Method multiActionToSingleAction

src/RegionClient.java:1073–1091

Transforms the given single-edit multi-put into a regular single-put. @param multiput The single-edit multi-put to transform.

(final MultiAction batch)

   * @param multiput The single-edit multi-put to transform.
   */
  private BatchableRpc multiActionToSingleAction(final MultiAction batch) {
    final BatchableRpc rpc = batch.batch().get(0);
    addSingleEditCallbacks(rpc);
    // Once the single-edit is done, we still need to make sure we're
    // going to run the callback chain of the MultiAction.
    final class Multi2SingleCB implements Callback<Object, Object> {
      public Object call(final Object arg) {
        // If there was a problem, let the MultiAction know.
        // Otherwise, give the HBaseRpc in argument to the MultiAction
        // callback.  This is kind of a kludge: the MultiAction callback
        // will understand that this means that this single-RPC was already
        // successfully executed on its own.
        batch.callback(arg instanceof Exception ? arg : rpc);
        return arg;
      }
    }
    rpc.getDeferred().addBoth(new Multi2SingleCB());
    return rpc;
  }

  // -------------------------------------- //
  // Managing the life-cycle of the channel //