public IList <PersistentCollectionChangeData> MapCollectionChanges(String referencingPropertyName,
IPersistentCollection newColl,
object oldColl,
object id)
{
// Name of the property, to which we will delegate the mapping.
String delegatePropertyName;
// Checking if the property name doesn't reference a collection in a component - then the name will containa a .
int dotIndex = referencingPropertyName.IndexOf('.');
if (dotIndex != -1)
{
// Computing the name of the component
String componentName = referencingPropertyName.Substring(0, dotIndex);
// And the name of the property in the component
String propertyInComponentName = MappingTools.createComponentPrefix(componentName)
+ referencingPropertyName.Substring(dotIndex + 1);
// We need to get the mapper for the component.
referencingPropertyName = componentName;
// As this is a component, we delegate to the property in the component.
delegatePropertyName = propertyInComponentName;
}
else
{
// If this is not a component, we delegate to the same property.
delegatePropertyName = referencingPropertyName;
}
IPropertyMapper mapper = Properties[propertyDatas[referencingPropertyName]];
if (mapper != null)
{
return(mapper.MapCollectionChanges(delegatePropertyName, newColl, oldColl, id));
}
else
{
return(null);
}
}
