public IEntity GetOrCreateEntity(object[] sources)
{
if (sources == null || sources.Count() == 0)
{
return(null);
}
//sources represent the full inheritance hierarchy required to create the instance.
//eg: Lawyer will have instanced of the table entities: lawyer, professional, user.
IntermediateEntity intermediateEntity = null;
var last = sources.Length - 1;
for (int i = last; i >= 0; i--)
{
ITableEntity src = sources[i] as ITableEntity;
if (src._getIntermediateEntity() == null)
{
intermediateEntity = i == last?Activator.CreateInstance(classMappings[i].IntermediateEntityType, new object[] { sources[i] }) as IntermediateEntity
: Activator.CreateInstance(classMappings[i].IntermediateEntityType, new object[] { sources[i], intermediateEntity }) as IntermediateEntity;
entityContext.AttachContext(intermediateEntity);
src._setIntermediateEntity(intermediateEntity);
}
else
{
intermediateEntity = src._getIntermediateEntity();
}
}
//See if the type has a TypeFactory. If so, it decides which Type to instantiate.
IEntity entity = Activator.CreateInstance(classMappings[0].EntityType, new object[] { intermediateEntity }) as IEntity;
//If there is a type factory, allow the typefactory to suggest the type to create (or recreate).
var typeFactory = entityContext._InternalServices.TypeTranslationUtil.GetTypeFactory(entityType);
if (typeFactory != null)
{
var typeToConstruct = typeFactory.GetTypeOf(entity);
if (typeToConstruct != null)
{
entity = Activator.CreateInstance(typeToConstruct) as IEntity;
MethodFinder.IEntity._setIntermediateEntity(typeToConstruct).Invoke(entity, new object[] { intermediateEntity });
}
}
return(entity);
}