Examples of org.datanucleus.ManagedConnection

                // Calculate the amount we need to shift any existing elements by
                // This is used where inserting between existing elements and have to shift down all elements after the start point
                int shift = c.size();


                ObjectManager om = sm.getObjectManager();
                ManagedConnection mconn = storeMgr.getConnection(om);
                try
                {
                    // shift up existing elements after start position by "shift"
                    for (int i=currentListSize-1; i>=startAt; i--)
                    {
                        // Shift the index of this row by "shift"
                        getSpecialization().internalShift(sm, mconn, false, i, shift, true, this
                        );
                    }
                }
                finally
                {
                    mconn.release();
                }
            }
            catch (MappedDatastoreException e)
            {
                // An error was encountered during the shift process so abort here

          ReadPolicy.Consistency.valueOf((String) extensions.get(DatastoreManager.DATASTORE_READ_CONSISTENCY_PROPERTY))));
    }
    DatastoreService ds = DatastoreServiceFactoryInternal.getDatastoreService(config);
    // Txns don't get started until you allocate a connection, so allocate a
    // connection before we do anything that might require a txn.
    ManagedConnection mconn = getStoreManager().getConnection(getObjectManager());
    try {
      if (qd.batchGetKeys != null &&
          qd.primaryDatastoreQuery.getFilterPredicates().size() == 1 &&
          qd.primaryDatastoreQuery.getSortPredicates().isEmpty()) {
        // only execute a batch get if there aren't any other
        // filters or sorts
        return fulfillBatchGetQuery(ds, qd, mconn);
      } else if (qd.joinQuery != null) {
        FetchOptions opts = buildFetchOptions(fromInclNo, toExclNo);
        JoinHelper joinHelper = new JoinHelper();
        return wrapEntityQueryResult(
            joinHelper.executeJoinQuery(qd, this, ds, opts),
            qd.resultTransformer, ds, mconn, null);
      } else {
        latestDatastoreQuery = qd.primaryDatastoreQuery;
        Transaction txn = null;
        // give users a chance to opt-out of having their query execute in a txn
        if (extensions == null ||
            !extensions.containsKey(DatastoreManager.EXCLUDE_QUERY_FROM_TXN) ||
            !(Boolean)extensions.get(DatastoreManager.EXCLUDE_QUERY_FROM_TXN)) {
          // If this is an ancestor query, execute it in the current transaction
          txn = qd.primaryDatastoreQuery.getAncestor() != null ? ds.getCurrentTransaction(null) : null;
        }
        PreparedQuery preparedQuery = ds.prepare(txn, qd.primaryDatastoreQuery);
        FetchOptions opts = buildFetchOptions(fromInclNo, toExclNo);
        if (qd.resultType == ResultType.COUNT) {
          return fulfillCountQuery(preparedQuery, opts);
        } else {
          if (qd.resultType == ResultType.KEYS_ONLY || isBulkDelete()) {
            qd.primaryDatastoreQuery.setKeysOnly();
          }
          return fulfillEntityQuery(preparedQuery, opts, qd.resultTransformer, ds, mconn);
        }
      }
    } finally {
      mconn.release();
    }
  }

Examples of org.datanucleus.ManagedConnection

Related Classes of org.datanucleus.ManagedConnection