/// <summary>
/// 获取回退线路
/// </summary>
/// <returns>路线</returns>
protected Transition GetHistoryTransition(Node entry)
{
WorkflowMode mode = WorkflowGlobalServiceProvider.Resolve <IWorkflowInstanceService>().GetMode(entry.InstanceID);
if (mode == WorkflowMode.Mix)
{
Transition transition = null;
Dictionary <String, Object> queryArg = new Dictionary <string, object>
{
{ "InstanceID", entry.InstanceID },
{ "Direction", (int)WorkflowOpertaion.Go }
};
WorkflowProcess process = ProcessService
.Query(queryArg).Where(c => c.Destination == entry.ID)
.FirstOrDefault();
if (process != null && entry.NodeType != WorkflowNodeCategory.Start)
{
transition = TransitionService.Query(entry.InstanceID).FirstOrDefault(e => e.NID == process.TransitionID && e.Direction == WorkflowOpertaion.Go);
}
return(transition);
}
return(null);
}
public WorkflowInstance Query(string instanceID)
{
try
{
WorkflowInstance instance = Connection.Query <WorkflowInstance>(ResourceManage.SQL_WORKFLOW_INSTANCE, param: new { InstanceID = instanceID }).FirstOrDefault();
instance.Current = WorkflowGlobalServiceProvider.Resolve <IWorkflowNodeService>().GetNode(instanceID);
return(instance);
}
catch (Exception ex)
{
throw ex;
}
}
public IList <WorkflowInstance> Query(string instanceID)
{
try
{
return(Connection.Query <WorkflowInstance, Node, WorkflowInstance>(ResourceManage.SQL_WORKFLOW_INSTANCE, (instance, node) =>
{
instance.Current = WorkflowGlobalServiceProvider.Resolve <IWorkflowNodeService>().GetNode(node);
return instance;
}, param: new { InstanceID = instanceID }, splitOn: "Name").ToList());
}
catch (Exception ex)
{
throw ex;
}
}
public IList <WorkflowInstance> Query(object condition)
{
string sql = ResourceManage.GetString(ResourceManage.SQL_WORKFLOW_INSTANCE);
try
{
return(Connection.Query <WorkflowInstance, Node, WorkflowInstance>(sql, (instance, node) =>
{
instance.Current = WorkflowGlobalServiceProvider.Resolve <IWorkflowNodeService>().GetNode(node);
return instance;
}, param: condition, splitOn: "Name").ToList());
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 上一个执行跳转节点
/// </summary>
/// <returns></returns>
public Node GetPrevious(Node entry)
{
Transition transition = GetHistoryTransition(entry);
if (transition == null)
{
return(null);
}
WorkflowMode mode = WorkflowGlobalServiceProvider.Resolve <IWorkflowInstanceService>().GetMode(entry.InstanceID);
if (mode == WorkflowMode.Mix)
{
Node wrapNode = this.FindNodeByID(transition.Origin, entry.InstanceID);
return(this.GetNode(wrapNode));
}
else
{
return(base.Connection.Query <Node>(ResourceManage.SQL_WORKFLOW_NODE_SELECT_ID, new { entry.InstanceID, ID = transition.Origin }).FirstOrDefault());
}
}
public static WorkflowInstance GetInstance(string instanceID)
{
return(WorkflowGlobalServiceProvider.Resolve <IWorkflowInstanceService>()
.Query(instanceID));
}
public static WorkflowInstance GetInstance(string instanceID)
{
return(WorkflowGlobalServiceProvider.Resolve <IWorkflowInstanceService>()
.Query(new { InstanceID = instanceID })
.FirstOrDefault());
}
public static IWorkflowAction Create(string name)
{
return(WorkflowGlobalServiceProvider.QueryActions()
.FirstOrDefault(entry => string.Equals(entry.GetType().FullName, name, StringComparison.OrdinalIgnoreCase)));
}
