public CollectionKey(CollectionPersister persister,
    Serializable key,
    EntityMode em) 
{
		this( persister.getRole(), key, persister.getKeyType(), em, persister.getFactory() );
}

 static CollectionKey deserialize(ObjectInputStream ois,
    SessionImplementor session) throws ClassNotFoundException, IOException 
{
		return new CollectionKey(
				( String ) ois.readObject(),
		        ( Serializable ) ois.readObject(),
		        ( Type ) ois.readObject(),
		        EntityMode.parse( ( String ) ois.readObject() ),
		        session.getFactory()
		);
}

Custom deserialization routine used during deserialization of a Session/PersistenceContext for increased performance.

 public boolean equals(Object other) 
{
		CollectionKey that = (CollectionKey) other;
		return that.role.equals(role) &&
		       keyType.isEqual(that.key, key, entityMode, factory);
}

 public int generateHashCode() 
{
		int result = 17;
		result = 37 * result + role.hashCode();
		result = 37 * result + keyType.getHashCode(key, entityMode, factory);
		return result;
}

 public Serializable getKey() 
{
		return key;
}

 public String getRole() 
{
		return role;
}

 public int hashCode() 
{
		return hashCode;
}

  void serialize(ObjectOutputStream oos) throws IOException 
{
		oos.writeObject( role );
		oos.writeObject( key );
		oos.writeObject( keyType );
		oos.writeObject( entityMode.toString() );
}

Custom serialization routine used during serialization of a Session/PersistenceContext for increased performance.

 public String toString() 
{
		return "CollectionKey" +
		       MessageHelper.collectionInfoString( factory.getCollectionPersister(role), key, factory );
}