svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_daldb / src / org / gvsig / fmap / dal / store / jdbc / JDBCStoreProviderWriter.java @ 29289
History | View | Annotate | Download (19.3 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 |
* 2009 IVER T.I {{Task}}
|
| 26 |
*/
|
| 27 |
|
| 28 |
/**
|
| 29 |
*
|
| 30 |
*/
|
| 31 |
package org.gvsig.fmap.dal.store.jdbc; |
| 32 |
|
| 33 |
import java.sql.Connection; |
| 34 |
import java.sql.PreparedStatement; |
| 35 |
import java.sql.SQLException; |
| 36 |
import java.sql.Statement; |
| 37 |
import java.util.ArrayList; |
| 38 |
import java.util.Arrays; |
| 39 |
import java.util.Iterator; |
| 40 |
import java.util.List; |
| 41 |
|
| 42 |
import org.gvsig.fmap.dal.exception.DataException; |
| 43 |
import org.gvsig.fmap.dal.exception.InitializeException; |
| 44 |
import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
| 45 |
import org.gvsig.fmap.dal.feature.FeatureType; |
| 46 |
import org.gvsig.fmap.dal.feature.exception.PerformEditingException; |
| 47 |
import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
| 48 |
import org.gvsig.fmap.dal.feature.spi.FeatureReferenceProviderServices; |
| 49 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecutePreparedSQLException; |
| 50 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCExecuteSQLException; |
| 51 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCPreparingSQLException; |
| 52 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCSQLException; |
| 53 |
import org.gvsig.fmap.dal.store.jdbc.exception.JDBCUpdateWithoutChangesException; |
| 54 |
import org.slf4j.Logger; |
| 55 |
import org.slf4j.LoggerFactory; |
| 56 |
|
| 57 |
/**
|
| 58 |
* @author jmvivo
|
| 59 |
*
|
| 60 |
*/
|
| 61 |
public class JDBCStoreProviderWriter extends JDBCStoreProvider { |
| 62 |
|
| 63 |
final static private Logger logger = LoggerFactory |
| 64 |
.getLogger(JDBCStoreProviderWriter.class); |
| 65 |
|
| 66 |
|
| 67 |
protected String appendModeSql; |
| 68 |
protected List appendModeAttributes; |
| 69 |
|
| 70 |
public JDBCStoreProviderWriter() {
|
| 71 |
super();
|
| 72 |
} |
| 73 |
|
| 74 |
public JDBCStoreProviderWriter(JDBCStoreParameters params)
|
| 75 |
throws InitializeException {
|
| 76 |
super();
|
| 77 |
this.init(params);
|
| 78 |
} |
| 79 |
|
| 80 |
|
| 81 |
|
| 82 |
protected void addToListFeatureValues(FeatureProvider featureData, |
| 83 |
FeatureAttributeDescriptor attrOfList, |
| 84 |
FeatureAttributeDescriptor attr, List values) throws DataException { |
| 85 |
if (attr == null) { |
| 86 |
if (attrOfList.isPrimaryKey()) {
|
| 87 |
// FIXME excepton
|
| 88 |
throw new RuntimeException("pk attribute '" |
| 89 |
+ attrOfList.getName() + "' not found in feature");
|
| 90 |
} |
| 91 |
values.add(helper |
| 92 |
.dalValueToJDBC(attr, attrOfList.getDefaultValue())); |
| 93 |
} else {
|
| 94 |
values.add(helper.dalValueToJDBC(attr, featureData.get(attr |
| 95 |
.getIndex()))); |
| 96 |
} |
| 97 |
|
| 98 |
} |
| 99 |
|
| 100 |
protected void addToListFeatureValues(FeatureProvider featureData, |
| 101 |
List attributes, List values) throws DataException { |
| 102 |
FeatureAttributeDescriptor attr, attrOfList; |
| 103 |
FeatureType fType = featureData.getType(); |
| 104 |
for (int i = 0; i < attributes.size(); i++) { |
| 105 |
attrOfList = (FeatureAttributeDescriptor) attributes.get(i); |
| 106 |
attr = fType.getAttributeDescriptor(attrOfList.getName()); |
| 107 |
addToListFeatureValues(featureData, attrOfList, attr, values); |
| 108 |
} |
| 109 |
} |
| 110 |
|
| 111 |
protected void appendToSQLPreparedPkWhereClause(StringBuilder sql, |
| 112 |
List pkAttributes) {
|
| 113 |
sql.append(" Where ");
|
| 114 |
FeatureAttributeDescriptor attr; |
| 115 |
for (int i = 0; i < pkAttributes.size() - 1; i++) { |
| 116 |
attr = (FeatureAttributeDescriptor) pkAttributes.get(i); |
| 117 |
sql.append(helper.escapeFieldName(attr.getName())); |
| 118 |
sql.append(" = ? AND ");
|
| 119 |
} |
| 120 |
attr = (FeatureAttributeDescriptor) pkAttributes.get(pkAttributes |
| 121 |
.size() - 1);
|
| 122 |
sql.append(helper.escapeFieldName(attr.getName())); |
| 123 |
sql.append(" = ? ");
|
| 124 |
} |
| 125 |
|
| 126 |
protected void executeRemovePreparedStatement(Connection conn, String sql, |
| 127 |
List attributes, Iterator featureReferences) throws DataException { |
| 128 |
PreparedStatement st;
|
| 129 |
try {
|
| 130 |
st = conn.prepareStatement(sql); |
| 131 |
} catch (SQLException e) { |
| 132 |
throw new JDBCPreparingSQLException(sql, e); |
| 133 |
} |
| 134 |
try {
|
| 135 |
List values = new ArrayList(); |
| 136 |
FeatureReferenceProviderServices featureRef; |
| 137 |
FeatureType featureType; |
| 138 |
while (featureReferences.hasNext()) {
|
| 139 |
st.clearParameters(); |
| 140 |
featureRef = (FeatureReferenceProviderServices) featureReferences |
| 141 |
.next(); |
| 142 |
values.clear(); |
| 143 |
featureType = this.store.getFeatureType(featureRef
|
| 144 |
.getFeatureTypeId()); |
| 145 |
|
| 146 |
Iterator iter = attributes.iterator();
|
| 147 |
FeatureAttributeDescriptor attr; |
| 148 |
while (iter.hasNext()) {
|
| 149 |
attr = (FeatureAttributeDescriptor) iter.next(); |
| 150 |
values.add(helper.dalValueToJDBC(attr, featureRef |
| 151 |
.getKeyValue(attr.getName()))); |
| 152 |
} |
| 153 |
|
| 154 |
for (int i = 0; i < values.size(); i++) { |
| 155 |
st.setObject(i + 1, values.get(i));
|
| 156 |
} |
| 157 |
try {
|
| 158 |
int nAffected =st.executeUpdate();
|
| 159 |
if (nAffected == 0) { |
| 160 |
throw new JDBCUpdateWithoutChangesException(sql, values); |
| 161 |
} |
| 162 |
if (nAffected > 1){ |
| 163 |
logger.warn("Remove statement affectst to {} rows: {}",
|
| 164 |
nAffected, sql); |
| 165 |
} |
| 166 |
|
| 167 |
} catch (SQLException e) { |
| 168 |
throw new JDBCExecutePreparedSQLException(sql, values, e); |
| 169 |
} |
| 170 |
|
| 171 |
} |
| 172 |
} catch (SQLException e) { |
| 173 |
throw new JDBCSQLException(e); |
| 174 |
} finally {
|
| 175 |
try {st.close();} catch (SQLException e) { }; |
| 176 |
} |
| 177 |
|
| 178 |
} |
| 179 |
|
| 180 |
protected void executeUpdatePreparedStatement(Connection conn, String sql, |
| 181 |
List attributes, Iterator featureDatas) throws DataException { |
| 182 |
PreparedStatement st;
|
| 183 |
try {
|
| 184 |
st = conn.prepareStatement(sql); |
| 185 |
} catch (SQLException e) { |
| 186 |
throw new JDBCPreparingSQLException(sql, e); |
| 187 |
} |
| 188 |
try {
|
| 189 |
List values = new ArrayList(); |
| 190 |
FeatureProvider featureData; |
| 191 |
while (featureDatas.hasNext()) {
|
| 192 |
st.clearParameters(); |
| 193 |
featureData = (FeatureProvider) featureDatas.next(); |
| 194 |
values.clear(); |
| 195 |
addToListFeatureValues(featureData, attributes, values); |
| 196 |
for (int i = 0; i < values.size(); i++) { |
| 197 |
st.setObject(i + 1, values.get(i));
|
| 198 |
} |
| 199 |
try {
|
| 200 |
if (st.executeUpdate() == 0) { |
| 201 |
throw new JDBCUpdateWithoutChangesException(sql, values); |
| 202 |
} |
| 203 |
} catch (SQLException e) { |
| 204 |
throw new JDBCExecutePreparedSQLException(sql, values, e); |
| 205 |
} |
| 206 |
|
| 207 |
} |
| 208 |
} catch (SQLException e) { |
| 209 |
throw new JDBCSQLException(e); |
| 210 |
} finally {
|
| 211 |
try {st.close();} catch (SQLException e) { }; |
| 212 |
} |
| 213 |
|
| 214 |
} |
| 215 |
|
| 216 |
protected void performDeletes(Connection conn, Iterator deleteds, List pkAttributes) |
| 217 |
throws DataException {
|
| 218 |
|
| 219 |
if (pkAttributes.size() < 0) { |
| 220 |
// FIXME Exception
|
| 221 |
throw new RuntimeException("Operation requires missing pk"); |
| 222 |
} |
| 223 |
|
| 224 |
// ************ Prepare SQL ****************
|
| 225 |
StringBuilder sqlb = new StringBuilder(); |
| 226 |
sqlb.append("Delete from ");
|
| 227 |
sqlb.append(params.tableID()); |
| 228 |
appendToSQLPreparedPkWhereClause(sqlb, pkAttributes); |
| 229 |
String sql = sqlb.toString();
|
| 230 |
// ************ Prepare SQL (end) ****************
|
| 231 |
|
| 232 |
executeRemovePreparedStatement(conn, sql, pkAttributes, deleteds); |
| 233 |
} |
| 234 |
|
| 235 |
protected String getSqlStatementAddField(FeatureAttributeDescriptor attr, |
| 236 |
List additionalStatement) throws DataException { |
| 237 |
StringBuilder strb = new StringBuilder(); |
| 238 |
strb.append("ADD ");
|
| 239 |
strb.append(this.helper.getSqlFieldDescription(attr));
|
| 240 |
return strb.toString();
|
| 241 |
} |
| 242 |
|
| 243 |
protected String getSqlStatementDropField(FeatureAttributeDescriptor attr,List additionalStatement) { |
| 244 |
// DROP [ COLUMN ] column
|
| 245 |
return " DROP COLUMN " |
| 246 |
+ this.helper.escapeFieldName(attr.getName());
|
| 247 |
|
| 248 |
} |
| 249 |
|
| 250 |
public boolean supportsAppendMode() { |
| 251 |
return true; |
| 252 |
} |
| 253 |
|
| 254 |
public void endAppend() throws DataException { |
| 255 |
this.loadMetadata();
|
| 256 |
appendModeSql = null;
|
| 257 |
appendModeAttributes = null;
|
| 258 |
} |
| 259 |
|
| 260 |
protected List getSqlStatementAlterField( |
| 261 |
FeatureAttributeDescriptor attrOrg, |
| 262 |
FeatureAttributeDescriptor attrTrg, List additionalStatement)
|
| 263 |
throws DataException {
|
| 264 |
//
|
| 265 |
List actions = new ArrayList(); |
| 266 |
StringBuilder strb;
|
| 267 |
if (attrOrg.getDataType() != attrTrg.getDataType()) {
|
| 268 |
// ALTER COLUMN {col} TYPE {type} character varying(35)
|
| 269 |
strb = new StringBuilder(); |
| 270 |
strb.append("ALTER COLUMN ");
|
| 271 |
strb.append(helper.escapeFieldName(attrTrg.getName())); |
| 272 |
strb.append(" ");
|
| 273 |
strb.append(helper.getSqlColumnTypeDescription(attrTrg)); |
| 274 |
|
| 275 |
actions.add(strb.toString()); |
| 276 |
} |
| 277 |
|
| 278 |
if (attrOrg.allowNull() != attrTrg.allowNull()) {
|
| 279 |
// ALTER [ COLUMN ] column { SET | DROP } NOT NULL
|
| 280 |
|
| 281 |
strb = new StringBuilder(); |
| 282 |
strb.append("ALTER COLUMN ");
|
| 283 |
strb.append(helper.escapeFieldName(attrTrg.getName())); |
| 284 |
strb.append(' ');
|
| 285 |
if (attrTrg.allowNull()) {
|
| 286 |
strb.append("SET ");
|
| 287 |
} else {
|
| 288 |
strb.append("DROP ");
|
| 289 |
} |
| 290 |
strb.append("NOT NULL");
|
| 291 |
actions.add(strb.toString()); |
| 292 |
} |
| 293 |
|
| 294 |
if (attrOrg.getDefaultValue() != attrTrg.getDefaultValue()) {
|
| 295 |
if (attrTrg.getDefaultValue() == null) { |
| 296 |
// ALTER [ COLUMN ] column DROP DEFAULT
|
| 297 |
|
| 298 |
strb = new StringBuilder(); |
| 299 |
strb.append("ALTER COLUMN ");
|
| 300 |
strb.append(helper.escapeFieldName(attrTrg.getName())); |
| 301 |
strb.append(" DROP DEFAULT");
|
| 302 |
actions.add(strb.toString()); |
| 303 |
} else if (!attrTrg.getDefaultValue().equals( |
| 304 |
attrOrg.getDefaultValue())) {
|
| 305 |
// ALTER [ COLUMN ] column DROP DEFAULT
|
| 306 |
|
| 307 |
strb = new StringBuilder(); |
| 308 |
strb.append("ALTER COLUMN ");
|
| 309 |
strb.append(helper.escapeFieldName(attrTrg.getName())); |
| 310 |
strb.append(" SET DEFAULT");
|
| 311 |
strb.append(helper.dalValueToJDBC(attrTrg, attrTrg |
| 312 |
.getDefaultValue())); |
| 313 |
actions.add(strb.toString()); |
| 314 |
} |
| 315 |
} |
| 316 |
|
| 317 |
return actions;
|
| 318 |
} |
| 319 |
|
| 320 |
protected void performUpdateTable(Connection conn, FeatureType original, |
| 321 |
FeatureType target) throws DataException {
|
| 322 |
|
| 323 |
/*
|
| 324 |
*
|
| 325 |
* ALTER TABLE [ ONLY ] name [ * ] action [, ... ]
|
| 326 |
*/
|
| 327 |
|
| 328 |
List toDrop = new ArrayList(); |
| 329 |
List toAdd = new ArrayList(); |
| 330 |
List toAlter = new ArrayList(); |
| 331 |
|
| 332 |
List additionalStatement = new ArrayList(); |
| 333 |
|
| 334 |
FeatureAttributeDescriptor attrOrg; |
| 335 |
FeatureAttributeDescriptor attrTrg; |
| 336 |
Iterator attrs = original.iterator();
|
| 337 |
while (attrs.hasNext()) {
|
| 338 |
attrOrg = (FeatureAttributeDescriptor) attrs.next(); |
| 339 |
attrTrg = target.getAttributeDescriptor(attrOrg.getName()); |
| 340 |
if (attrTrg == null) { |
| 341 |
toDrop.add(getSqlStatementDropField(attrOrg, |
| 342 |
additionalStatement)); |
| 343 |
} else {
|
| 344 |
toAlter.addAll(getSqlStatementAlterField(attrOrg, attrTrg, |
| 345 |
additionalStatement)); |
| 346 |
} |
| 347 |
|
| 348 |
} |
| 349 |
attrs = target.iterator(); |
| 350 |
while (attrs.hasNext()) {
|
| 351 |
attrTrg = (FeatureAttributeDescriptor) attrs.next(); |
| 352 |
if (original.getAttributeDescriptor(attrTrg.getName()) == null) { |
| 353 |
toAdd |
| 354 |
.add(getSqlStatementAddField(attrTrg, |
| 355 |
additionalStatement)); |
| 356 |
} |
| 357 |
} |
| 358 |
|
| 359 |
StringBuilder sqlb = new StringBuilder(); |
| 360 |
|
| 361 |
sqlb.append("ALTER TABLE ");
|
| 362 |
sqlb.append(params.tableID()); |
| 363 |
sqlb.append(' ');
|
| 364 |
|
| 365 |
List actions = new ArrayList(); |
| 366 |
actions.addAll(toDrop); |
| 367 |
actions.addAll(toAlter); |
| 368 |
actions.addAll(toAdd); |
| 369 |
|
| 370 |
Iterator it = actions.iterator();
|
| 371 |
while (it.hasNext()) {
|
| 372 |
if (it.next() == null) { |
| 373 |
it.remove(); |
| 374 |
} |
| 375 |
} |
| 376 |
|
| 377 |
it = additionalStatement.iterator(); |
| 378 |
while (it.hasNext()) {
|
| 379 |
if (it.next() == null) { |
| 380 |
it.remove(); |
| 381 |
} |
| 382 |
} |
| 383 |
|
| 384 |
if (actions.size() < 1) { |
| 385 |
return;
|
| 386 |
} |
| 387 |
|
| 388 |
helper.stringJoin(actions, ", ", sqlb);
|
| 389 |
|
| 390 |
String sql = sqlb.toString();
|
| 391 |
|
| 392 |
Statement st = null; |
| 393 |
|
| 394 |
try {
|
| 395 |
st = conn.createStatement(); |
| 396 |
} catch (SQLException e1) { |
| 397 |
throw new JDBCSQLException(e1); |
| 398 |
} |
| 399 |
try {
|
| 400 |
st.execute(sql); |
| 401 |
Iterator iter = additionalStatement.iterator();
|
| 402 |
while (iter.hasNext()) {
|
| 403 |
sql = (String) iter.next();
|
| 404 |
st.execute(sql); |
| 405 |
} |
| 406 |
} catch (SQLException e1) { |
| 407 |
throw new JDBCExecuteSQLException(sql, e1); |
| 408 |
} finally {
|
| 409 |
try {
|
| 410 |
st.close(); |
| 411 |
} catch (Exception e) { |
| 412 |
logger.error("Exception closing statement", e);
|
| 413 |
} |
| 414 |
; |
| 415 |
} |
| 416 |
|
| 417 |
} |
| 418 |
|
| 419 |
|
| 420 |
private void perfomInsert(Connection conn, PreparedStatement insertSt, |
| 421 |
String sql, FeatureProvider feature, List attributes) |
| 422 |
throws DataException {
|
| 423 |
|
| 424 |
try {
|
| 425 |
insertSt.clearParameters(); |
| 426 |
List values = new ArrayList(); |
| 427 |
addToListFeatureValues(feature, attributes, values); |
| 428 |
FeatureAttributeDescriptor attr; |
| 429 |
int j = 1; |
| 430 |
for (int i = 0; i < values.size(); i++) { |
| 431 |
insertSt.setObject(j, values.get(i)); |
| 432 |
j++; |
| 433 |
} |
| 434 |
if (logger.isDebugEnabled()) {
|
| 435 |
logger.debug("Executing insert. sql={} value={}", new Object[] { |
| 436 |
sql, values }); |
| 437 |
} |
| 438 |
try {
|
| 439 |
insertSt.execute(); |
| 440 |
} catch (SQLException e) { |
| 441 |
throw new JDBCExecutePreparedSQLException(sql, values, e); |
| 442 |
} |
| 443 |
|
| 444 |
} catch (SQLException e1) { |
| 445 |
throw new JDBCSQLException(e1); |
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
public void append(final FeatureProvider featureData) throws DataException { |
| 450 |
TransactionalAction action = new TransactionalAction() {
|
| 451 |
public Object action(Connection conn) throws DataException { |
| 452 |
|
| 453 |
PreparedStatement st;
|
| 454 |
try {
|
| 455 |
st = conn.prepareStatement(appendModeSql); |
| 456 |
} catch (SQLException e) { |
| 457 |
throw new JDBCPreparingSQLException(appendModeSql, e); |
| 458 |
} |
| 459 |
try {
|
| 460 |
perfomInsert(conn, st, appendModeSql, featureData, |
| 461 |
appendModeAttributes); |
| 462 |
} finally {
|
| 463 |
try {
|
| 464 |
st.close(); |
| 465 |
} catch (SQLException e) { |
| 466 |
} |
| 467 |
; |
| 468 |
} |
| 469 |
return null; |
| 470 |
} |
| 471 |
|
| 472 |
public boolean continueTransactionAllowed() { |
| 473 |
return false; |
| 474 |
} |
| 475 |
}; |
| 476 |
try {
|
| 477 |
this.helper.doConnectionAction(action);
|
| 478 |
|
| 479 |
resetCount(); |
| 480 |
|
| 481 |
} catch (Exception e) { |
| 482 |
throw new PerformEditingException(this.getName(), e); |
| 483 |
} |
| 484 |
} |
| 485 |
|
| 486 |
protected void prepareAttributeForUpdate(FeatureAttributeDescriptor attr, |
| 487 |
List values) {
|
| 488 |
values.add(helper.escapeFieldName(attr.getName()) + " = ?");
|
| 489 |
} |
| 490 |
|
| 491 |
protected void prepareAttributeForInsert(FeatureAttributeDescriptor attr, |
| 492 |
List fields, List values) { |
| 493 |
|
| 494 |
fields.add(helper.escapeFieldName(attr.getName())); |
| 495 |
values.add("?");
|
| 496 |
|
| 497 |
} |
| 498 |
|
| 499 |
|
| 500 |
protected void prepareSQLAndAttributeListForInsert(StringBuilder sqlb, |
| 501 |
List attributes) throws DataException { |
| 502 |
/*
|
| 503 |
* INSERT INTO table [ ( column [, ...] ) ] { DEFAULT VALUES | VALUES (
|
| 504 |
* { expression | DEFAULT } [, ...] ) [, ...] | query } [ RETURNING * |
|
| 505 |
* output_expression [ AS output_name ] [, ...] ]
|
| 506 |
*/
|
| 507 |
|
| 508 |
sqlb.append("INSERT INTO ");
|
| 509 |
sqlb.append(params.tableID()); |
| 510 |
|
| 511 |
sqlb.append(" (");
|
| 512 |
|
| 513 |
FeatureType type = this.store.getDefaultFeatureType();
|
| 514 |
|
| 515 |
List fields = new ArrayList(); |
| 516 |
List values = new ArrayList(); |
| 517 |
|
| 518 |
Iterator iter = type.iterator();
|
| 519 |
FeatureAttributeDescriptor attr; |
| 520 |
while (iter.hasNext()) {
|
| 521 |
attr = (FeatureAttributeDescriptor) iter.next(); |
| 522 |
if (attr.isAutomatic() || attr.isReadOnly()) {
|
| 523 |
continue;
|
| 524 |
} |
| 525 |
attributes.add(attr); |
| 526 |
prepareAttributeForInsert(attr, fields, values); |
| 527 |
|
| 528 |
} |
| 529 |
if (attributes.size() < 1) { |
| 530 |
// FIXME exception
|
| 531 |
throw new RuntimeException("no fields to set"); |
| 532 |
} |
| 533 |
|
| 534 |
helper.stringJoin(fields, ", ", sqlb);
|
| 535 |
|
| 536 |
sqlb.append(") VALUES (");
|
| 537 |
helper.stringJoin(values, ", ", sqlb);
|
| 538 |
|
| 539 |
sqlb.append(") ");
|
| 540 |
|
| 541 |
} |
| 542 |
|
| 543 |
|
| 544 |
protected void performInserts(Connection conn, Iterator inserteds) |
| 545 |
throws DataException {
|
| 546 |
|
| 547 |
StringBuilder sqlb = new StringBuilder(); |
| 548 |
List attrs = new ArrayList(); |
| 549 |
|
| 550 |
prepareSQLAndAttributeListForInsert(sqlb, attrs); |
| 551 |
|
| 552 |
String sql = sqlb.toString();
|
| 553 |
PreparedStatement st;
|
| 554 |
try {
|
| 555 |
st = conn.prepareStatement(sql); |
| 556 |
} catch (SQLException e) { |
| 557 |
throw new JDBCPreparingSQLException(sql, e); |
| 558 |
} |
| 559 |
try {
|
| 560 |
while (inserteds.hasNext()) {
|
| 561 |
perfomInsert(conn, st, sql, (FeatureProvider) inserteds.next(), |
| 562 |
attrs); |
| 563 |
} |
| 564 |
} finally {
|
| 565 |
try {st.close();} catch (SQLException e) {logger.error("Error closing statement", e);}; |
| 566 |
} |
| 567 |
} |
| 568 |
|
| 569 |
protected void performUpdates(Connection conn, Iterator updateds, |
| 570 |
List pkAttributes) throws DataException { |
| 571 |
/*
|
| 572 |
* UPDATE [ ONLY ] table [ [ AS ] alias ] SET { column = { expression |
|
| 573 |
* DEFAULT } | ( column [, ...] ) = ( { expression | DEFAULT } [, ...] )
|
| 574 |
* } [, ...] [ FROM fromlist ] [ WHERE condition ] [ RETURNING * |
|
| 575 |
* output_expression [ AS output_name ] [, ...] ]
|
| 576 |
*/
|
| 577 |
|
| 578 |
if (pkAttributes.size() < 0) { |
| 579 |
// FIXME Exception
|
| 580 |
throw new RuntimeException("Operation requires missing pk"); |
| 581 |
} |
| 582 |
|
| 583 |
// ************ Prepare SQL ****************
|
| 584 |
|
| 585 |
StringBuilder sqlb = new StringBuilder(); |
| 586 |
sqlb.append("UPDATE ");
|
| 587 |
sqlb.append(params.tableID()); |
| 588 |
|
| 589 |
sqlb.append(" SET ");
|
| 590 |
|
| 591 |
List values = new ArrayList(); |
| 592 |
|
| 593 |
FeatureType type = this.store.getDefaultFeatureType();
|
| 594 |
|
| 595 |
Iterator iter = type.iterator();
|
| 596 |
FeatureAttributeDescriptor attr; |
| 597 |
List updateAttrs = new ArrayList(); |
| 598 |
while (iter.hasNext()) {
|
| 599 |
attr = (FeatureAttributeDescriptor) iter.next(); |
| 600 |
if (attr.isPrimaryKey() || attr.isAutomatic() || attr.isReadOnly()) {
|
| 601 |
continue;
|
| 602 |
} |
| 603 |
updateAttrs.add(attr); |
| 604 |
prepareAttributeForUpdate(attr, values); |
| 605 |
|
| 606 |
} |
| 607 |
if (updateAttrs.size() < 1) { |
| 608 |
// FIXME exception
|
| 609 |
throw new RuntimeException("no fields to set"); |
| 610 |
} |
| 611 |
|
| 612 |
helper.stringJoin(values, ", ", sqlb);
|
| 613 |
|
| 614 |
sqlb.append(' ');
|
| 615 |
appendToSQLPreparedPkWhereClause(sqlb, pkAttributes); |
| 616 |
|
| 617 |
String sql = sqlb.toString();
|
| 618 |
// ************ Prepare SQL (end) ****************
|
| 619 |
|
| 620 |
updateAttrs.addAll(pkAttributes); |
| 621 |
|
| 622 |
executeUpdatePreparedStatement(conn, sql, updateAttrs, updateds); |
| 623 |
} |
| 624 |
|
| 625 |
|
| 626 |
public void beginAppend() throws DataException { |
| 627 |
StringBuilder sqlb = new StringBuilder(); |
| 628 |
List attrs = new ArrayList(); |
| 629 |
|
| 630 |
prepareSQLAndAttributeListForInsert(sqlb, attrs); |
| 631 |
|
| 632 |
appendModeSql = sqlb.toString(); |
| 633 |
appendModeAttributes = attrs; |
| 634 |
} |
| 635 |
|
| 636 |
|
| 637 |
protected TransactionalAction getPerformChangesAction(
|
| 638 |
final Iterator deleteds, final Iterator inserteds, |
| 639 |
final Iterator updateds, final Iterator featureTypesChanged) { |
| 640 |
|
| 641 |
TransactionalAction action = new TransactionalAction() {
|
| 642 |
|
| 643 |
public Object action(Connection conn) throws DataException { |
| 644 |
|
| 645 |
if (featureTypesChanged.hasNext()) {
|
| 646 |
|
| 647 |
FeatureTypeChanged item = (FeatureTypeChanged) featureTypesChanged |
| 648 |
.next(); |
| 649 |
performUpdateTable(conn, item.getSource(), item.getTarget()); |
| 650 |
} |
| 651 |
|
| 652 |
List pkAttributes = null; |
| 653 |
if (deleteds.hasNext() || updateds.hasNext()) {
|
| 654 |
pkAttributes = Arrays.asList(store.getDefaultFeatureType()
|
| 655 |
.getPrimaryKey()); |
| 656 |
} |
| 657 |
|
| 658 |
if (deleteds.hasNext()) {
|
| 659 |
performDeletes(conn, deleteds, pkAttributes); |
| 660 |
} |
| 661 |
|
| 662 |
if (updateds.hasNext()) {
|
| 663 |
performUpdates(conn, updateds, pkAttributes); |
| 664 |
} |
| 665 |
|
| 666 |
if (inserteds.hasNext()) {
|
| 667 |
performInserts(conn, inserteds); |
| 668 |
} |
| 669 |
|
| 670 |
return null; |
| 671 |
} |
| 672 |
|
| 673 |
public boolean continueTransactionAllowed() { |
| 674 |
return false; |
| 675 |
} |
| 676 |
|
| 677 |
}; |
| 678 |
|
| 679 |
return action;
|
| 680 |
|
| 681 |
} |
| 682 |
|
| 683 |
public void performChanges(Iterator deleteds, Iterator inserteds, |
| 684 |
Iterator updateds, Iterator featureTypesChanged) |
| 685 |
throws PerformEditingException {
|
| 686 |
|
| 687 |
boolean countChanged = deleteds.hasNext() || inserteds.hasNext();
|
| 688 |
|
| 689 |
try {
|
| 690 |
this.helper.doConnectionAction(getPerformChangesAction(deleteds,
|
| 691 |
inserteds, updateds, featureTypesChanged)); |
| 692 |
|
| 693 |
this.initFeatureType();
|
| 694 |
if (countChanged) {
|
| 695 |
resetCount(); |
| 696 |
} |
| 697 |
|
| 698 |
} catch (Exception e) { |
| 699 |
throw new PerformEditingException(this.getName(), e); |
| 700 |
} |
| 701 |
} |
| 702 |
|
| 703 |
|
| 704 |
public boolean allowWrite() { |
| 705 |
if (directSQLMode) {
|
| 706 |
return false; |
| 707 |
} |
| 708 |
if (params.getPkFields() == null || params.getPkFields().length > 0) { |
| 709 |
FeatureType ft = null;
|
| 710 |
try {
|
| 711 |
ft = this.store.getDefaultFeatureType();
|
| 712 |
} catch (DataException e) {
|
| 713 |
logger.error("Excepton get default Feature Type", e);
|
| 714 |
} |
| 715 |
|
| 716 |
if (ft == null) { |
| 717 |
return false; |
| 718 |
} |
| 719 |
FeatureAttributeDescriptor attr; |
| 720 |
Iterator iter = ft.iterator();
|
| 721 |
while (iter.hasNext()) {
|
| 722 |
attr = (FeatureAttributeDescriptor) iter.next(); |
| 723 |
if (attr.isPrimaryKey()) {
|
| 724 |
return true; |
| 725 |
} |
| 726 |
} |
| 727 |
return false; |
| 728 |
|
| 729 |
} else {
|
| 730 |
return true; |
| 731 |
} |
| 732 |
} |
| 733 |
} |