private object Create(System.Type objectType, bool hasParameters, params object[] parameters)
{
LateBoundObject obj = null;
IDataPortalTarget target = null;
var eventArgs = new DataPortalEventArgs(null, objectType, parameters, DataPortalOperations.Create);
try
{
// create an instance of the business object
obj = new LateBoundObject(ApplicationContext.DataPortalActivator.CreateInstance(objectType));
ApplicationContext.DataPortalActivator.InitializeInstance(obj.Instance);
target = obj.Instance as IDataPortalTarget;
if (target != null)
{
target.Child_OnDataPortalInvoke(eventArgs);
target.MarkAsChild();
target.MarkNew();
}
else
{
obj.CallMethodIfImplemented("Child_OnDataPortalInvoke",
eventArgs);
obj.CallMethodIfImplemented("MarkAsChild");
obj.CallMethodIfImplemented("MarkNew");
}
// tell the business object to create its data
if (hasParameters)
obj.CallMethod("Child_Create", parameters);
else
obj.CallMethod("Child_Create");
if (target != null)
target.Child_OnDataPortalInvokeComplete(eventArgs);
else
obj.CallMethodIfImplemented("Child_OnDataPortalInvokeComplete",
eventArgs);
// return the populated business object as a result
return obj.Instance;
}
catch (Exception ex)
{
try
{
if (target != null)
target.Child_OnDataPortalException(eventArgs, ex);
else if (obj != null)
obj.CallMethodIfImplemented("Child_OnDataPortalException",
eventArgs, ex);
}
catch
{
// ignore exceptions from the exception handler
}
object bo = null;
if (obj != null)
bo = obj.Instance;
throw new Csla.DataPortalException(
"ChildDataPortal.Create " + Properties.Resources.FailedOnServer, ex, bo);
}
finally
{
ApplicationContext.DataPortalActivator.FinalizeInstance(obj.Instance);
}
}
private void Update(object obj, bool hasParameters, params object[] parameters)
{
if (obj == null)
return;
var busObj = obj as Core.BusinessBase;
if (busObj != null && busObj.IsDirty == false)
{
// if the object isn't dirty, then just exit
return;
}
var operation = DataPortalOperations.Update;
Type objectType = obj.GetType();
IDataPortalTarget target = obj as IDataPortalTarget;
LateBoundObject lb = new LateBoundObject(obj);
ApplicationContext.DataPortalActivator.InitializeInstance(lb.Instance);
try
{
if (target != null)
target.Child_OnDataPortalInvoke(
new DataPortalEventArgs(null, objectType, obj, operation));
else
lb.CallMethodIfImplemented("Child_OnDataPortalInvoke",
new DataPortalEventArgs(null, objectType, obj, operation));
// tell the business object to update itself
if (busObj != null)
{
if (busObj.IsDeleted)
{
if (!busObj.IsNew)
{
// tell the object to delete itself
if (hasParameters)
lb.CallMethod("Child_DeleteSelf", parameters);
else
lb.CallMethod("Child_DeleteSelf");
}
if (target != null)
target.MarkNew();
else
lb.CallMethodIfImplemented("MarkNew");
}
else
{
if (busObj.IsNew)
{
// tell the object to insert itself
if (hasParameters)
lb.CallMethod("Child_Insert", parameters);
else
{
lb.CallMethod("Child_Insert");
}
}
else
{
// tell the object to update itself
if (hasParameters)
lb.CallMethod("Child_Update", parameters);
else
{
lb.CallMethod("Child_Update");
}
}
if (target != null)
target.MarkOld();
else
lb.CallMethodIfImplemented("MarkOld");
}
}
else if (obj is Core.ICommandObject)
{
// tell the object to update itself
if (hasParameters)
lb.CallMethod("Child_Execute", parameters);
else
lb.CallMethod("Child_Execute");
operation = DataPortalOperations.Execute;
}
else
{
// this is an updatable collection or some other
// non-BusinessBase type of object
// tell the object to update itself
if (hasParameters)
lb.CallMethod("Child_Update", parameters);
else
lb.CallMethod("Child_Update");
if (target != null)
target.MarkOld();
else
lb.CallMethodIfImplemented("MarkOld");
}
if (target != null)
target.Child_OnDataPortalInvokeComplete(
new DataPortalEventArgs(null, objectType, obj, operation));
else
lb.CallMethodIfImplemented("Child_OnDataPortalInvokeComplete",
new DataPortalEventArgs(null, objectType, obj, operation));
}
catch (Exception ex)
{
try
{
if (target != null)
target.Child_OnDataPortalException(
new DataPortalEventArgs(null, objectType, obj, operation), ex);
else if (lb != null)
lb.CallMethodIfImplemented("Child_OnDataPortalException",
new DataPortalEventArgs(null, objectType, obj, operation), ex);
}
catch
{
// ignore exceptions from the exception handler
}
throw new Csla.DataPortalException(
"ChildDataPortal.Update " + Properties.Resources.FailedOnServer, ex, obj);
}
finally
{
ApplicationContext.DataPortalActivator.FinalizeInstance(lb.Instance);
}
}
