protected PropertyDefineCollection GetCachedPropertyDefineCollection(string cacheKey, Func <PropertyDefineCollection> getExtProperties)
{
WfActivitySettings settings = WfActivitySettings.GetConfig();
PropertyDefineCollection pdc = (PropertyDefineCollection)settings.Context[cacheKey];
if (pdc == null)
{
lock (settings.Context.SyncRoot)
{
pdc = (PropertyDefineCollection)settings.Context[cacheKey];
if (pdc == null)
{
pdc = GetDefaultPropertyDefineCollection();
if (getExtProperties != null)
{
PropertyDefineCollection extraProperties = getExtProperties();
extraProperties.ForEach(p => pdc.Add(p));
}
settings.Context[cacheKey] = pdc;
}
}
}
return(pdc);
}
private static void ResetPropertiesByDefinedName(WfActivityDescriptor actDesp, string definedName)
{
PropertyDefineCollection definedProperties = new PropertyDefineCollection();
definedProperties.LoadPropertiesFromConfiguration(WfActivitySettings.GetConfig().PropertyGroups[definedName]);
actDesp.Properties.ReplaceDefinedProperties(definedProperties);
}
protected PropertyDefineCollection GetDefaultPropertyDefineCollection()
{
PropertyDefineCollection pdc = new PropertyDefineCollection();
pdc.LoadPropertiesFromConfiguration(WfActivitySettings.GetConfig().PropertyGroups["AllDescriptorProperties"]);
return(pdc);
}
public static WfActivityBase CreateActivityInstance(IWfActivityDescriptor actDesp, IWfProcess process)
{
WfActivityBase act = WfActivitySettings.GetConfig().GetActivityBuilder(actDesp).CreateActivity(actDesp);
act.Process = process;
process.Activities.Add(act);
act.CreatorInstanceID = WfRuntime.ProcessContext.ActivityChangingContext.CreatorInstanceID;
return(act);
}
public static void LoadActions(IWfActivity activity)
{
WfActivityConfigurationElement activityElement = WfActivitySettings.GetConfig().Activities[activity.Descriptor.ActivityType.ToString()];
if (WfRuntime.Parameters.AutoloadActions && activityElement != null)
{
activity.LeaveActions.CopyFrom(activityElement.GetLeaveActions());
activity.EnterActions.CopyFrom(activityElement.GetEnterActions());
activity.WithdrawActions.CopyFrom(activityElement.GetWithdrawActions());
activity.BeWithdrawnActions.CopyFrom(activityElement.GetBeWithdrawnActions());
}
}
public static WfGlobalParameters LoadProperties(string key)
{
key.CheckStringIsNullOrEmpty("key");
WfGlobalParameters parameters = LoadFromDB(key);
if (parameters == null)
{
parameters = new WfGlobalParameters()
{
Key = key
}
}
;
PropertyDefineCollection definedProperties = new PropertyDefineCollection();
definedProperties.LoadPropertiesFromConfiguration(WfActivitySettings.GetConfig().PropertyGroups["GlobalParemeters"]);
parameters.Properties.MergeDefinedProperties(definedProperties);
return(parameters);
}
protected override PropertyDefineCollection GetPropertyDefineCollection()
{
return(GetCachedPropertyDefineCollection("WfProcessDescriptor",
() => PropertyDefineCollection.CreatePropertiesFromConfiguration(WfActivitySettings.GetConfig().PropertyGroups["BasicProcessProperties"])));
}
