@Override
public CommandProcessingResult update(final Long id, final JsonCommand command) {
this.standingInstructionDataValidator.validateForUpdate(command);
AccountTransferStandingInstruction standingInstructionsForUpdate = this.standingInstructionRepository.findOne(id);
if (standingInstructionsForUpdate == null) { throw new StandingInstructionNotFoundException(id); }
final Map<String, Object> actualChanges = standingInstructionsForUpdate.update(command);
return new CommandProcessingResultBuilder() //
.withCommandId(command.commandId()) //
.withEntityId(id) //
.with(actualChanges) //
.build();