@Override
  public void addWorkflow(Workflow workflow, List<Parameter> parameterList, int tenantId)
      throws WorkflowException {

    // TODO:Workspace Name may contain spaces , so we need to remove spaces and prepare process for
    // that
    Parameter workflowNameParameter =
        new Parameter(
            workflow.getWorkflowId(),
            WFConstant.ParameterName.WORKFLOW_NAME,
            workflow.getWorkflowName(),
            WFConstant.ParameterName.WORKFLOW_NAME,
            WFConstant.ParameterHolder.WORKFLOW_IMPL);

    if (!parameterList.contains(workflowNameParameter)) {
      parameterList.add(workflowNameParameter);
    } else {
      workflowNameParameter = parameterList.get(parameterList.indexOf(workflowNameParameter));
    }
    if (!workflowNameParameter.getParamValue().equals(workflow.getWorkflowName())) {
      workflowNameParameter.setParamValue(workflow.getWorkflowName());
      // TODO:Since the user has changed the workflow name, we have to undeploy bpel package that is
      // already
      // deployed using previous workflow name.
    }

    AbstractWorkflow abstractWorkflow =
        WorkflowServiceDataHolder.getInstance()
            .getWorkflowImpls()
            .get(workflow.getTemplateId())
            .get(workflow.getWorkflowImplId());
    // deploying the template
    abstractWorkflow.deploy(parameterList);

    // add workflow to the database
    if (workflowDAO.getWorkflow(workflow.getWorkflowId()) == null) {
      workflowDAO.addWorkflow(workflow, tenantId);
      WorkflowManagementUtil.createAppRole(
          StringUtils.deleteWhitespace(workflow.getWorkflowName()));
    } else {
      workflowDAO.removeWorkflowParams(workflow.getWorkflowId());
      workflowDAO.updateWorkflow(workflow);
    }
    workflowDAO.addWorkflowParams(parameterList, workflow.getWorkflowId());
  }
 @Override
 public List<WorkflowImpl> listWorkflowImpls(String templateId) throws WorkflowException {
   Map<String, AbstractWorkflow> abstractWorkflowMap =
       WorkflowServiceDataHolder.getInstance().getWorkflowImpls().get(templateId);
   List<WorkflowImpl> workflowList = new ArrayList<WorkflowImpl>();
   if (abstractWorkflowMap != null) {
     List<AbstractWorkflow> abstractWorkflowList = new ArrayList<>(abstractWorkflowMap.values());
     for (AbstractWorkflow abstractWorkflow : abstractWorkflowList) {
       WorkflowImpl workflow = new WorkflowImpl();
       workflow.setWorkflowImplId(abstractWorkflow.getWorkflowImplId());
       workflow.setWorkflowImplName(abstractWorkflow.getWorkflowImplName());
       workflow.setParametersMetaData(abstractWorkflow.getParametersMetaData());
       workflow.setTemplateId(abstractWorkflow.getTemplateId());
       workflowList.add(workflow);
     }
   }
   return workflowList;
 }
  @Override
  public WorkflowImpl getWorkflowImpl(String templateId, String workflowImplId)
      throws WorkflowException {

    WorkflowImpl workflowImpl = null;
    Map<String, AbstractWorkflow> abstractWorkflowMap =
        WorkflowServiceDataHolder.getInstance().getWorkflowImpls().get(templateId);
    if (abstractWorkflowMap != null) {
      AbstractWorkflow tmp = abstractWorkflowMap.get(workflowImplId);
      if (tmp != null) {
        workflowImpl = new WorkflowImpl();
        workflowImpl.setWorkflowImplId(tmp.getWorkflowImplId());
        workflowImpl.setWorkflowImplName(tmp.getWorkflowImplName());
        workflowImpl.setParametersMetaData(tmp.getParametersMetaData());
        workflowImpl.setTemplateId(tmp.getTemplateId());
      }
    }
    return workflowImpl;
  }