code: protected boolean executeOperation(final TransactionalProtocolClient.TransactionalOperationListener<ServerOperation> listener, TransactionalProtocolClient client, final ServerIdentity identity, final ModelNode operation, final OperationResultTransformer transformer) {
          if(client == null) {
              return false;
          }
          final OperationMessageHandler messageHandler = new DelegatingMessageHandler(context);
          final OperationAttachments operationAttachments = new DelegatingOperationAttachments(context);
          final ServerOperation serverOperation = new ServerOperation(identity, operation, messageHandler, operationAttachments, transformer);
          try {
              DomainControllerLogger.HOST_CONTROLLER_LOGGER.tracef("Sending %s to %s", operation, identity);
              final Future<OperationResponse> result = client.execute(listener, serverOperation);
              recordExecutedRequest(new ExecutedServerRequest(identity, result, transformer));
          } catch (IOException e) {
              final TransactionalProtocolClient.PreparedOperation<ServerOperation> result = BlockingQueueOperationListener.FailedOperation.create(serverOperation, e);
              listener.operationPrepared(result);
              recordExecutedRequest(new ExecutedServerRequest(identity, result.getFinalResult(), transformer));
          }
          return true;
      }
docs: Execute the operation.
  
  @param listener the transactional operation listener
  @param client the transactional protocol client
  @param identity the server identity
  @param operation the operation
  @param transformer the operation result transformer
  @return whether the operation was executed