public void transfer()

in core/src/main/java/com/alibaba/smart/framework/engine/service/command/impl/DefaultTaskCommandService.java [101:138]

• 27 lines of code
• 7 McCabe index (conditional complexity)

    public void transfer(String taskId, String fromUserId, String toUserId) {

        ConfigurationOption configurationOption = processEngineConfiguration
            .getOptionContainer().get(ConfigurationOption.TRANSFER_ENABLED_OPTION.getId());

        if (!configurationOption.isEnabled()){
            throw new ValidationException("should set TRANSFER_ENABLED_OPTION ");
        }


        List<TaskAssigneeInstance> taskAssigneeInstanceList = taskAssigneeStorage.findList(taskId,processEngineConfiguration );

        if(CollectionUtil.isEmpty(taskAssigneeInstanceList)){
            throw new ValidationException("taskAssigneeInstanceList can't be empty for taskId:"+taskId);
        }

        boolean found = false;

        TaskAssigneeInstance matchedTaskAssigneeInstance = null;
        for (TaskAssigneeInstance taskAssigneeInstance : taskAssigneeInstanceList) {
            if (taskAssigneeInstance.getAssigneeId().equals(fromUserId)){
                found =true;
                matchedTaskAssigneeInstance = taskAssigneeInstance;
                break;
            }
        }

        if(!found){
            throw new ValidationException("No taskAssigneeInstance found  for fromUserId:"+fromUserId);
        }

        if( !AssigneeTypeConstant.USER.equals( matchedTaskAssigneeInstance.getAssigneeType())){
            throw new ValidationException("Illegal  AssigneeType :"+matchedTaskAssigneeInstance.getAssigneeType());
        }

        taskAssigneeStorage.update(matchedTaskAssigneeInstance.getInstanceId(),toUserId,processEngineConfiguration);

    }