/// <summary>
/// 动态获取路线，根据决策节点设置条件表达式，自动去判断流转的路线
/// </summary>
/// <returns>路线</returns>
public Transition GetTransition()
{
Command command = GetExecuteCmd();
List <WorkflowConfig> settings = WorkflowConfig.GetSettings();
WorkflowConfig config = settings
.Where(cfg => cfg.ID == long.Parse(command.ID))
.FirstOrDefault();
IDbConnection connection = DapperFactory.CreateConnection(config.ProviderName, config.ConnectionString);
try
{
DataTable resultSet = new DataTable(Guid.NewGuid().ToString());
using (IDataReader reader = connection.ExecuteReader(command.Text, new { InstanceID = InstanceID }))
{
resultSet.Load(reader);
reader.Close();
}
Transition instance = null;
List <Transition> transitions = QueryWorkflowNode(NID);
if (resultSet.Rows.Count > 0)
{
foreach (Transition transition in transitions)
{
if (resultSet.Select(transition.Expression).Length > 0)
{
instance = transition;
break;
}
}
}
return(instance);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 获取配置
/// </summary>
/// <returns></returns>
public List <WorkflowConfig> GetSettings()
{
return(WorkflowConfig.GetSettings());
}