public static IWfProcess StartWorkflow(WfProcessStartupParams startupParams)
{
startupParams.NullCheck<WfRuntimeException>("startupParams");
WfProcess process = new WfProcess(startupParams.ProcessDescriptor);
FillProcessDescriptorProperties(startupParams, process.Descriptor);
FillProcessInstanceProperties(startupParams, process);
WfProcessContextCache.Instance.Add(process.ID, process);
if (process.Creator == null && DeluxePrincipal.IsAuthenticated)
process.Creator = DeluxeIdentity.CurrentUser;
if (process.InitialActivity != null)
{
if (process.InitialActivity.Descriptor.Properties.GetValue("AutoGenerateCadidates", true))
{
process.InitialActivity.GenerateCandidatesFromResources();
WfMatrix matrix = process.GetMatrix();
if (matrix != null)
((WfActivityBase)process.InitialActivity).GenerateCandidatesFromMatrix(matrix);
}
if (startupParams.CheckStartProcessUserPermission)
CheckStartProcessUserPermission(process);
if (startupParams.Assignees.Count == 0)
{
startupParams.Assignees.CopyFrom(process.InitialActivity.Candidates);
}
if (process.InitialActivity.Descriptor.Resources.Count == 0)
{
startupParams.Assignees.ToUsers().ForEach(u => process.InitialActivity.Descriptor.Resources.Add(new WfUserResourceDescriptor(u)));
}
WfSimulator.WriteSimulationInfo(process, WfSimulationOperationType.Startup);
//如果自动启动第一个活动且存在活动点，则流转到第一个点
if (startupParams.AutoStartInitialActivity)
{
WfAssigneeCollection assignees = startupParams.Assignees;
process.InitialActivity.Candidates.Clear();
process.InitialActivity.Candidates.CopyFrom(startupParams.Assignees);
IWfActivity originalInitial = process.InitialActivity;
WfRuntime.DecorateProcess(process);
//修饰流程后，如果起始点发生了变化...
if (originalInitial != process.InitialActivity)
assignees = process.InitialActivity.Candidates;
WfTransferParams transferParams = new WfTransferParams(process.InitialActivity.Descriptor);
//设置初始节点子流程参数
process.InitialActivity.Descriptor.BranchProcessTemplates.ForEach(branchTemplate =>
{
transferParams.BranchTransferParams.Add(new WfBranchProcessTransferParams(branchTemplate));
});
transferParams.Operator = startupParams.Creator;
transferParams.Assignees.CopyFrom(assignees);
process.MoveTo(transferParams);
WfRuntime.ProcessContext.NormalizeTaskTitles();
}
}
WfRuntime.ProcessContext.AffectedProcesses.AddOrReplace(process);
return process;
}
private static void FillProcessInstanceProperties(WfProcessStartupParams startupParams, WfProcess process)
{
process.ResourceID = startupParams.ResourceID;
process.RelativeParams.CopyFrom(startupParams.RelativeParams);
process.RelativeID = startupParams.RelativeID;
process.RelativeURL = startupParams.RelativeURL;
process.BranchStartupParams = startupParams.BranchStartupParams;
process.EntryInfo = startupParams.Group;
process.OwnerActivityID = startupParams.OwnerActivityID;
process.OwnerTemplateKey = startupParams.OwnerTemplateKey;
process.Sequence = startupParams.Sequence;
process.ApplicationRuntimeParameters.CopyFrom(startupParams.ApplicationRuntimeParameters);
process.Committed = startupParams.AutoCommit;
process.OwnerDepartment = startupParams.Department;
process.Creator = startupParams.Creator;
}