private void DeleteImpl(ServerObject obj)
{
if (obj.Processed)
{
return;
}
Trace.WriteLineIf(DebugOutput.Enabled, "Deleting ServerObject of type " + obj.ServerObjectType);
switch (obj.State)
{
case ObjectState.Added:
Trace.WriteLineIf(DebugOutput.Enabled, "Setting state to ObjectState.Detached");
obj.State = ObjectState.Detached;
break;
case ObjectState.Modified:
case ObjectState.Unchanged:
Trace.WriteLineIf(DebugOutput.Enabled, "Setting state to ObjectState.Deleted");
obj.State = ObjectState.Deleted;
break;
case ObjectState.Deleted:
case ObjectState.Detached:
break;
default:
throw new ObjectServerException("Invalid ObjectState found.");
}
;
obj.Processed = true;
TypeSchema parentTypeSchema = SchemaCache.Current.GetSchema(obj.ServerObjectType);
Trace.WriteLineIf(DebugOutput.Enabled, "Enumerating Childrean");
foreach (ChildrenSchema childSchema in parentTypeSchema.ChildrenSchemas)
{
Trace.WriteLineIf(DebugOutput.Enabled, "Checking Children " + childSchema.Property.Name);
ServerObjectCollection children = obj.Children[childSchema.Property.Name] as ServerObjectCollection;
TypeSchema childTypeSchema = SchemaCache.Current.GetSchema(childSchema.ChildType);
ParentSchema parentSchema = childTypeSchema.FindParentSchema(childSchema.PropertyName);
int nonDeleted = 0;
foreach (ServerObject child in children)
{
if (child.State != ObjectState.Deleted && child.State != ObjectState.Detached)
{
nonDeleted++;
}
}
Trace.WriteLineIf(DebugOutput.Enabled, "Counted " + nonDeleted + " non-deleted children");
if (nonDeleted > 0)
{
if (parentSchema.DeleteAction == DeleteAction.Throw)
{
throw new ObjectServerException(String.Format(CultureInfo.CurrentCulture, "Could not delete, {0}.{1} has DeleteAction.Throw", childTypeSchema.Type.FullName, parentSchema.Property.Name));
}
if (parentSchema.DeleteAction == DeleteAction.Null)
{
Trace.WriteLineIf(DebugOutput.Enabled, "Changing key to DBNull.Value and updating state");
foreach (ServerObject child in children)
{
child.Data.SetValue(childSchema.PropertyName, DBNull.Value);
switch (child.State)
{
case ObjectState.Added:
case ObjectState.Modified:
case ObjectState.Detached:
case ObjectState.Deleted:
break;
case ObjectState.Unchanged:
child.State = ObjectState.Modified;
break;
default:
throw new ObjectServerException("Invalid ObjectState found.");
}
;
}
continue;
}
}
Trace.WriteLineIf(DebugOutput.Enabled, "Processing children");
foreach (ServerObject child in children)
{
DeleteImpl(child);
}
}
}
public bool IsWebPlatform()
{
//TODO: multi level hierarchy
return(ClientPlatform.Web == Platform || (ParentSchema != null && ParentSchema.IsWebPlatform()));
}
