Mercurial > hg > openmind
annotate src/main/java/org/mpi/openmind/repository/services/AbstractPersistenceService.java @ 75:e0be7c0030f5
cleanup and better comments.
| author | casties |
|---|---|
| date | Thu, 23 Feb 2017 19:05:47 +0100 |
| parents | 7acd7564e394 |
| children | 4c9ceb28cfd0 |
| rev | line source |
|---|---|
| 1 | 1 package org.mpi.openmind.repository.services; |
| 2 | |
| 3 import java.text.DecimalFormat; | |
| 4 import java.util.ArrayList; | |
| 5 import java.util.List; | |
| 6 import java.util.Map; | |
| 7 | |
| 8 import org.apache.commons.lang.StringUtils; | |
| 9 import org.apache.log4j.Logger; | |
| 10 import org.hibernate.Query; | |
| 11 import org.hibernate.Session; | |
| 12 import org.mpi.openmind.configuration.ConfigurationService; | |
| 13 import org.mpi.openmind.repository.bo.Attribute; | |
| 14 import org.mpi.openmind.repository.bo.Entity; | |
| 15 import org.mpi.openmind.repository.bo.Node; | |
| 16 import org.mpi.openmind.repository.bo.Relation; | |
| 17 import org.mpi.openmind.repository.bo.View; | |
| 18 import org.mpi.openmind.repository.bo.utils.Sequence; | |
| 19 import org.mpi.openmind.repository.utils.HibernateUtil; | |
| 20 import org.mpi.openmind.repository.utils.OwnValueGenerator; | |
| 21 | |
| 22 /** | |
| 23 * | |
| 24 * @author jurzua | |
| 25 */ | |
| 26 public abstract class AbstractPersistenceService { | |
| 27 | |
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28 private ConfigurationService configurationService; |
| 1 | 29 |
| 30 private OwnValueGenerator ownValueGenerator; | |
| 31 | |
| 32 private final static String NODE_SEQUENCE = "nodeSequence"; | |
| 33 | |
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34 private static Logger logger = Logger.getLogger(AbstractPersistenceService.class); |
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35 |
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36 public static final String TRANSACTION_LOGGER = "openmind.transactionlog"; |
| 1 | 37 |
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38 private static Logger txLog = Logger.getLogger(TRANSACTION_LOGGER); |
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39 |
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40 private boolean importMode = false; |
| 1 | 41 |
| 42 public AbstractPersistenceService() { | |
| 43 } | |
| 44 | |
| 45 public String generateOwnValue(Entity entity) { | |
| 46 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 47 String ownValue = null; | |
| 48 | |
| 49 try { | |
| 50 session.getTransaction().begin(); | |
| 51 ownValue = this.ownValueGenerator.generateOwnValue(entity, session); | |
| 52 } catch (Exception e) { | |
| 53 logger.error(e.getMessage(), e); | |
| 54 // e.printStackTrace(); | |
| 55 } finally { | |
| 56 session.getTransaction().commit(); | |
| 57 } | |
| 58 | |
| 59 return ownValue; | |
| 60 } | |
| 61 | |
| 62 public int dropAssertions() { | |
| 63 int row = 0; | |
| 64 try { | |
| 65 Session session = HibernateUtil.getSessionFactory() | |
| 66 .getCurrentSession(); | |
| 67 session.beginTransaction(); | |
| 68 String sql = "DELETE FROM Node WHERE type = 'ABox'"; | |
| 69 Query query = session.createQuery(sql); | |
| 70 row = query.executeUpdate(); | |
| 71 | |
| 72 logger.info("Drop assertions - rows deleted= " + row); | |
| 73 | |
| 74 session.getTransaction().commit(); | |
| 75 } catch (Exception e) { | |
| 76 logger.error(e.getMessage(), e); | |
| 77 // e.printStackTrace(); | |
| 78 } | |
| 79 return row; | |
| 80 } | |
| 81 | |
| 82 public int dropDefinitions() { | |
| 83 int row = 0; | |
| 84 try { | |
| 85 Session session = HibernateUtil.getSessionFactory() | |
| 86 .getCurrentSession(); | |
| 87 session.beginTransaction(); | |
| 88 String sql = "DELETE FROM Node WHERE type = 'TBox'"; | |
| 89 Query query = session.createQuery(sql); | |
| 90 row = query.executeUpdate(); | |
| 91 | |
| 92 logger.info("Drop definitions - rows deleted= " + row); | |
| 93 | |
| 94 session.getTransaction().commit(); | |
| 95 } catch (Exception e) { | |
| 96 logger.error(e.getMessage(), e); | |
| 97 // e.printStackTrace(); | |
| 98 } | |
| 99 return row; | |
| 100 } | |
| 101 | |
| 102 public void saveOrUpdateObject(Object obj) { | |
| 103 try { | |
| 104 Session session = HibernateUtil.getSessionFactory() | |
| 105 .getCurrentSession(); | |
| 106 session.getTransaction().begin(); | |
| 107 session.saveOrUpdate(obj); | |
| 108 session.getTransaction().commit(); | |
| 109 } catch (Exception e) { | |
| 110 logger.error(e.getMessage(), e); | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 private void saveNode0(Session session, Node node, Sequence idSequence){ | |
| 115 node.autoNormalize(); | |
| 116 node.setSystemStatus(Node.SYS_STATUS_CURRENT_VERSION); | |
| 117 | |
| 118 if(node.getModificationTime() == null){ | |
| 119 node.setModificationTime(System.currentTimeMillis()); | |
| 120 } | |
| 121 if(node.getVersion() == null){ | |
| 122 node.increaseVersion(); | |
| 123 } | |
| 124 | |
| 125 if (node.getId() == null){ | |
| 126 node.setId(idSequence.generateId()); | |
| 127 } | |
| 128 | |
| 129 if (node.getRowId() == null){ | |
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130 logger.debug("Save node: "+node.toString()); |
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131 txLog.info("save node: "+node.toEncString()); |
| 1 | 132 session.save(node); |
| 133 }else{ | |
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134 txLog.info("merge node: "+node.toEncString()); |
| 1 | 135 session.merge(node); |
| 136 } | |
| 137 | |
| 138 logger.info("Saved node\t" + node); | |
| 139 } | |
| 140 | |
| 141 public void saveNode(Node node) throws Exception { | |
| 142 | |
| 143 logger.info("Saving node\t" + node); | |
| 144 | |
| 145 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 146 session.getTransaction().begin(); | |
| 147 | |
| 148 Sequence idSequence = this.getIdSequence(session); | |
| 149 | |
| 150 this.saveNode0(session, node, idSequence); | |
| 151 | |
| 152 session.save(idSequence); | |
| 153 | |
| 154 session.getTransaction().commit(); | |
| 155 logger.info("Node saved\t" + node); | |
| 156 } | |
| 157 | |
| 158 public void saveNodeList(List<Node> nodeList) throws Exception{ | |
| 159 | |
| 160 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 161 session.getTransaction().begin(); | |
| 162 | |
| 163 Sequence idSequence = this.getIdSequence(session); | |
| 164 /* | |
| 165 long start = System.currentTimeMillis(); | |
| 166 DecimalFormat df = new DecimalFormat("#.##"); | |
| 167 int counter = 0; | |
| 168 */ | |
| 169 logger.info("##### Saving Node List: " + nodeList.size() + " #####"); | |
| 170 | |
| 171 for (Node node : nodeList) { | |
| 172 this.saveNode0(session, node, idSequence); | |
| 173 /* | |
| 174 double percent = ((double) counter / (double) nodeList.size()) * 100.0; | |
| 175 long diff = System.currentTimeMillis() - start; | |
| 176 double min = (double) diff / (double) (60 * 1000); | |
| 177 | |
| 178 if ((percent % 10) < 0.005) { | |
| 179 logger.debug("\n[" + df.format(percent) + " %] counter: " | |
| 180 + counter + " / " + nodeList.size()); | |
| 181 | |
| 182 logger.debug("Tempo: " + (double) counter / min); | |
| 183 } | |
| 184 counter++; | |
| 185 */ | |
| 186 } | |
| 187 | |
| 188 session.save(idSequence); | |
| 189 session.getTransaction().commit(); | |
| 190 } | |
| 191 | |
| 192 /** | |
| 193 * This method delete the nodes and its history. | |
| 194 * | |
| 195 * @param nodeList | |
| 196 */ | |
| 197 public void removeNode(Node node) { | |
| 198 try { | |
| 199 Session session = HibernateUtil.getSessionFactory() | |
| 200 .getCurrentSession(); | |
| 201 session.getTransaction().begin(); | |
| 202 | |
| 203 this.removeNodesById(node.getId(), session); | |
| 204 | |
| 205 session.getTransaction().commit(); | |
| 206 } catch (Exception e) { | |
| 207 logger.error(e.getMessage(), e); | |
| 208 // e.printStackTrace(); | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 /** | |
| 213 * This method delete the nodes and its history. | |
| 214 * | |
| 215 * @param nodeList | |
| 216 */ | |
| 217 public void removeNodeList(List<Node> nodeList) { | |
| 218 try { | |
| 219 Session session = HibernateUtil.getSessionFactory() | |
| 220 .getCurrentSession(); | |
| 221 session.getTransaction().begin(); | |
| 222 | |
| 223 logger.debug("##### Deleting Node List: " + nodeList.size() | |
| 224 + " #####"); | |
| 225 | |
| 226 for (Node node : nodeList) { | |
| 227 this.removeNodesById(node.getId(), session); | |
| 228 } | |
| 229 | |
| 230 session.getTransaction().commit(); | |
| 231 } catch (Exception e) { | |
| 232 logger.error(e.getMessage(), e); | |
| 233 // e.printStackTrace(); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 /** | |
| 238 * Save every part of the entity but not generate new versions nor ownValue | |
| 239 * | |
| 240 * @param nodeList | |
| 241 */ | |
| 242 public void saveEntityListAsNode(List<Entity> entList) { | |
| 243 int entitiesSize = 0; | |
| 244 int nodeSize = 0; | |
| 245 long start = System.currentTimeMillis(); | |
| 246 try { | |
| 247 Session session = HibernateUtil.getSessionFactory() | |
| 248 .getCurrentSession(); | |
| 249 session.getTransaction().begin(); | |
| 250 | |
| 251 Sequence idSequence = this.getIdSequence(session); | |
| 252 | |
| 253 DecimalFormat df = new DecimalFormat("#.##"); | |
| 254 int counter = 0; | |
| 255 | |
| 256 List<Node> nodeList = generateNodeList(entList); | |
| 257 logger.debug("##### Saving Node List #####"); | |
| 258 logger.debug("Entities: " + entList.size() + " #####"); | |
| 259 logger.debug("Nodes: " + nodeList.size() + " #####"); | |
| 260 | |
| 261 entitiesSize = entList.size(); | |
| 262 nodeSize = nodeList.size(); | |
| 263 | |
| 264 for (Node node : nodeList) { | |
| 265 | |
| 266 node.autoNormalize(); | |
| 267 | |
| 268 if (node.getId() == null) | |
| 269 node.setId(idSequence.generateId()); | |
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270 if (node.getRowId() == null) { |
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271 logger.debug("Save node from EntityListAsNode: "+node); |
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272 txLog.info("save node: "+node.toEncString()); |
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273 session.save(node); |
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274 } else { |
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275 txLog.info("merge node: "+node.toEncString()); |
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276 session.merge(node); |
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277 |
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278 } |
| 1 | 279 |
| 280 double percent = ((double) counter / (double) nodeList.size()) * 100.0; | |
| 281 long diff = System.currentTimeMillis() - start; | |
| 282 double min = (double) diff / (double) (60 * 1000); | |
| 283 | |
| 284 if ((percent % 10) < 0.005) { | |
| 285 logger.debug("\n[" + df.format(percent) + " %] counter: " | |
| 286 + counter + " / " + nodeList.size()); | |
| 287 | |
| 288 logger.debug("Tempo: " + (double) counter / min); | |
| 289 } | |
| 290 counter++; | |
| 291 } | |
| 292 | |
| 293 session.save(idSequence); | |
| 294 session.getTransaction().commit(); | |
| 295 | |
| 296 StringBuilder sb = new StringBuilder(); | |
| 297 sb.append("\n\t#### saveEntityListAsNode ####\n"); | |
| 298 sb.append("\tentitiesSize=\t" + entitiesSize + "\n"); | |
| 299 sb.append("\tnodeSize=\t" + nodeSize + "\n"); | |
| 300 sb.append("\ttime[ms]=\t" + (System.currentTimeMillis() - start) | |
| 301 + "\n"); | |
| 302 logger.info(sb.toString()); | |
| 303 | |
| 304 } catch (Exception e) { | |
| 305 logger.error(e.getMessage(), e); | |
| 306 e.printStackTrace(); | |
| 307 } | |
| 308 } | |
| 309 | |
| 310 private List<Node> generateNodeList(List<Entity> list) { | |
| 311 List<Node> list0 = new ArrayList<Node>(); | |
| 312 for (Entity ent : list) { | |
| 313 list0.add(ent); | |
| 314 for (Attribute att : ent.getAttributes()) { | |
| 315 list0.add(att); | |
| 316 } | |
| 317 for (Relation rel : ent.getSourceRelations()) { | |
| 318 list0.add(rel); | |
| 319 } | |
| 320 for (Relation rel : ent.getTargetRelations()) { | |
| 321 list0.add(rel); | |
| 322 } | |
| 323 } | |
| 324 return list0; | |
| 325 } | |
| 326 | |
| 327 /** | |
| 38 | 328 * Saves all given entities without attributes and relations without creating new versions. |
| 329 * | |
| 1 | 330 * @param nodeList |
| 331 */ | |
| 38 | 332 public void saveEntityListAsNodeWithoutContent(List<Entity> nodeList) throws Exception { |
| 333 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 334 try { | |
| 335 session.getTransaction().begin(); | |
| 336 Sequence idSequence = this.getIdSequence(session); | |
| 337 | |
| 338 logger.debug("START saving Node list of size " + nodeList.size()); | |
| 1 | 339 |
| 38 | 340 for (Entity node : nodeList) { |
| 341 node.autoNormalize(); | |
| 342 if (node.getId() == null) { | |
| 343 node.setId(idSequence.generateId()); | |
| 344 } | |
| 345 if (node.getRowId() == null) { | |
| 346 // node is new | |
| 347 logger.debug("Saving node from EntityListAsNodeWithoutContent: " + node); | |
| 348 txLog.info("save node: " + node.toEncString()); | |
| 349 session.save(node); | |
| 350 } else { | |
| 351 txLog.info("merge node: " + node.toEncString()); | |
| 352 session.merge(node); | |
| 353 } | |
| 354 } | |
| 355 // update sequence | |
| 356 session.save(idSequence); | |
| 357 | |
| 358 logger.debug("END saving Node list."); | |
| 359 | |
| 360 } catch (Exception e) { | |
| 361 logger.error(e); | |
| 362 } finally { | |
| 363 session.getTransaction().commit(); | |
| 364 } | |
| 1 | 365 } |
| 366 | |
| 367 public void deleteEntityList(List<Entity> entities) { | |
| 368 try { | |
| 369 Session session = HibernateUtil.getSessionFactory() | |
| 370 .getCurrentSession(); | |
| 371 session.getTransaction().begin(); | |
| 372 | |
| 373 for (Entity ent : entities) { | |
| 374 this.removePersistenceEntity(ent, session); | |
| 375 } | |
| 376 | |
| 377 session.getTransaction().commit(); | |
| 378 } catch (Exception e) { | |
| 379 logger.error(e.getMessage(), e); | |
| 380 // e.printStackTrace(); | |
| 381 } | |
| 382 } | |
| 383 | |
| 384 public void saveEntityList(List<Entity> entities) throws Exception { | |
| 385 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 386 session.getTransaction().begin(); | |
| 387 | |
| 388 for (Entity entity : entities) { | |
| 389 saveEntity0(session, entity); | |
| 390 } | |
| 391 | |
| 392 session.getTransaction().commit(); | |
| 393 } | |
| 394 | |
| 395 public Map<Long, Long> saveEntityListAsNew(List<Entity> entities, | |
| 396 Map<Long, Long> idMap) throws Exception { | |
| 397 | |
| 398 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 399 session.getTransaction().begin(); | |
| 400 Sequence idSequence = this.getIdSequence(session); | |
| 401 | |
| 402 for (Entity entity : entities) { | |
| 403 | |
| 404 Long oldId = entity.getId(); | |
| 405 entity.resetId(); | |
| 406 entity.resetRowId(); | |
| 407 this.saveEntity0(session, entity); | |
| 408 idMap.put(oldId, entity.getId()); | |
| 409 } | |
| 410 | |
| 411 session.save(idSequence); | |
| 412 session.getTransaction().commit(); | |
| 413 return idMap; | |
| 414 } | |
| 415 | |
| 416 /** | |
| 417 * <p> | |
| 418 * This method deletes all entities by type (TBox/ABox), it means the method | |
| 419 * deletes either all concepts or all assertions. | |
| 420 * </p> | |
| 421 * <p> | |
| 422 * The history of every deleted entity will be removed too. | |
| 423 * </p> | |
| 424 * | |
| 425 * @param type | |
| 426 * Node.TYPE_TBOX or Node.TYPE_ABOX | |
| 427 */ | |
| 428 @Deprecated | |
| 429 public void deleteEntities(Long id, String type, Boolean deleteHistory) { | |
| 430 if (!(Node.TYPE_ABOX.equals(type) || Node.TYPE_TBOX.equals(type))) { | |
| 431 throw new IllegalArgumentException( | |
| 432 "The parameter 'type' should be either: " + Node.TYPE_ABOX | |
| 433 + " or " + Node.TYPE_TBOX + ", but was: " + type); | |
| 434 } | |
| 435 | |
| 436 List<Entity> entList = this.getEntities(id, | |
| 437 Node.SYS_STATUS_CURRENT_VERSION, type, null); | |
| 438 | |
| 439 // loading previous versions | |
| 440 List<Entity> historyEntList = new ArrayList<Entity>(); | |
| 441 if (deleteHistory) { | |
| 442 for (Entity ent : entList) { | |
| 443 historyEntList.addAll(this.getEntities(ent.getId(), | |
| 444 Node.SYS_STATUS_PREVIOUS_VERSION, type, null)); | |
| 445 } | |
| 446 } | |
| 447 | |
| 448 try { | |
| 449 Session session = HibernateUtil.getSessionFactory() | |
| 450 .getCurrentSession(); | |
| 451 session.getTransaction().begin(); | |
| 452 | |
| 453 for (Entity ent : entList) { | |
| 454 this.removePersistenceEntity(ent, session); | |
| 455 } | |
| 456 if (deleteHistory) { | |
| 457 for (Entity ent : historyEntList) { | |
| 458 this.removePersistenceEntity(ent, session); | |
| 459 } | |
| 460 } | |
| 461 | |
| 462 session.getTransaction().commit(); | |
| 463 } catch (Exception e) { | |
| 464 logger.error(e.getMessage(), e); | |
| 465 // e.printStackTrace(); | |
| 466 } | |
| 467 } | |
| 468 | |
| 469 /** | |
| 470 * This deleting is made using JDBC and not hibernate. The history is too | |
| 471 * removed by this method. TODO test what could happen with the hibernate | |
| 472 * cache | |
| 473 * | |
| 474 * @param ent | |
| 475 * @param session | |
| 476 */ | |
| 477 private void removePersistenceEntity(Entity ent, Session session) { | |
| 478 for (Attribute att : ent.getAttributes()) { | |
| 479 // session.delete(att); | |
| 480 removeNodesById(att.getId(), session); | |
| 481 for (View view : att.getViews()) { | |
| 482 // session.delete(view); | |
| 483 removeNodesById(view.getId(), session); | |
| 484 } | |
| 485 } | |
| 486 for (Relation rel : ent.getSourceRelations()) { | |
| 487 // session.delete(rel); | |
| 488 removeNodesById(rel.getId(), session); | |
| 489 for (View view : rel.getViews()) { | |
| 490 // session.delete(view); | |
| 491 removeNodesById(view.getId(), session); | |
| 492 } | |
| 493 } | |
| 494 for (Relation rel : ent.getTargetRelations()) { | |
| 495 // session.delete(rel); | |
| 496 removeNodesById(rel.getId(), session); | |
| 497 for (View view : rel.getViews()) { | |
| 498 // session.delete(view); | |
| 499 removeNodesById(view.getId(), session); | |
| 500 } | |
| 501 } | |
| 502 for (View view : ent.getViews()) { | |
| 503 // session.delete(view); | |
| 504 removeNodesById(view.getId(), session); | |
| 505 } | |
| 506 // session.delete(ent); | |
| 507 removeNodesById(ent.getId(), session); | |
| 508 } | |
| 509 | |
| 510 private int removeNodesById(Long id, Session session) { | |
| 511 String sql = "DELETE FROM Node WHERE id = :id"; | |
| 512 Query query = session.createQuery(sql); | |
| 513 query.setLong("id", id); | |
| 514 return query.executeUpdate(); | |
| 515 } | |
| 516 | |
| 517 /** | |
| 518 * <p> | |
| 519 * Changes the system status of the entity from CURRENT_VERSION to | |
| 520 * PREVIOUS_VERSION. | |
| 521 * </p> | |
| 522 * | |
| 523 * <p> | |
| 524 * It means, the entity will stay in the DB, but the it will not be visible | |
| 525 * by the ordinary methods. | |
| 526 * </p> | |
| 527 * | |
| 528 * @param entity | |
| 529 */ | |
| 51 | 530 public void removeEntCurrentVersion(Long entId, String type) throws Exception { |
| 531 logger.info("Deleting entity [ID=" + entId + ", type=" + type + "]. But keeping history in DB."); | |
| 532 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 533 try { | |
| 534 session.getTransaction().begin(); | |
| 1 | 535 |
| 51 | 536 if (entId != null) { |
| 537 /* | |
| 538 * this method get the current version. Related to the relation, | |
| 539 * the time_modification is not consider, because it it | |
| 540 * producing problems. | |
| 541 */ | |
| 542 List<Entity> previousEntityList = this.getEntities(session, entId, Node.SYS_STATUS_CURRENT_VERSION, | |
| 543 type, null, false); | |
| 544 if (previousEntityList.size() > 0) { | |
| 545 if (previousEntityList.size() > 1) { | |
| 546 logger.error("Found more than one current entities!"); | |
| 547 } | |
| 548 Entity previousEntity = previousEntityList.get(0); | |
| 549 logger.info("Saving previous entity: " + previousEntity); | |
| 550 this.persistEntityAsPrevious(session, previousEntity); | |
| 551 } | |
| 552 } | |
| 553 } catch (Exception e) { | |
| 554 logger.error(e); | |
| 555 } finally { | |
| 556 session.getTransaction().commit(); | |
| 557 } | |
| 558 } | |
| 1 | 559 |
| 560 /** | |
|
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561 * Save the entity to the database. |
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562 * |
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563 * Creates a new version of the entity. Runs in a transaction. |
| 1 | 564 * |
| 565 * @param entity | |
| 566 * @return | |
| 567 */ | |
| 568 public void saveEntity(Entity entity) throws Exception { | |
| 36 | 569 // start transaction |
| 1 | 570 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); |
| 571 session.getTransaction().begin(); | |
| 36 | 572 // save entity |
| 1 | 573 saveEntity0(session, entity); |
| 36 | 574 // end transaction |
| 1 | 575 session.getTransaction().commit(); |
| 576 } | |
| 577 | |
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578 /** |
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579 * Save the entity to the database using the given session. |
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580 * |
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581 * Creates a new version and sets the existing entity to PREVIOUS_VERSION. |
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582 * |
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583 * @param session |
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584 * @param entity |
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585 * @throws Exception |
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586 */ |
| 1 | 587 private void saveEntity0(Session session, Entity entity) throws Exception { |
| 588 if (entity.getId() != null) { | |
| 36 | 589 // get the still current entity(s) |
| 1 | 590 List<Entity> previousEntityList = this.getEntities(session, entity.getId(), Node.SYS_STATUS_CURRENT_VERSION, entity.getType(), null, false); |
| 591 if (previousEntityList.size() > 0) { | |
| 592 if (previousEntityList.size() > 1) { | |
| 51 | 593 logger.error("Found more than one current entities!"); |
| 1 | 594 } |
| 36 | 595 // set the first current entity as previous |
| 1 | 596 Entity previousEntity = previousEntityList.get(0); |
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597 // compare old and new entity |
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598 if (! previousEntity.equalsStructure(entity)) { |
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599 logger.warn("Entity to save has different structure! old="+previousEntity+" new="+entity); |
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600 } |
| 1 | 601 logger.info("Saving previous entity: " + previousEntity); |
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602 this.persistEntityAsPrevious(session, previousEntity); |
| 1 | 603 } |
| 604 } | |
| 605 this.saveCurrentEntity(session, entity, null); | |
| 606 } | |
| 607 | |
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608 /** |
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609 * Save the entity as (new) current version using the given session. |
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610 * |
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611 * Sets system_status to CURRENT_VERSION and updates row_id, version, modification_time, |
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612 * etc. |
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613 * |
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614 * @param session |
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615 * @param entity |
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616 * @param idSequence |
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617 * @throws Exception |
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618 */ |
| 36 | 619 private void saveCurrentEntity(Session session, Entity entity, Sequence idSequence) throws Exception { |
| 1 | 620 Long time = System.currentTimeMillis(); |
| 57 | 621 refreshEntityRelations(session, entity); |
| 1 | 622 entity.setSystemStatus(Node.SYS_STATUS_CURRENT_VERSION); |
| 623 entity.resetRowId(); | |
| 624 entity.increaseVersion(); | |
| 625 entity.setObjectClass(entity.getObjectClass()); | |
| 626 entity.setModificationTime(time); | |
| 627 entity.setType(entity.getType()); | |
| 628 entity.setUser(entity.getUser()); | |
| 629 entity.autoNormalize(); | |
| 630 // generating of id, connecting rels, atts and views to the entity | |
| 631 this.prepareEntity(session, entity, idSequence); | |
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632 this.persistEntity(session, entity); |
| 1 | 633 } |
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634 |
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635 /** |
| 57 | 636 * Updates the endpoints of the relations of this entity. |
| 637 * | |
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638 * This class must be called, |
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639 * because sometimes the current entity is related to other entities that |
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640 * have been changed in parallel to the edition of this entity. |
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641 * For this reason, some relations of the current entity can have old information of the related entities (like the modification time). |
| 57 | 642 * This method updates the relations of the current entities getting the actual information of the related entities directly from the DB. |
| 643 * | |
| 644 * @author jurzua | |
| 645 * | |
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646 * @param session |
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647 * @param entity |
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648 * @throws Exception |
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649 */ |
| 57 | 650 private void refreshEntityRelations(Session session, Entity entity) throws Exception { |
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651 for(Relation rel : entity.getSourceRelations()){ |
| 57 | 652 refreshRelationTarget(session, rel); |
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653 } |
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654 |
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655 for(Relation rel : entity.getTargetRelations()){ |
| 57 | 656 refreshRelationSource(session, rel); |
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657 } |
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658 } |
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659 |
| 57 | 660 /** |
| 661 * Update the target of the relation. | |
| 662 * | |
| 663 * @author jurzua | |
| 664 * | |
| 665 * @param session | |
| 666 * @param rel | |
| 667 * @throws Exception | |
| 668 */ | |
| 669 private void refreshRelationTarget(Session session, Relation rel) throws Exception { | |
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670 long targetModifOld = rel.getTargetModif(); |
| 74 | 671 StringBuilder sb = new StringBuilder("refreshTarget of " + rel.toString() + " to "+rel.printTarget()); |
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672 List<Entity> entityList = this.getEntities(session, rel.getTargetId(), Node.SYS_STATUS_CURRENT_VERSION, rel.getType(), null, false); |
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673 if(entityList.isEmpty()){ |
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674 throw new Exception("Saving entity " + rel.getSourceId() + ", the system found a relation without target. " + rel.toString()); |
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675 } |
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676 Entity target = entityList.get(0); |
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677 rel.setTarget(target); |
| 74 | 678 sb.append(" new "+rel.printTarget()); |
| 57 | 679 // the refresh is logged only if we detect a difference between the relation and the target entity. |
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680 if(targetModifOld != rel.getTargetModif()){ |
| 57 | 681 logger.warn(sb.toString()); |
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682 } |
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683 } |
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684 |
| 57 | 685 /** |
| 686 * Update the source of the relation. | |
| 687 * | |
| 688 * @author jurzua | |
| 689 * | |
| 690 * @param session | |
| 691 * @param rel | |
| 692 * @throws Exception | |
| 693 */ | |
| 694 private void refreshRelationSource(Session session, Relation rel) throws Exception { | |
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695 long sourceModifOld = rel.getSourceModif(); |
| 74 | 696 StringBuilder sb = new StringBuilder("refreshSource of " + rel.toString() + " to "+rel.printSource()); |
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697 List<Entity> entityList = this.getEntities(session, rel.getSourceId(), Node.SYS_STATUS_CURRENT_VERSION, rel.getType(), null, false); |
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698 if(entityList.isEmpty()){ |
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699 throw new Exception("Saving entity " + rel.getTargetId() + ", the system found a relation without source. " + rel.toString()); |
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700 } |
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701 Entity source = entityList.get(0); |
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702 rel.setSource(source); |
| 74 | 703 sb.append(" new "+rel.printSource()); |
| 57 | 704 // the refresh is logged only if we detect a difference between the relation and the source entity. |
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705 if(sourceModifOld != rel.getSourceModif()){ |
| 57 | 706 logger.warn(sb.toString()); |
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707 } |
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708 } |
| 1 | 709 |
| 710 /** | |
| 39 | 711 * Update the entity to prepare it for persistence using the session. |
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712 * |
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713 * If the ID is null new IDs will be assigned for the entity and its |
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714 * attributes and relations. |
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715 * The modification time is propagated from the entity to its |
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716 * attributes and relations. |
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717 * Own-values are normalized. |
| 1 | 718 * |
| 719 * @param session | |
| 720 * @param entity | |
| 721 * @return | |
| 722 */ | |
| 36 | 723 private Entity prepareEntity(Session session, Entity entity, Sequence idSequence) { |
| 1 | 724 |
| 36 | 725 /* |
| 726 * update id | |
| 727 */ | |
| 1 | 728 if (entity.getId() == null) { |
| 729 if (idSequence == null) | |
| 730 entity.setId(this.generateId(session)); | |
| 731 else | |
| 732 entity.setId(idSequence.generateId()); | |
| 733 } | |
| 734 | |
| 36 | 735 /* |
| 736 * update attributes | |
| 737 */ | |
| 1 | 738 for (Attribute att : entity.getAttributes()) { |
| 739 if (att.getId() == null) { | |
| 740 if (idSequence == null) | |
| 741 att.setId(this.generateId(session)); | |
| 742 else | |
| 743 att.setId(idSequence.generateId()); | |
| 744 } | |
| 745 att.setSourceId(entity.getId()); | |
| 746 att.setSourceModif(entity.getModificationTime()); | |
| 747 att.setSourceObjectClass(entity.getObjectClass()); | |
| 748 att.autoNormalize(); | |
| 749 } | |
| 750 | |
| 36 | 751 /* |
| 752 * update source relations | |
| 753 */ | |
| 1 | 754 for (Relation rel : entity.getSourceRelations()) { |
| 755 if (rel.getId() == null) { | |
| 756 if (idSequence == null) | |
| 757 rel.setId(this.generateId(session)); | |
| 758 else | |
| 759 rel.setId(idSequence.generateId()); | |
| 760 } | |
| 761 rel.setSourceId(entity.getId()); | |
| 762 rel.setSourceModif(entity.getModificationTime()); | |
| 763 rel.setSourceObjectClass(entity.getObjectClass()); | |
| 36 | 764 // TODO: update relation target too? |
| 765 rel.autoNormalize(); // TODO: normalize relation? | |
| 766 if(StringUtils.equals(entity.getType(), Node.TYPE_ABOX)) { | |
| 1 | 767 rel.setObjectClass(rel.getOwnValue()); |
| 36 | 768 } else if(StringUtils.equals(entity.getType(), Node.TYPE_TBOX)) { |
| 1 | 769 rel.setObjectClass(Node.TYPE_TBOX); |
| 770 } | |
| 771 | |
| 36 | 772 /* |
| 773 * update attributes for relations | |
| 774 */ | |
| 1 | 775 for (Attribute att : rel.getAttributes()) { |
| 776 if (att.getId() == null) { | |
| 777 if (idSequence == null) | |
| 778 att.setId(this.generateId(session)); | |
| 779 else | |
| 780 att.setId(idSequence.generateId()); | |
| 781 } | |
| 782 att.setSourceId(rel.getId()); | |
| 783 att.setSourceModif(rel.getModificationTime()); | |
| 784 att.setSourceObjectClass(rel.getOwnValue()); | |
| 785 att.autoNormalize(); | |
| 786 } | |
| 787 } | |
| 788 | |
| 36 | 789 /* |
| 790 * update target relations | |
| 791 */ | |
| 1 | 792 for (Relation rel : entity.getTargetRelations()) { |
| 793 if (rel.getId() == null) { | |
| 794 if (idSequence == null) | |
| 795 rel.setId(this.generateId(session)); | |
| 796 else | |
| 797 rel.setId(idSequence.generateId()); | |
| 798 } | |
| 799 rel.setTargetId(entity.getId()); | |
| 800 rel.setTargetModif(entity.getModificationTime()); | |
| 801 rel.setTargetObjectClass(entity.getObjectClass()); | |
| 36 | 802 // TODO: update relation source too? |
| 803 rel.autoNormalize(); // TODO: normalize? | |
| 1 | 804 if(StringUtils.equals(entity.getType(), Node.TYPE_ABOX)){ |
| 805 rel.setObjectClass(rel.getOwnValue()); | |
| 806 }else if(StringUtils.equals(entity.getType(), Node.TYPE_TBOX)){ | |
| 807 rel.setObjectClass(Node.TYPE_TBOX); | |
| 808 } | |
| 36 | 809 /* |
| 810 * update relation attributes | |
| 811 */ | |
| 1 | 812 for (Attribute att : rel.getAttributes()) { |
| 813 if (att.getId() == null) { | |
| 814 if (idSequence == null) | |
| 815 att.setId(this.generateId(session)); | |
| 816 else | |
| 817 att.setId(idSequence.generateId()); | |
| 818 } | |
| 819 att.setSourceId(rel.getId()); | |
| 820 att.setSourceModif(rel.getModificationTime()); | |
| 821 att.setSourceObjectClass(rel.getOwnValue()); | |
| 822 att.autoNormalize(); | |
| 823 } | |
| 824 } | |
| 36 | 825 |
| 826 /* | |
| 827 * update views(?) | |
| 828 */ | |
| 1 | 829 for (View view : entity.getViews()) { |
| 830 if (view.getId() == null) { | |
| 831 if (idSequence == null) | |
| 832 view.setId(this.generateId(session)); | |
| 833 else | |
| 834 view.setId(idSequence.generateId()); | |
| 835 } | |
| 836 view.setSourceId(entity.getId()); | |
| 837 view.setSourceModif(entity.getModificationTime()); | |
| 838 view.setSourceObjectClass(entity.getObjectClass()); | |
| 839 view.autoNormalize(); | |
| 840 } | |
| 36 | 841 |
| 1 | 842 return entity; |
| 843 } | |
| 844 | |
| 845 /** | |
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846 * Set an entities' system state to PREVIOUS_VERSION and persist it. |
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847 * |
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848 * Also persists the entities' attributes and relations. |
| 1 | 849 * |
| 850 * @param session | |
| 851 * @param entity | |
| 852 */ | |
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853 private void persistEntityAsPrevious(Session session, Entity entity) { |
| 1 | 854 entity.setSystemStatus(Node.SYS_STATUS_PREVIOUS_VERSION); |
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855 txLog.debug("* START save previous entity..."); |
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856 txLog.info("save previous entity: "+entity.toEncString()); |
| 1 | 857 session.save(entity); |
| 858 for (Attribute attribute : entity.getAttributes()) { | |
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859 txLog.info("save previous entity attribute: "+attribute.toEncString()); |
| 1 | 860 session.save(attribute); |
| 861 } | |
| 862 for (Relation rel : entity.getSourceRelations()) { | |
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863 txLog.info("save previous source relation: "+rel.toEncString()); |
| 1 | 864 session.save(rel); |
| 865 for (Attribute att : rel.getAttributes()) { | |
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866 txLog.info("save previous source relation attribute: "+att.toEncString()); |
| 1 | 867 session.save(att); |
| 868 } | |
| 869 } | |
| 870 for (Relation rel : entity.getTargetRelations()) { | |
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871 txLog.info("save previous target relation: "+rel.toEncString()); |
| 1 | 872 session.save(rel); |
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873 for (Attribute att : rel.getAttributes()) { |
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874 txLog.info("save previous target relation attribute: "+att.toEncString()); |
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875 session.save(att); |
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876 } |
| 1 | 877 } |
| 878 for (View view : entity.getViews()) { | |
| 879 session.save(view); | |
| 880 } | |
| 36 | 881 txLog.debug("* END ...save previous entity"); |
| 1 | 882 } |
| 883 | |
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884 /** |
| 39 | 885 * Persist a (current) entity and its attributes and relations using the session. |
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886 * |
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887 * @param session |
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888 * @param entity |
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889 * @throws Exception |
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890 */ |
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891 private void persistEntity(Session session, Entity entity) throws Exception { |
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892 txLog.info("* START save entity..."); |
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893 txLog.info("save entity: "+entity.toEncString()); |
| 1 | 894 session.save(entity); |
| 895 for (Attribute attribute : entity.getAttributes()) { | |
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896 txLog.info("save entity attribute: "+attribute.toEncString()); |
| 1 | 897 session.save(attribute); |
| 898 } | |
| 899 for (Relation rel : entity.getSourceRelations()) { | |
| 900 rel.setSource(entity); | |
| 901 if (rel.getSourceId() == null || rel.getTargetId() == null) { | |
| 902 throw new IllegalStateException( | |
| 903 "Either the sourceId or the targetId was not initialized to the source relation: " | |
| 904 + rel.getOwnValue()); | |
| 905 } | |
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906 txLog.info("save source relation: "+rel.toEncString()); |
| 1 | 907 session.save(rel); |
| 908 for (Attribute att : rel.getAttributes()) { | |
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909 txLog.info("save source relation attribute: "+att.toEncString()); |
| 1 | 910 session.save(att); |
| 911 } | |
| 912 } | |
| 913 for (Relation rel : entity.getTargetRelations()) { | |
| 914 rel.setTarget(entity); | |
| 915 if (rel.getSourceId() == null || rel.getTargetId() == null) { | |
| 916 throw new IllegalStateException( | |
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917 "Either the sourceId or the targetId was not initialized to the target relation: " |
| 1 | 918 + rel.getOwnValue()); |
| 919 } | |
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920 txLog.info("save target relation: "+rel.toEncString()); |
| 1 | 921 session.save(rel); |
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922 for (Attribute att : rel.getAttributes()) { |
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923 txLog.info("save target relation attribute: "+att.toEncString()); |
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924 session.save(att); |
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925 } |
| 1 | 926 } |
| 927 | |
| 928 // Call of ownValue Generator. | |
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929 if (!isImportMode()) { |
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930 String ownValue = this.getOwnValueGenerator().generateOwnValue(entity, session); |
| 1 | 931 if (StringUtils.isNotEmpty(ownValue)) { |
| 932 entity.setOwnValue(ownValue); | |
| 933 entity.autoNormalize(); | |
| 36 | 934 txLog.info("save entity (new ov): "+entity.toEncString()); |
| 1 | 935 session.save(entity); |
| 936 } | |
| 937 } | |
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938 txLog.debug("* ...END save entity"); |
| 1 | 939 } |
| 940 | |
| 941 public OwnValueGenerator getOwnValueGenerator() { | |
| 942 return ownValueGenerator; | |
| 943 } | |
| 944 | |
| 945 public void setOwnValueGenerator(OwnValueGenerator ownValueGenerator) { | |
| 946 this.ownValueGenerator = ownValueGenerator; | |
| 947 } | |
| 948 | |
| 949 /** | |
| 39 | 950 * Returns entities with their content from the database using the session. |
| 36 | 951 * |
| 952 * If a parameter is null then the condition is omitted from the query | |
| 953 * returning all entities matching the remaining conditions. | |
| 1 | 954 * |
| 955 * @param session | |
| 956 * @param id | |
| 957 * @param systemStatus | |
| 958 * @param type | |
| 959 * @param ownValue | |
| 36 | 960 * @param considerTimeModif |
| 1 | 961 * @return |
| 962 */ | |
| 963 private List<Entity> getEntities(Session session, Long id, | |
| 964 String systemStatus, String type, String ownValue, boolean considerTimeModif) { | |
| 965 | |
| 39 | 966 if (!(systemStatus.equals(Node.SYS_STATUS_PREVIOUS_VERSION) |
| 967 || systemStatus.equals(Node.SYS_STATUS_CURRENT_VERSION))) { | |
| 968 throw new IllegalArgumentException("Invalid input systemStatus: " + systemStatus); | |
| 969 } | |
| 1 | 970 |
| 971 if (StringUtils.isNotEmpty(type) | |
| 972 && !(type.equals(Node.TYPE_ABOX) || type.equals(Node.TYPE_TBOX))) { | |
| 973 throw new IllegalArgumentException("Invalid input type: " + type); | |
| 974 } | |
| 975 | |
| 976 List<Entity> entities; | |
| 977 | |
| 978 String hqlEntities = "from Entity where systemStatus = :systemStatus"; | |
| 979 | |
| 980 if (StringUtils.isNotEmpty(type)) { | |
| 981 hqlEntities += " AND type = :type"; | |
| 982 } | |
| 983 | |
| 984 if (id != null) { | |
| 985 hqlEntities += " AND id = :id"; | |
| 986 } | |
| 987 | |
| 988 if (StringUtils.isNotEmpty(ownValue)) { | |
| 989 hqlEntities += " AND ownValue = :ownValue"; | |
| 990 } | |
| 991 | |
| 992 Query queryEntities = session.createQuery(hqlEntities); | |
| 993 queryEntities.setString("systemStatus", systemStatus); | |
| 994 | |
| 995 if (StringUtils.isNotEmpty(type)) { | |
| 996 queryEntities.setString("type", type); | |
| 997 } | |
| 998 | |
| 999 if (StringUtils.isNotEmpty(ownValue)) { | |
| 1000 queryEntities.setString("ownValue", ownValue); | |
| 1001 } | |
| 1002 | |
| 1003 if (id != null) { | |
| 1004 queryEntities.setLong("id", id); | |
| 1005 } | |
| 1006 entities = queryEntities.list(); | |
| 1007 | |
| 1008 for (Entity entity : entities) { | |
| 1009 entity.setLightweight(true); | |
| 1010 entity = this.getEntityContent(session, entity, considerTimeModif); | |
| 1011 } | |
| 1012 | |
| 1013 return entities; | |
| 1014 } | |
| 1015 | |
| 1016 /** | |
| 39 | 1017 * Returns entities with their content from the database. |
| 1 | 1018 * |
| 36 | 1019 * If a parameter is null then the condition is omitted from the query |
| 1020 * returning all entities matching the remaining conditions. | |
| 1021 * | |
| 1 | 1022 * @param id |
| 1023 * @param systemStatus | |
| 1024 * @param type | |
| 1025 * @param ownValue | |
| 1026 * @return | |
| 1027 */ | |
| 36 | 1028 public List<Entity> getEntities(Long id, String systemStatus, String type, String ownValue) { |
| 1029 // logger.debug("GET ENTITIES Entities [id=" + id + ", type=" + type + ", ownValue=" + ownValue + "]"); | |
| 1 | 1030 |
| 1031 if (!(systemStatus.equals(Node.SYS_STATUS_PREVIOUS_VERSION) || systemStatus | |
| 1032 .equals(Node.SYS_STATUS_CURRENT_VERSION))) { | |
| 1033 throw new IllegalArgumentException("Invalid input systemStatus: " | |
| 1034 + systemStatus); | |
| 1035 } | |
| 1036 | |
| 1037 if (StringUtils.isNotEmpty(type) | |
| 1038 && !(type.equals(Node.TYPE_ABOX) || type.equals(Node.TYPE_TBOX))) { | |
| 1039 throw new IllegalArgumentException("Invalid input type: " + type); | |
| 1040 } | |
| 1041 | |
| 1042 List<Entity> entities = null; | |
| 1043 Session session = null; | |
| 1044 try { | |
| 36 | 1045 //long start = System.currentTimeMillis(); |
| 1 | 1046 session = HibernateUtil.getSessionFactory().getCurrentSession(); |
| 1047 session.getTransaction().begin(); | |
| 1048 | |
| 36 | 1049 entities = this.getEntities(session, id, systemStatus, type, ownValue, true); |
| 1 | 1050 |
| 36 | 1051 /* long dif = System.currentTimeMillis() - start; |
| 1 | 1052 String s = "Found=\n"; |
| 1053 for (Entity e : entities) { | |
| 1054 s += e.toString() + "\n"; | |
| 1055 } | |
| 1056 s += "time used= " + dif + "[ms]\n\n"; | |
| 36 | 1057 logger.debug(s); */ |
| 1 | 1058 |
| 1059 } catch (Exception e) { | |
| 1060 logger.error(e.getMessage(), e); | |
| 1061 // e.printStackTrace(); | |
| 1062 } finally { | |
| 1063 session.getTransaction().commit(); | |
| 1064 } | |
| 1065 return entities; | |
| 1066 } | |
| 1067 | |
| 1068 private String whereUpdate(String where) { | |
| 1069 if (StringUtils.isEmpty(where)) | |
| 1070 where = " where "; | |
| 1071 else | |
| 1072 where += " AND "; | |
| 1073 return where; | |
| 1074 } | |
| 1075 | |
| 36 | 1076 /** |
| 1077 * Returns a list of Nodes. | |
| 1078 * | |
| 1079 * If a parameter is null then the condition is omitted from the query | |
| 1080 * returning all entities matching the remaining conditions. | |
| 1081 * | |
| 1082 * @param session | |
| 1083 * @param id | |
| 1084 * @param systemStatus | |
| 1085 * @param sourceId | |
| 1086 * @param srcModif | |
| 1087 * @param targetId | |
| 1088 * @param tarModif | |
| 1089 * @return | |
| 1090 */ | |
| 1 | 1091 public List<Node> getNodes(Session session, Long id, String systemStatus, |
| 1092 Long sourceId, Long srcModif, Long targetId, Long tarModif) { | |
| 1093 List<Node> nodes = null; | |
| 1094 | |
| 36 | 1095 /* |
| 1096 * create HQL query string | |
| 1097 */ | |
| 1 | 1098 String from = "from Node "; |
| 1099 String where = ""; | |
| 1100 | |
| 1101 if (id != null) { | |
| 1102 where = this.whereUpdate(where); | |
| 1103 where += " id = :id "; | |
| 36 | 1104 } |
| 1 | 1105 |
| 1106 if (StringUtils.isNotEmpty(systemStatus)) { | |
| 1107 where = this.whereUpdate(where); | |
| 1108 where += " systemStatus = :systemStatus "; | |
| 1109 } | |
| 36 | 1110 |
| 1 | 1111 if (sourceId != null) { |
| 1112 where = this.whereUpdate(where); | |
| 1113 where += " sourceId = :sourceId "; | |
| 1114 } | |
| 36 | 1115 |
| 1 | 1116 if (srcModif != null) { |
| 1117 where = this.whereUpdate(where); | |
| 1118 where += " sourceModif = :sourceModif "; | |
| 1119 } | |
| 1120 | |
| 1121 if (targetId != null) { | |
| 1122 where = this.whereUpdate(where); | |
| 1123 where += " targetId = :targetId "; | |
| 1124 } | |
| 36 | 1125 |
| 1 | 1126 if (tarModif != null) { |
| 1127 where = this.whereUpdate(where); | |
| 1128 where += " targetModif = :targetModif "; | |
| 1129 } | |
| 1130 | |
| 1131 String hql = from + where; | |
| 36 | 1132 // create query object |
| 1 | 1133 Query query = session.createQuery(hql); |
| 1134 | |
| 36 | 1135 /* |
| 1136 * add query parameters | |
| 1137 */ | |
| 1 | 1138 if (id != null) |
| 1139 query.setLong("id", id); | |
| 36 | 1140 |
| 1 | 1141 if (StringUtils.isNotEmpty(systemStatus)) |
| 1142 query.setString("systemStatus", systemStatus); | |
| 1143 | |
| 1144 if (sourceId != null) | |
| 1145 query.setLong("sourceId", sourceId); | |
| 36 | 1146 |
| 1 | 1147 if (srcModif != null) |
| 1148 query.setLong("sourceModif", srcModif); | |
| 1149 | |
| 1150 if (targetId != null) | |
| 1151 query.setLong("targetId", targetId); | |
| 36 | 1152 |
| 1 | 1153 if (tarModif != null) |
| 1154 query.setLong("targetModif", tarModif); | |
| 1155 | |
| 36 | 1156 /* |
| 1157 * run the query | |
| 1158 */ | |
| 1 | 1159 nodes = query.list(); |
| 1160 | |
| 1161 return nodes; | |
| 1162 } | |
| 1163 | |
| 36 | 1164 /** |
| 1165 * Populate a lightweight entity with attributes and relations. | |
| 1166 * | |
| 1167 * @param session | |
| 1168 * @param entity | |
| 1169 * @param considerTimeModif | |
| 1170 * @return | |
| 1171 */ | |
| 1 | 1172 private Entity getEntityContent(Session session, Entity entity, boolean considerTimeModif) { |
| 1173 if (entity != null && entity.isLightweight()) { | |
| 1174 entity.setLightweight(false); | |
| 1175 entity.setAttributes(new ArrayList<Attribute>()); | |
| 1176 entity.setSourceRelations(new ArrayList<Relation>()); | |
| 1177 entity.setTargetRelations(new ArrayList<Relation>()); | |
| 1178 | |
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1179 /* |
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1180 * Danger: getNodes finds all attributes in the db and tries to attach them to |
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1181 * this entity if id=null! |
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1182 */ |
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1183 if (entity.getId() == null) { |
| 27 | 1184 logger.error("Entity with id=null! Abort loading attributes."); |
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1185 return entity; |
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1186 } |
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1187 |
| 36 | 1188 /* |
| 1189 * get all nodes with source_id = entity.id | |
| 1190 * i.e. Attributes and SourceRelations. | |
| 1191 */ | |
|
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1192 List<Node> nodes = null; |
| 36 | 1193 if (considerTimeModif) { |
| 1 | 1194 nodes = this.getNodes(session, null, |
| 1195 entity.getSystemStatus(), entity.getId(), | |
| 1196 entity.getModificationTime(), null, null); | |
| 36 | 1197 } else { |
| 1 | 1198 nodes = this.getNodes(session, null, |
| 1199 entity.getSystemStatus(), entity.getId(), | |
| 1200 null, null, null); | |
| 1201 } | |
| 1202 | |
| 36 | 1203 /* |
| 1204 * add Attributes and SourceRelations | |
| 1205 */ | |
| 1 | 1206 for (Node node : nodes) { |
| 1207 if (node instanceof Attribute) { | |
| 1208 entity.addAttribute((Attribute) node); | |
| 36 | 1209 |
| 1 | 1210 } else if (node instanceof Relation) { |
| 1211 Relation rel = (Relation) node; | |
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1212 /* |
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1213 * Danger: getNodes finds all attributes in the db and tries to attach them to |
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1214 * this relation if id=null! |
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1215 */ |
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1216 if (rel.getId() == null) { |
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1217 logger.error("Relation with id=null! Abort loading attributes."); |
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1218 continue; |
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1219 } |
| 36 | 1220 /* |
| 1221 * get all nodes with source_id = rel.id | |
| 1222 * i.e. relation Attributes | |
| 1223 */ | |
| 1 | 1224 List<Node> attrs = this.getNodes(session, null, |
| 1225 rel.getSystemStatus(), rel.getId(), | |
| 1226 rel.getModificationTime(), null, null); | |
| 1227 for (Node attNode : attrs) { | |
| 1228 if (attNode instanceof Attribute) { | |
| 1229 rel.addAttribute((Attribute) attNode); | |
| 1230 } | |
| 1231 } | |
| 36 | 1232 // TODO: ??? |
| 1233 if (considerTimeModif) { | |
| 1 | 1234 entity.addSourceRelation(rel); |
| 36 | 1235 } else { |
| 1 | 1236 entity.getSourceRelations().add(rel); |
| 1237 } | |
| 36 | 1238 |
| 1 | 1239 } else if (node instanceof View) { |
| 1240 entity.getViews().add((View) node); | |
| 36 | 1241 |
| 1 | 1242 } else { |
|
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1243 throw new IllegalArgumentException("Invalid node found: " + node); |
| 1 | 1244 } |
| 1245 } | |
| 1246 | |
| 36 | 1247 /* |
| 1248 * get all nodes with target_id = entity.id | |
| 1249 * i.e. TargetRelations | |
| 1250 */ | |
| 1 | 1251 List<Node> tarRels = null; |
| 1252 | |
| 36 | 1253 if (considerTimeModif) { |
| 1 | 1254 tarRels = this.getNodes(session, null, |
| 1255 entity.getSystemStatus(), null, null, entity.getId(), | |
| 1256 entity.getModificationTime()); | |
| 36 | 1257 } else { |
| 1 | 1258 tarRels = this.getNodes(session, null, |
| 1259 entity.getSystemStatus(), null, null, entity.getId(), | |
| 1260 null); | |
| 1261 } | |
| 1262 | |
| 36 | 1263 /* |
| 1264 * add TargetRelations | |
| 1265 */ | |
| 1 | 1266 for (Node node : tarRels) { |
| 1267 if (node instanceof Relation) { | |
| 1268 Relation rel = (Relation) node; | |
|
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1269 /* |
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1270 * Danger: getNodes finds all attributes in the db and tries to attach them to |
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1271 * this relation if id=null! |
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1272 */ |
|
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1273 if (rel.getId() == null) { |
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1274 logger.error("Relation with id=null! Abort loading attributes."); |
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1275 continue; |
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1276 } |
| 36 | 1277 /* |
| 1278 * get all nodes with source_id = rel.id | |
| 1279 * i.e. relation Attributes | |
| 1280 */ | |
| 1 | 1281 List<Node> attrs = this.getNodes(session, null, |
| 1282 rel.getSystemStatus(), rel.getId(), | |
| 1283 rel.getModificationTime(), null, null); | |
| 1284 for (Node attNode : attrs) { | |
| 1285 if (attNode instanceof Attribute) { | |
| 1286 rel.addAttribute((Attribute) attNode); | |
| 1287 } | |
| 1288 } | |
| 36 | 1289 // TODO: ??? |
| 1290 if (considerTimeModif) { | |
| 1 | 1291 entity.addTargetRelation(rel); |
| 36 | 1292 } else { |
| 1 | 1293 entity.getTargetRelations().add(rel); |
| 1294 } | |
| 36 | 1295 |
| 1 | 1296 } else { |
| 36 | 1297 throw new IllegalArgumentException("Invalid node found: " + node); |
| 1 | 1298 } |
| 1299 } | |
| 1300 } | |
| 1301 return entity; | |
| 1302 } | |
| 1303 | |
| 36 | 1304 /** |
| 1305 * Populate a lightweight entity with attributes and relations. | |
| 1306 * | |
| 1307 * @param entity | |
| 1308 * @return | |
| 1309 */ | |
| 1310 public Entity getEntityContent(Entity entity) { | |
| 1311 if (entity != null && entity.isLightweight()) { | |
| 1312 Session session = null; | |
| 1313 try { | |
| 1314 /* logger.debug("GET ENTITY CONTENT [objClass=" + entity.getObjectClass() + ", id=" + entity.getId() | |
| 1315 + ", ownValue=" + entity.getOwnValue() + "]"); */ | |
| 1316 //long start = System.currentTimeMillis(); | |
| 1317 | |
| 1318 // start transaction | |
| 1319 session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 1320 session.getTransaction().begin(); | |
| 1321 // get entity content | |
| 1322 entity = this.getEntityContent(session, entity, true); | |
| 1323 | |
| 1324 /* long diff = System.currentTimeMillis() - start; | |
| 1325 logger.debug("Time to get content=" + diff + "(s)"); */ | |
| 1326 } catch (Exception e) { | |
| 1327 logger.error(e.getMessage(), e); | |
| 1328 } finally { | |
| 1329 session.getTransaction().commit(); | |
| 1330 } | |
| 1331 } | |
| 1332 return entity; | |
| 1333 } | |
| 1 | 1334 |
| 36 | 1335 public List<String> getObjecClassSuggestion(String objectClass, Class nodeClass, int maxResults) { |
| 1 | 1336 objectClass += "%"; |
| 1337 try { | |
| 1338 | |
| 1339 List<String> suggestions = new ArrayList<String>(); | |
| 1340 Session session = HibernateUtil.getSessionFactory() | |
| 1341 .getCurrentSession(); | |
| 1342 session.getTransaction().begin(); | |
| 1343 String hql = "from "; | |
| 1344 if (nodeClass.equals(Entity.class)) { | |
| 1345 hql += "Entity "; | |
| 1346 } | |
| 1347 if (nodeClass.equals(Relation.class)) { | |
| 1348 hql += "Relation "; | |
| 1349 } | |
| 1350 if (nodeClass.equals(Attribute.class)) { | |
| 1351 hql += "Attribute "; | |
| 1352 } | |
| 1353 if (nodeClass.equals(Node.class)) { | |
| 1354 hql += "Node "; | |
| 1355 } | |
| 1356 if (nodeClass.equals(View.class)) { | |
| 1357 hql += "View "; | |
| 1358 } | |
| 1359 hql += " where objectClass like :objectClass " | |
| 1360 + "group by objectClass"; | |
| 1361 | |
| 1362 Query query = session.createQuery(hql); | |
| 1363 query.setString("objectClass", objectClass); | |
| 1364 query.setMaxResults(maxResults); | |
| 1365 List<Node> list = query.list(); | |
| 1366 for (Node node : list) { | |
| 1367 suggestions.add(node.getObjectClass()); | |
| 1368 } | |
| 1369 return suggestions; | |
| 1370 | |
| 1371 } catch (Exception e) { | |
| 1372 logger.error(e.getMessage(), e); | |
| 1373 // e.printStackTrace(); | |
| 1374 } | |
| 1375 return null; | |
| 1376 } | |
| 1377 | |
| 36 | 1378 public List<String> getOwnValueSuggestion(String ownValue, Class nodeClass, int maxResults) { |
| 1 | 1379 ownValue += "%"; |
| 1380 try { | |
| 1381 | |
| 1382 List<String> suggestions = new ArrayList<String>(); | |
| 1383 Session session = HibernateUtil.getSessionFactory() | |
| 1384 .getCurrentSession(); | |
| 1385 session.getTransaction().begin(); | |
| 1386 String hql = "from "; | |
| 1387 if (nodeClass.equals(Entity.class)) { | |
| 1388 hql += "Entity "; | |
| 1389 } | |
| 1390 if (nodeClass.equals(Relation.class)) { | |
| 1391 hql += "Relation "; | |
| 1392 } | |
| 1393 if (nodeClass.equals(Attribute.class)) { | |
| 1394 hql += "Attribute "; | |
| 1395 } | |
| 1396 if (nodeClass.equals(Node.class)) { | |
| 1397 hql += "Node "; | |
| 1398 } | |
| 1399 if (nodeClass.equals(View.class)) { | |
| 1400 hql += "View "; | |
| 1401 } | |
| 1402 hql += " where ownValue like :ownValue " + "group by ownValue"; | |
| 1403 | |
| 1404 Query query = session.createQuery(hql); | |
| 1405 query.setString("ownValue", ownValue); | |
| 1406 query.setMaxResults(maxResults); | |
| 1407 List<Node> list = query.list(); | |
| 1408 for (Node node : list) { | |
| 1409 suggestions.add(node.getOwnValue()); | |
| 1410 } | |
| 1411 return suggestions; | |
| 1412 | |
| 1413 } catch (Exception e) { | |
| 1414 logger.error(e.getMessage(), e); | |
| 1415 // e.printStackTrace(); | |
| 1416 } | |
| 1417 return null; | |
| 1418 } | |
| 1419 | |
| 1420 public Entity loadEntitiesForTargetRelation(Entity entity) { | |
| 1421 try { | |
| 1422 // where parent_id = :parent_id AND type = :type | |
| 1423 Session session = HibernateUtil.getSessionFactory() | |
| 1424 .getCurrentSession(); | |
| 1425 session.getTransaction().begin(); | |
| 1426 | |
| 1427 for (Relation rel : entity.getTargetRelations()) { | |
| 1428 List<Entity> entities = this.getEntities(session, | |
| 1429 rel.getSourceId(), Node.SYS_STATUS_CURRENT_VERSION, | |
| 1430 null, null, true); | |
| 1431 if (entities.size() > 0) { | |
| 1432 Entity source = entities.get(0); | |
| 1433 rel.setSource(source); | |
| 1434 } | |
| 1435 } | |
| 1436 | |
| 1437 session.getTransaction().commit(); | |
| 1438 return entity; | |
| 1439 } catch (Exception e) { | |
| 1440 logger.error(e.getMessage(), e); | |
| 1441 // e.printStackTrace(); | |
| 1442 } | |
| 1443 return entity; | |
| 1444 } | |
| 1445 | |
| 1446 /** | |
| 39 | 1447 * Return all (lightweight) entities matching the query. |
| 1448 * | |
| 1449 * Any parameter that is null is omitted as a query condition matching | |
| 1450 * all values in this parameter. | |
| 1451 * | |
| 1452 * Own value is searched as substring if ownValueSubString=true. | |
| 1453 * | |
| 1454 * @param session | |
| 1 | 1455 * @param systemStatus |
| 1456 * @param id | |
| 1457 * @param type | |
| 1458 * @param objectClass | |
| 1459 * @param ownValue | |
| 39 | 1460 * @param ownValueSubString |
| 1 | 1461 * @param maxResult |
| 1462 * @return | |
| 1463 */ | |
| 39 | 1464 protected List<Entity> getLightweightEntities(Session session, String systemStatus, Long id, String type, |
| 1465 String objectClass, String ownValue, boolean ownValueSubString, int maxResult) { | |
| 1466 | |
| 1467 /* | |
| 1468 * build query string | |
| 1469 */ | |
| 1470 String hqlEntities = "from Entity where "; | |
| 1471 if (StringUtils.isNotEmpty(ownValue)) { | |
| 1472 if (ownValueSubString) | |
| 1473 hqlEntities += "ownValue like :ownValue AND "; | |
| 1474 else | |
| 1475 hqlEntities += "ownValue = :ownValue AND "; | |
| 1476 } | |
| 1477 if (id != null) { | |
| 1478 hqlEntities += "id = :id AND "; | |
| 1479 } | |
| 1480 if (StringUtils.isNotEmpty(objectClass)) { | |
| 1481 hqlEntities += "objectClass = :objectClass AND "; | |
| 1482 } | |
| 1483 if (StringUtils.isNotEmpty(type)) { | |
| 1484 hqlEntities += "type = :type AND "; | |
| 1485 } | |
| 1 | 1486 |
| 39 | 1487 hqlEntities += "systemStatus = :systemStatus "; |
| 1488 | |
| 1489 /* | |
| 1490 * create query object | |
| 1491 */ | |
| 1492 Query queryEntities = session.createQuery(hqlEntities); | |
| 1493 | |
| 1494 /* | |
| 1495 * add query parameters | |
| 1496 */ | |
| 1497 queryEntities.setString("systemStatus", systemStatus); | |
| 1498 if (StringUtils.isNotEmpty(ownValue)) { | |
| 1499 if (ownValueSubString) { | |
| 1500 // substring search | |
| 1501 queryEntities.setString("ownValue", "%" + ownValue + "%"); | |
| 1502 //logger.debug("ownValue=%" + ownValue + "%"); | |
| 1503 } else { | |
| 1504 queryEntities.setString("ownValue", ownValue); | |
| 1505 //logger.debug("ownValue=" + ownValue); | |
| 1506 } | |
| 1507 } | |
| 1508 if (maxResult > 0) { | |
| 1509 queryEntities.setMaxResults(maxResult); | |
| 1510 } | |
| 1 | 1511 |
| 39 | 1512 if (StringUtils.isNotEmpty(type)) { |
| 1513 queryEntities.setString("type", type); | |
| 1514 } | |
| 1515 if (id != null) { | |
| 1516 queryEntities.setLong("id", id); | |
| 1517 } | |
| 1518 if (StringUtils.isNotEmpty(objectClass)) { | |
| 1519 queryEntities.setString("objectClass", objectClass); | |
| 1520 } | |
| 1521 | |
| 1522 /* | |
| 1523 * run query and return results | |
| 1524 */ | |
| 1525 List<Entity> entities = queryEntities.list(); | |
| 1 | 1526 |
| 39 | 1527 for (Entity ent : entities) { |
| 1528 ent.setLightweight(true); | |
| 1529 } | |
| 1530 | |
| 1531 return entities; | |
| 1532 } | |
| 1 | 1533 |
| 39 | 1534 /** |
| 1535 * Return all (lightweight) entities matching the query. | |
| 1536 * | |
| 1537 * Any parameter that is null is omitted as a query condition matching | |
| 1538 * all values in this parameter. | |
| 1539 * | |
| 1540 * Own value is searched as substring if ownValueSubString=true. | |
| 1541 * | |
| 1542 * @param systemStatus | |
| 1543 * @param id | |
| 1544 * @param type | |
| 1545 * @param objectClass | |
| 1546 * @param ownValue | |
| 1547 * @param ownValueSubString | |
| 1548 * @param maxResult | |
| 1549 * @return | |
| 1550 */ | |
| 1551 public List<Entity> getLightweightEntities(String systemStatus, Long id, String type, String objectClass, | |
| 1552 String ownValue, boolean ownValueSubString, int maxResult) { | |
| 62 | 1553 //logger.debug("GET LW ENTITIES [type=" + type + " id=" + id + ", objectClass=" + objectClass + ", ownValue=" |
| 1554 // + ownValue + "]"); | |
| 1 | 1555 |
| 39 | 1556 List<Entity> entities = new ArrayList<Entity>(); |
| 1557 /* | |
| 1558 * check inputs | |
| 1559 */ | |
| 1560 if (!(systemStatus.equals(Node.SYS_STATUS_PREVIOUS_VERSION) | |
| 1561 || systemStatus.equals(Node.SYS_STATUS_CURRENT_VERSION))) { | |
| 1562 throw new IllegalArgumentException("Invalid input systemStatus: " + systemStatus); | |
| 1563 } | |
| 1564 if (StringUtils.isNotEmpty(type) && !(type.equals(Node.TYPE_ABOX) || type.equals(Node.TYPE_TBOX))) { | |
| 1565 throw new IllegalArgumentException("Invalid input type: " + type); | |
| 1566 } | |
| 1567 | |
| 1568 /* | |
| 1569 * call getLightweightEntities with transaction | |
| 1570 */ | |
| 1571 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 1572 try { | |
| 1573 session.getTransaction().begin(); | |
| 1574 | |
| 1575 entities = this.getLightweightEntities(session, systemStatus, id, type, objectClass, ownValue, | |
| 1576 ownValueSubString, maxResult); | |
| 1577 | |
| 1578 } catch (Exception e) { | |
| 1579 logger.error(e); | |
| 1580 } finally { | |
| 1581 session.getTransaction().commit(); | |
| 1582 } | |
| 1583 return entities; | |
| 1584 } | |
| 1 | 1585 |
| 1586 private Sequence getIdSequence(Session session) { | |
| 1587 Sequence sequence = null; | |
| 1588 String hqlJoin = "from Sequence where name = :name"; | |
| 1589 Query query = session.createQuery(hqlJoin); | |
| 1590 query.setString("name", NODE_SEQUENCE); | |
| 1591 List<Sequence> sequences = query.list(); | |
| 1592 if (sequences.size() > 0) | |
| 1593 sequence = sequences.get(0); | |
| 1594 if (sequence == null) { | |
| 1595 sequence = new Sequence(NODE_SEQUENCE, new Long(0)); | |
| 1596 } | |
| 1597 return sequence; | |
| 1598 } | |
| 1599 | |
| 1600 protected Long generateId(Session session) { | |
| 1601 Long id = null; | |
| 1602 Sequence sequence = null; | |
| 1603 String hqlJoin = "from Sequence where name = :name"; | |
| 1604 Query query = session.createQuery(hqlJoin); | |
| 1605 query.setString("name", NODE_SEQUENCE); | |
| 1606 List<Sequence> sequences = query.list(); | |
| 1607 if (sequences.size() > 0) { | |
| 1608 sequence = sequences.get(0); | |
| 1609 } else { | |
| 1610 sequence = new Sequence(NODE_SEQUENCE, new Long(0)); | |
| 1611 } | |
| 1612 id = sequence.generateId(); | |
| 1613 session.save(sequence); | |
| 1614 return id; | |
| 1615 } | |
| 1616 | |
| 1617 public ConfigurationService getConfigurationService() { | |
| 1618 return configurationService; | |
| 1619 } | |
| 1620 | |
| 1621 public void setConfigurationService( | |
| 1622 ConfigurationService configurationService) { | |
| 1623 this.configurationService = configurationService; | |
| 1624 } | |
| 1625 | |
|
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1626 public boolean isImportMode() { |
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1627 return importMode; |
| 1 | 1628 } |
| 1629 | |
| 1630 public void setImportModus(boolean importModus) { | |
|
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1631 this.importMode = importModus; |
| 1 | 1632 } |
| 1633 | |
| 38 | 1634 /** |
| 1635 * Returns all definition relations. | |
| 1636 * | |
| 1637 * @return | |
| 1638 * @throws Exception | |
| 1639 */ | |
| 1 | 1640 public List<Relation> getDefRelations() { |
| 1641 List<Relation> list = new ArrayList<Relation>(); | |
| 1642 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 1643 try { | |
| 1644 session.getTransaction().begin(); | |
| 1645 | |
| 1646 String hql = "from Relation where systemStatus = :systemStatus and type = :type"; | |
| 1647 Query query = session.createQuery(hql); | |
| 1648 | |
| 1649 query.setString("systemStatus", Node.SYS_STATUS_CURRENT_VERSION); | |
| 1650 query.setString("type", Node.TYPE_TBOX); | |
| 1651 | |
| 1652 list = query.list(); | |
| 1653 } catch (Exception e) { | |
| 38 | 1654 logger.error(e); |
| 1 | 1655 } finally { |
| 1656 session.getTransaction().commit(); | |
| 1657 } | |
| 1658 return list; | |
| 1659 } | |
| 1660 | |
| 38 | 1661 /** |
| 1662 * Returns all definition attributes. | |
| 1663 * | |
| 1664 * @return | |
| 1665 * @throws Exception | |
| 1666 */ | |
| 1 | 1667 public List<Attribute> getDefAttributes() { |
| 1668 List<Attribute> list = new ArrayList<Attribute>(); | |
| 1669 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 1670 try { | |
| 1671 session.getTransaction().begin(); | |
| 1672 | |
| 1673 String hql = "from Attribute where systemStatus = :systemStatus and type = :type"; | |
| 1674 Query query = session.createQuery(hql); | |
| 1675 | |
| 1676 query.setString("systemStatus", Node.SYS_STATUS_CURRENT_VERSION); | |
| 1677 query.setString("type", Node.TYPE_TBOX); | |
| 1678 | |
| 1679 list = query.list(); | |
| 1680 | |
| 1681 } catch (Exception e) { | |
| 38 | 1682 logger.error(e); |
| 1 | 1683 } finally { |
| 1684 session.getTransaction().commit(); | |
| 1685 } | |
| 1686 return list; | |
| 1687 } | |
| 1688 | |
| 38 | 1689 /** |
| 1690 * Returns all (lightweight) definition entities. | |
| 1691 * | |
| 1692 * @return | |
| 1693 * @throws Exception | |
| 1694 */ | |
| 1695 public List<Entity> getLWDefinitions() throws Exception { | |
| 1696 List<Entity> list = new ArrayList<Entity>(); | |
| 1697 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); | |
| 1698 try { | |
| 1699 session.getTransaction().begin(); | |
| 1 | 1700 |
| 38 | 1701 String hql = "from Entity where systemStatus = :systemStatus and type = :type"; |
| 1702 Query query = session.createQuery(hql); | |
| 1 | 1703 |
| 38 | 1704 query.setString("systemStatus", Node.SYS_STATUS_CURRENT_VERSION); |
| 1705 query.setString("type", Node.TYPE_TBOX); | |
| 1 | 1706 |
| 38 | 1707 list = query.list(); |
| 1708 for (Entity def : list) { | |
| 1709 def.setLightweight(true); | |
| 1710 } | |
| 1711 } catch (Exception e) { | |
| 1712 logger.error(e); | |
| 1713 } finally { | |
| 1714 session.getTransaction().commit(); | |
| 1715 } | |
| 1 | 1716 |
| 38 | 1717 return list; |
| 1718 } | |
| 1 | 1719 |
| 1720 // ################################################################# | |
| 1721 // ################################################################# | |
| 1722 // ################################################################# | |
| 1723 | |
| 75 | 1724 /** |
| 1725 * Returns the number of Entities of the given objectClass in the database. | |
| 1726 * | |
| 1727 * Returns the number of all Entities if objectClass==null. | |
| 1728 * | |
| 1729 * @param objectClass | |
| 1730 * @return | |
| 1731 */ | |
| 1 | 1732 public Long getEntityCount(String objectClass) { |
| 1733 Long count = null; | |
| 1734 try { | |
| 75 | 1735 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); |
| 1 | 1736 session.getTransaction().begin(); |
| 1737 | |
| 1738 String hql = "select count(*) from Entity where "; | |
| 1739 | |
| 1740 if (StringUtils.isNotEmpty(objectClass)) { | |
| 1741 hql += "objectClass = :objectClass AND "; | |
| 1742 } else { | |
| 1743 hql += "objectClass != :objectClass AND "; | |
| 1744 } | |
| 1745 hql += "systemStatus = :systemStatus "; | |
| 1746 | |
| 1747 Query query = session.createQuery(hql); | |
| 1748 query.setString("systemStatus", Node.SYS_STATUS_CURRENT_VERSION); | |
| 1749 if (StringUtils.isNotEmpty(objectClass)) { | |
| 1750 query.setString("objectClass", objectClass); | |
| 1751 } else { | |
| 1752 query.setString("objectClass", Node.TYPE_TBOX); | |
| 1753 } | |
| 1754 count = (Long) query.uniqueResult(); | |
| 1755 | |
| 1756 session.getTransaction().commit(); | |
| 1757 } catch (Exception e) { | |
| 75 | 1758 logger.error(e); |
| 1 | 1759 } |
| 1760 return count; | |
| 1761 } | |
| 1762 | |
| 1763 /** | |
| 75 | 1764 * Returns all Entities of the given objectClass in the database |
| 1765 * between startRecord and endRecord. | |
| 1 | 1766 * |
| 1767 * @param objectClass | |
| 75 | 1768 * if it is null, all entities are returned (except |
| 1769 * definitions). To get the definitions objectClass should be: | |
| 1 | 1770 * Node.TYPE_TBOX |
| 1771 * @param startRecord | |
| 1772 * @param endRecord | |
| 1773 * @return | |
| 1774 */ | |
| 75 | 1775 public List<Entity> getEntityPage(String objectClass, final int startRecord, final int endRecord) { |
| 1 | 1776 |
| 1777 List<Entity> entities = new ArrayList<Entity>(); | |
| 1778 try { | |
| 75 | 1779 Session session = HibernateUtil.getSessionFactory().getCurrentSession(); |
| 1 | 1780 session.getTransaction().begin(); |
| 1781 | |
| 1782 String hql = "from Entity where "; | |
| 1783 | |
| 1784 if (StringUtils.isNotEmpty(objectClass)) { | |
| 75 | 1785 // real objectClass |
| 1 | 1786 hql += "objectClass = :objectClass AND "; |
| 1787 } else { | |
| 75 | 1788 // objectClass == null -- match object_class != 'TBox' |
| 1 | 1789 hql += "objectClass != :objectClass AND "; |
| 1790 } | |
| 1791 | |
| 1792 hql += "systemStatus = :systemStatus order by ownValue"; | |
| 1793 | |
| 1794 Query query = session.createQuery(hql); | |
| 75 | 1795 // use Hibernate's result paging |
| 1 | 1796 query.setFirstResult(startRecord); |
| 1797 query.setMaxResults(endRecord); | |
| 75 | 1798 // add query params |
| 1 | 1799 query.setString("systemStatus", Node.SYS_STATUS_CURRENT_VERSION); |
| 1800 if (StringUtils.isNotEmpty(objectClass)) { | |
| 75 | 1801 // real objectClass |
| 1 | 1802 query.setString("objectClass", objectClass); |
| 1803 } else { | |
| 75 | 1804 // objectClass == null -- match object_class != 'TBox' |
| 1 | 1805 query.setString("objectClass", Node.TYPE_TBOX); |
| 1806 } | |
| 75 | 1807 // fetch Entities |
| 1 | 1808 entities = query.list(); |
| 1809 | |
| 1810 session.getTransaction().commit(); | |
| 1811 } catch (Exception e) { | |
| 75 | 1812 logger.error(e); |
| 1 | 1813 } |
| 1814 return entities; | |
| 1815 } | |
| 1816 | |
| 1817 public static void main(String[] args) { | |
| 1818 /* | |
| 1819 * ServiceRegistry sr = new ServiceRegistry(); Long count = | |
| 1820 * sr.getPersistenceService().getEntityCount("CODEX"); | |
| 1821 * logger.info("count codex " + count); | |
| 1822 * | |
| 1823 * List<Entity> list = sr.getPersistenceService().getEntityPage("CODEX", | |
| 1824 * count.intValue() - 100, count.intValue() - 50); for(Entity e : list){ | |
| 1825 * logger.info(e.toString()); } | |
| 1826 */ | |
| 1827 } | |
| 1828 | |
| 1829 } |