Package com.google.walkaround.util.server.appengine.CheckedDatastore

Examples of com.google.walkaround.util.server.appengine.CheckedDatastore.CheckedTransaction.rollback()

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        do {
          list.add(result.next());
        } while (result.hasNext() && stopwatch.elapsedMillis() < MAX_MILLIS);
        return new HistoryResult(list.build(), result.hasNext());
      } finally {
        tx.rollback();
      }
    } catch (PermanentFailure e) {
      throw new IOException(e);
    } catch (RetryableFailure e) {
      // TODO(danilatos): Retry?
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          if (!snapshotVersion.isEmpty()) {
            snapshot = mutationLog.reconstruct(Long.parseLong(snapshotVersion))
                .getState().snapshot();
          }
        } finally {
          tx.rollback();
        }
      } catch (NumberFormatException e) {
        throw new BadRequestException(e);
      } catch (PermanentFailure e) {
        throw new IOException(e);
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