boolean startBatch()Starts a batch. All operations on the current client thread are performed as a part of this batch, with locks held for the duration of the batch and any remote calls delayed till the end of the batch.
- true if a batch was successfully started; false if one was available and already running.
void endBatch(boolean successful)Completes a batch if one has been started using
startBatch(). If no batch has been started, this is a no-op.
successful- if true, the batch completes, otherwise the batch is aborted and changes are not committed.