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

Package com.google.appengine.api.datastore

Class com.google.appengine.api.datastore.Transaction

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

com.google.appengine.api.datastore.Transaction.commit()

        logger.warning("No device for registration id " + oldId);
        return;
      }
      entity.setProperty(DEVICE_REG_ID_PROPERTY, newId);
      datastore.put(entity);
      txn.commit();
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }

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      devices = new ArrayList<String>();
      for (Entity entity : entities) {
        String device = (String) entity.getProperty(DEVICE_REG_ID_PROPERTY);
        devices.add(device);
      }
      txn.commit();
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }

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      Query query = new Query(DEVICE_TYPE).setKeysOnly();
      List<Entity> allKeys =
          datastore.prepare(query).asList(DEFAULT_FETCH_OPTIONS);
      int total = allKeys.size();
      logger.fine("Total number of devices: " + total);
      txn.commit();
      return total;
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }

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      entity.setProperty(MULTICAST_REG_IDS_PROPERTY, devices);
      datastore.put(entity);
      Key key = entity.getKey();
      encodedKey = KeyFactory.keyToString(key);
      logger.fine("multicast key: " + encodedKey);
      txn.commit();
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }

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    try {
      entity = datastore.get(key);
      @SuppressWarnings("unchecked")
      List<String> devices =
          (List<String>) entity.getProperty(MULTICAST_REG_IDS_PROPERTY);
      txn.commit();
      return devices;
    } catch (EntityNotFoundException e) {
      logger.severe("No entity for key " + key);
      return Collections.emptyList();
    } finally {

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        logger.severe("No entity for key " + key);
        return;
      }
      entity.setProperty(MULTICAST_REG_IDS_PROPERTY, devices);
      datastore.put(entity);
      txn.commit();
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }

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  public static void deleteMulticast(String encodedKey) {
    Transaction txn = datastore.beginTransaction();
    try {
      Key key = KeyFactory.stringToKey(encodedKey);
      datastore.delete(key);
      txn.commit();
    } finally {
      if (txn.isActive()) {
        txn.rollback();
      }
    }

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          dataStore.put(null, ftRecord.toEntity());
          FanoutTask fannoutTask = new FanoutTask(ftRecord.getKey(), queueSettings);
          taskQueue.enqueue(fannoutTask);
        }
      }
      transaction.commit();
    } finally {
      if (transaction.isActive()) {
        transaction.rollback();
      }
    }

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      public List<Key> call() {
        Transaction tx = dataStore.beginTransaction();
        List<Key> keys;
        try {
          keys = dataStore.put(tx, shardedValues);
          tx.commit();
        } finally {
          if (tx.isActive()) {
            tx.rollback();
          }
        }

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      try {
        entity.setProperty("names", localNames);
        
        datastoreService.put(txn, entity);
        
        txn.commit();


        return ResultType.ADD_SUCCESS;
      } catch (Exception e) {
        _logger.warning("Failure to save entity with names: " + e);
        if (localNames.size() >= 5000) { //python has an error about size, but we'll just artificially limit it to 1000 here

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