/// <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);
}
public override object Deserialize(IDictionary <string, object> dictionary, Type type, JavaScriptSerializer serializer)
{
WfBranchProcessTransferParams data = new WfBranchProcessTransferParams();
data.Template = JSONSerializerExecute.Deserialize <WfBranchProcessTemplateDescriptor>(dictionary["Template"]);
data.BranchParams.CopyFrom(JSONSerializerExecute.Deserialize <WfBranchProcessStartupParamsCollection>(dictionary["BranchParams"]));
return(data);
}
protected override void OnModifyWorkflow(WfExecutorDataContext dataContext)
{
this.TargetActivity.Process.Committed = true;
WfBranchProcessTransferParams bptp = new WfBranchProcessTransferParams(
WfTemplateBuilder.CreateDefaultCirculationTemplate("Circulate", this.Circulators));
WfRuntime.ProcessContext.AfterStartupBranchProcess += new WfAfterStartupBranchProcessHandler(WfActivityRelativeExecutorBase.AfterStartupBranchProcess);
this.TargetActivity.StartupBranchProcesses(bptp);
}
/// <summary>
/// 内部启动分支流程
/// </summary>
/// <param name="branchTransferParams">分支流程启动参数</param>
/// <param name="addToOwnerBranches"></param>
/// <returns></returns>
internal WfProcessCollection InternalStartupBranchProcesses(WfBranchProcessTransferParams branchTransferParams, bool addToOwnerBranches)
{
WfProcessCollection processes = null;
if (CanStartBranchProcessFromTemplate(branchTransferParams.Template))
{
IWfBranchProcessGroup group = this.BranchProcessGroups[branchTransferParams.Template.Key];
//以模版Key为分支流程实例的分组标准
if (group == null)
{
group = new WfBranchProcessGroup(this, branchTransferParams.Template);
this.BranchProcessGroups.Add(group);
}
WfRuntime.ProcessContext.FirePrepareBranchProcessParams(group, branchTransferParams.BranchParams);
ProcessProgress.Current.MaxStep += branchTransferParams.BranchParams.Count;
ProcessProgress.Current.Response();
//根据模板内的分支流程参数，逐一启动具体流程
for (int i = 0; i < branchTransferParams.BranchParams.Count; i++)
{
//processes = StartupBranchProcess(branchTransferParams, group, group.BranchProcessStatistics.MaxSequence++);
processes = StartupBranchProcess(branchTransferParams, group, i);
processes.ForEach(p =>
{
if (addToOwnerBranches)
{
if (group.Branches.Contains(p) == false)
{
group.Branches.Add(p);
}
}
WfRuntime.ProcessContext.FireAfterStartupBranchProcess(p);
});
ProcessProgress.Current.MaxStep = Math.Max(ProcessProgress.Current.MaxStep, ProcessProgress.Current.CurrentStep + processes.Count);
ProcessProgress.Current.IncrementBy(processes.Count);
ProcessProgress.Current.Response();
}
WfRuntime.ProcessContext.AffectedProcesses.AddOrReplace(this.Process);
}
if (processes == null)
{
processes = new WfProcessCollection();
}
return(processes);
}
public override IDictionary <string, object> Serialize(object obj, JavaScriptSerializer serializer)
{
WfBranchProcessTransferParams data = (WfBranchProcessTransferParams)obj;
IDictionary <string, object> dictionary = new Dictionary <string, object>();
dictionary["Template"] = data.Template;
dictionary["BranchParams"] = data.BranchParams;
return(dictionary);
}
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);
}
private WfProcessStartupParams PrepareOneBranchProcessStartupParams(WfBranchProcessTransferParams branchTransferParams, IWfBranchProcessGroup group, int index)
{
IWfBranchProcessTemplateDescriptor template = branchTransferParams.Template;
WfBranchProcessStartupParams branchStartupParams = branchTransferParams.BranchParams[index];
//准备启动子流程的参数
//先检查有没有预定义好的分支流程
IWfProcessDescriptor subProcessDesp = null;
using (WfApplicationParametersContext apContext = WfApplicationParametersContext.CreateContext(branchStartupParams.ApplicationRuntimeParameters))
{
subProcessDesp = template.GetBranchProcessDescriptor();
}
if (template.DefaultProcessName.IsNotEmpty())
{
string runtimeProcessName = this.Process.ApplicationRuntimeParameters.GetMatchedString(template.DefaultProcessName);
if (runtimeProcessName.IsNullOrEmpty())
{
runtimeProcessName = template.DefaultProcessName;
}
if (runtimeProcessName.IsNullOrEmpty())
{
((WfProcessDescriptor)subProcessDesp).Name = runtimeProcessName;
}
if (subProcessDesp.InitialActivity != null && subProcessDesp.InitialActivity.Name.IsNullOrEmpty())
{
((WfActivityDescriptor)subProcessDesp.InitialActivity).Name = runtimeProcessName;
}
}
if (template.DefaultTaskTitle.IsNotEmpty())
{
subProcessDesp.DefaultTaskTitle = template.DefaultTaskTitle;
}
if (template.DefaultUrl.IsNotEmpty())
{
subProcessDesp.Url = template.DefaultUrl;
}
if (subProcessDesp.Url.IsNullOrEmpty())
{
subProcessDesp.Url = this.Descriptor.Url.IsNotEmpty() ? this.Descriptor.Url : this.Descriptor.Process.Url;
}
WfProcessStartupParams startupParams = new WfProcessStartupParams();
startupParams.Creator = this.Operator;
if (branchStartupParams.Department == null)
{
startupParams.Department = this.Process.OwnerDepartment;
}
else
{
startupParams.Department = branchStartupParams.Department;
}
startupParams.Assignees.CopyFrom(branchStartupParams.Assignees);
startupParams.ProcessDescriptor = subProcessDesp;
if (branchStartupParams.DefaultTaskTitle.IsNullOrEmpty())
{
if (startupParams.DefaultTaskTitle.IsNullOrEmpty())
{
if (subProcessDesp.DefaultTaskTitle.IsNotEmpty())
{
startupParams.DefaultTaskTitle = subProcessDesp.DefaultTaskTitle;
}
else
{
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)
{
case WfSubProcessResourceMode.DependsOnProcess:
if (subProcessDesp.Properties.GetValue("Independent", false))
{
startupParams.ResourceID = UuidHelper.NewUuidString();
}
else
{
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;
}
if (branchStartupParams.RelativeParams.Count == 0)
{
startupParams.RelativeParams.CopyFrom(this.Process.RelativeParams);
}
else
{
startupParams.RelativeParams.CopyFrom(branchStartupParams.RelativeParams);
}
startupParams.BranchStartupParams = branchStartupParams;
startupParams.Group = group;
startupParams.OwnerActivityID = this.ID;
startupParams.OwnerTemplateKey = template.Key;
startupParams.Sequence = index;
startupParams.AutoCommit = this.Process.Committed; //子流程的提交属性默认等于主流程的
branchStartupParams.ApplicationRuntimeParameters.ForEach(kp => startupParams.ApplicationRuntimeParameters.Add(kp.Key, kp.Value));
//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);
}
/// <summary>
/// 启动分支流程
/// </summary>
/// <param name="branchTransferParams">启动分支流程的参数，里面包括一个分支流程模板</param>
public void StartupBranchProcesses(WfBranchProcessTransferParams branchTransferParams)
{
InternalStartupBranchProcesses(branchTransferParams, true);
}
public WfStartBranchProcessExecutor(IWfActivity operatorActivity, IWfActivity ownerActivity, WfBranchProcessTransferParams branchTransferParams)
: base(operatorActivity, WfControlOperationType.StartBranchProcess)
{
ownerActivity.NullCheck("ownerActivity");
branchTransferParams.NullCheck("branchTransferParams");
this.OwnerActivity = ownerActivity;
this.BranchTransferParams = branchTransferParams;
if (this.OperatorActivity == null)
{
this.OperatorActivity = ownerActivity;
}
}