Package com.google.appengine.api.datastore

Examples of com.google.appengine.api.datastore.Transaction.rollback()

56
57
58
59
60
61
62
63
64
65
66
      encodedKey = KeyFactory.keyToString(key);
      Datastore.logger.fine("MessageDescriptor key: " + encodedKey);
      txn.commit();
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }
    return encodedKey;
  }
View Full Code Here
47
48
49
50
51
52
53
54
55
56
57
    } catch (EntityNotFoundException e) {
      Datastore.logger.severe("No entity for key " + key);
      return null;
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }
  }

  public static String createMessageDescriptor(MessageDescriptor descriptor) {
View Full Code Here
65
66
67
68
69
70
71
72
73
74
75
      encodedKey = KeyFactory.keyToString(key);
      Datastore.logger.fine("MessageDescriptor key: " + encodedKey);
      txn.commit();
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }
    return encodedKey;
  }
View Full Code Here
418
419
420
421
422
423
424
425
426
427
428
          // Now we need to roll back the transaction (even though it doesn't
          // actually exist), otherwise TransactionCleanupFilter will try to
          // roll it back, which is bad because it's not prepared for the crash
          // that we catch below.
          try {
            rawTransaction.rollback();
            throw new Error("Rollback of nonexistent transaction did not fail");
          } catch (DatastoreTimeoutException e2) {
            log.log(Level.INFO, "Rollback of nonexistent transaction failed as expected", e2);
          }
          throw e;
View Full Code Here
135
136
137
138
139
140
141
142
143
144
145
        }
      }
      transaction.commit();
    } finally {
      if (transaction.isActive()) {
        transaction.rollback();
      }
    }
  }

  private abstract class Operation {
View Full Code Here
231
232
233
234
235
236
237
238
239
240
241
    Transaction transaction = dataStore.beginTransaction();
    try {
      return queryEntity(key);
    } finally {
      if (transaction.isActive()) {
        transaction.rollback();
      }
    }
  }

  @SuppressWarnings("unused")
View Full Code Here
243
244
245
246
247
248
249
250
251
252
253
    Transaction transaction = dataStore.beginTransaction();
    try {
      return dataStore.get(keys);
    } finally {
      if (transaction.isActive()) {
        transaction.rollback();
      }
    }
  }

  @Override
View Full Code Here
228
229
230
231
232
233
234
235
236
237
238
        scheduleControllerTask(tx, jobState);
      }
      tx.commit();
    } finally {
      if (tx.isActive()) {
        tx.rollback();
      }
    }
  }

  void runTask(String taskId, String jobId, int sequenceNumber) {
View Full Code Here
289
290
291
292
293
294
295
296
297
298
299
        scheduleWorkerTask(tx, jobState.getSettings(), taskState);
      }
      tx.commit();
    } finally {
      if (tx.isActive()) {
        tx.rollback();
      }
    }
  }

  private String getTaskId(String jobId, int taskNumber) {
View Full Code Here
323
324
325
326
327
328
329
330
331
332
333
        DATASTORE.put(tx, IncrementalTaskState.Serializer.toEntity(taskState));
        scheduleWorkerTask(tx, settings, taskState);
        tx.commit();
      } finally {
        if (tx.isActive()) {
          tx.rollback();
        }
      }
    }
  }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.