295 | for (int i = 0; i < this.batchCount && i < this.disposableParameters.length; i++) { |
||
296 | DisposeUtils.dispose(this.disposableParameters[i]);
|
||
297 | this.disposableParameters[i] = null; |
||
298 | } |
||
299 | this.batchCount = 0; |
||
300 | } catch (SQLException ex) { |
||
301 | LOGGER.warn("Can't clear batch statement", ex);
|
||
302 | } |
||
303 | } |
||
304 | 43020 | jjdelcerro | } |