public object GetObjectToSerialize(object obj, Type targetType)
{
// Serialize proxies as the base type
if (obj is INHibernateProxy)
{
// Getting the implementation of the proxy forces an initialization of the proxied object (if not yet initialized)
try
{
var newobject = ((INHibernateProxy)obj).HibernateLazyInitializer.GetImplementation();
obj = newobject;
}
catch (Exception)
{
// Type test = NHibernateProxyHelper.GetClassWithoutInitializingProxy(obj);
obj = null;
}
}
// Serialize persistent collections as the collection interface type
if (obj is IPersistentCollection)
{
IPersistentCollection persistentCollection = (IPersistentCollection)obj;
persistentCollection.ForceInitialization();
//obj = persistentCollection.Entries(); // This returns the "wrapped" collection
obj = persistentCollection.Entries(null); // This returns the "wrapped" collection
}
return(obj);
}
private static void PrepareCollectionForUpdate(IPersistentCollection collection, CollectionEntry entry, ISessionFactoryImplementor factory)
{
//1. record the collection role that this collection is referenced by
//2. decide if the collection needs deleting/creating/updating (but don't actually schedule the action yet)
if (entry.IsProcessed)
{
throw new AssertionFailure("collection was processed twice by flush()");
}
entry.IsProcessed = true;
ICollectionPersister loadedPersister = entry.LoadedPersister;
ICollectionPersister currentPersister = entry.CurrentPersister;
if (loadedPersister != null || currentPersister != null)
{
// it is or was referenced _somewhere_
bool ownerChanged = loadedPersister != currentPersister ||
!currentPersister.KeyType.IsEqual(entry.LoadedKey, entry.CurrentKey, factory);
if (ownerChanged)
{
// do a check
bool orphanDeleteAndRoleChanged = loadedPersister != null &&
currentPersister != null && loadedPersister.HasOrphanDelete;
if (orphanDeleteAndRoleChanged)
{
throw new HibernateException("Don't change the reference to a collection with cascade=\"all-delete-orphan\": " + loadedPersister.Role);
}
// do the work
if (currentPersister != null)
{
entry.IsDorecreate = true; // we will need to create new entries
}
if (loadedPersister != null)
{
entry.IsDoremove = true; // we will need to remove ye olde entries
if (entry.IsDorecreate)
{
log.Debug("Forcing collection initialization");
collection.ForceInitialization(); // force initialize!
}
}
}
else if (collection.IsDirty)
{
// else if it's elements changed
entry.IsDoupdate = true;
}
}
}
//1. record the collection role that this collection is referenced by
//2. decide if the collection needs deleting/creating/updating (but don't actually schedule the action yet)
private static void PrepareCollectionForUpdate(IPersistentCollection coll, CollectionEntry entry)
{
if (entry.IsProcessed)
throw new AssertionFailure("collection was processed twice by flush()");
entry.IsProcessed = true;
ICollectionPersister loadedPersister = entry.LoadedPersister;
ICollectionPersister currentPersister = entry.CurrentPersister;
if (loadedPersister != null || currentPersister != null)
{
// it is or was referenced _somewhere_
bool ownerChanged = loadedPersister != currentPersister ||
!currentPersister.KeyType.IsEqual(entry.LoadedKey, entry.CurrentKey, EntityMode.Poco);
if (ownerChanged)
{
// do a check
bool orphanDeleteAndRoleChanged = loadedPersister != null &&
currentPersister != null && loadedPersister.HasOrphanDelete;
if (orphanDeleteAndRoleChanged)
{
throw new HibernateException("Don't change the reference to a collection with cascade=\"all-delete-orphan\": " + loadedPersister.Role);
}
// do the work
if (currentPersister != null)
{
entry.IsDorecreate = true; // we will need to create new entries
}
if (loadedPersister != null)
{
entry.IsDoremove = true; // we will need to remove ye olde entries
if (entry.IsDorecreate)
{
log.Debug("Forcing collection initialization");
coll.ForceInitialization(); // force initialize!
}
}
}
else if (coll.IsDirty)
{
// else if it's elements changed
entry.IsDoupdate = true;
}
}
}
