/// <summary>
/// 启动一个模版（组）下的一组分支流程，在服务模式下，可能返回多个流程。其它情况返回单个流程
/// </summary>
/// <param name="branchTransferParams"></param>
/// <param name="group"></param>
/// <param name="index"></param>
/// <returns></returns>
private WfProcessCollection StartupBranchProcess(WfBranchProcessTransferParams branchTransferParams, IWfBranchProcessGroup group, int index)
{
WfProcessCollection processes = null;
if (branchTransferParams.Template.OperationDefinition == null)
{
WfProcessStartupParams startupParams = PrepareOneBranchProcessStartupParams(branchTransferParams, group, index);
startupParams.CheckStartProcessUserPermission = false;
processes = new WfProcessCollection();
processes.Add(WfRuntime.StartWorkflow(startupParams));
}
else
{
if (WfRuntime.ProcessContext.EnableServiceCall)
{
WfServiceStartupProcessParams startupParams = PrepareOneServiceStartupProcessParams(branchTransferParams, group, index);
processes = InvokeBranchProcess(startupParams, branchTransferParams.Template);
}
else
{
processes = new WfProcessCollection();
}
}
return(processes);
}
/// <summary>
/// 调用外部服务。对方会返回一个或一组流程ID。本函数返回这组ID对应的流程。
/// </summary>
/// <param name="startupParams"></param>
/// <param name="template"></param>
/// <returns></returns>
private WfProcessCollection InvokeBranchProcess(WfServiceStartupProcessParams startupParams, IWfBranchProcessTemplateDescriptor template)
{
this.Process.ApplicationRuntimeParameters["serviceOP_Paramas"] = startupParams;
WfServiceInvoker svcInvoker = new WfServiceInvoker(template.OperationDefinition);
object obj = svcInvoker.Invoke();
WfProcessCollection processes = new WfProcessCollection();
WfBranchProcessTemplateDescriptor temp = template as WfBranchProcessTemplateDescriptor;
IList array = obj as IList;
if (array != null)
{
IWfProcess process = null;
foreach (string processID in array)
{
process = WfRuntime.GetProcessByProcessID(processID);
processes.Add(process);
}
temp.BranchProcessKey = process.Descriptor.Key;
}
else
{
IWfProcess process = WfRuntime.GetProcessByProcessID(obj.ToString());
processes.Add(process);
temp.BranchProcessKey = process.Descriptor.Key;
}
return(processes);
}
public WfProcessStartupParams(WfServiceStartupProcessParams serviceOP_Paramas, string ProcessDespKey)
{
this.ProcessDescriptor = WfProcessDescriptorManager.GetDescriptor(ProcessDespKey);
this.ProcessDescriptor.Url = serviceOP_Paramas.DefaultURL;
this.Assignees.Add(serviceOP_Paramas.Assignees);
this.AutoStartInitialActivity = serviceOP_Paramas.AutoStartInitialActivity;
this.Creator = serviceOP_Paramas.Creator;
this.DefaultTaskTitle = serviceOP_Paramas.DefaultTaskTitle;
this.Department = serviceOP_Paramas.Department;
this.ResourceID = serviceOP_Paramas.ResourceID;
this.RelativeID = serviceOP_Paramas.RelativeID;
this.RelativeURL = serviceOP_Paramas.RelativeURL;
this.OwnerActivityID = serviceOP_Paramas.OwnerActivityID;
this.OwnerTemplateKey = serviceOP_Paramas.OwnerTemplateKey;
this.CheckStartProcessUserPermission = false;
this.RuntimeProcessName = serviceOP_Paramas.RuntimeProcessName;
this.AutoCommit = serviceOP_Paramas.AutoCommit;
this.DefaultUrl = serviceOP_Paramas.DefaultUrl;
}
private WfServiceStartupProcessParams PrepareOneServiceStartupProcessParams(WfBranchProcessTransferParams branchParams, IWfBranchProcessGroup group, int index)
{
IWfBranchProcessTemplateDescriptor template = branchParams.Template;
WfBranchProcessStartupParams branchStartupParams = branchParams.BranchParams[index];
WfServiceStartupProcessParams startupParams = new WfServiceStartupProcessParams();
startupParams.Creator = this.Process.Creator;
if (branchStartupParams.Department == null)
{
startupParams.Department = this.Process.OwnerDepartment;
}
else
{
startupParams.Department = branchStartupParams.Department;
}
startupParams.Assignees = branchStartupParams.Assignees.ToUsers();
if (branchStartupParams.DefaultTaskTitle.IsNullOrEmpty())
{
if (startupParams.DefaultTaskTitle.IsNullOrEmpty())
{
startupParams.DefaultTaskTitle = this.Process.Descriptor.DefaultTaskTitle;
}
else
{
startupParams.DefaultTaskTitle = this.Descriptor.TaskTitle;
}
}
else
{
startupParams.DefaultTaskTitle = branchStartupParams.DefaultTaskTitle;
}
if (branchStartupParams.ResourceID.IsNullOrEmpty())
{
WfSubProcessResourceMode mode = template.Properties.GetValue("CreateResourceMode", WfSubProcessResourceMode.DependsOnProcess);
switch (mode)
{
//这里的规则是什么？
case WfSubProcessResourceMode.DependsOnProcess:
startupParams.ResourceID = this.Process.ResourceID;
break;
case WfSubProcessResourceMode.SameWithRoot:
startupParams.ResourceID = this.Process.ResourceID;
break;
case WfSubProcessResourceMode.NewCreate:
startupParams.ResourceID = UuidHelper.NewUuidString();
break;
}
}
else
{
startupParams.ResourceID = branchStartupParams.ResourceID;
}
startupParams.OwnerActivityID = this.ID;
startupParams.OwnerTemplateKey = template.Key;
startupParams.Sequence = index;
startupParams.RelativeParams = new Dictionary <object, object>();
foreach (var strpar in branchStartupParams.RelativeParams.AllKeys)
{
startupParams.RelativeParams.Add(strpar, this.Process.ApplicationRuntimeParameters[branchStartupParams.RelativeParams[strpar]]);
}
if (!string.IsNullOrEmpty(template.DefaultUrl))
{
startupParams.DefaultURL = template.DefaultUrl;
}
else if (!string.IsNullOrEmpty(this.Descriptor.Url))
{
startupParams.DefaultURL = this.Descriptor.Url;
}
else
{
startupParams.DefaultURL = this.Process.Descriptor.Url;
}
//如果是串行执行，且不是第一个流程，则不启动第一个活动，子流程处于未启动状态
if (template.ExecuteSequence == WfBranchProcessExecuteSequence.Serial && index > 0)
{
startupParams.AutoStartInitialActivity = false;
}
return(startupParams);
}
