public EntityUniqueKey(String entityName,
    String uniqueKeyName,
    Object semiResolvedKey,
    Type keyType,
    EntityMode entityMode,
    SessionFactoryImplementor factory) 
{
		this.uniqueKeyName = uniqueKeyName;
		this.entityName = entityName;
		this.key = semiResolvedKey;
		this.keyType = keyType.getSemiResolvedType(factory);
		this.entityMode = entityMode;
		this.hashCode = generateHashCode(factory);
}

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

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

 public boolean equals(Object other) 
{
		EntityUniqueKey that = (EntityUniqueKey) other;
		return that.entityName.equals(entityName) &&
		       that.uniqueKeyName.equals(uniqueKeyName) &&
		       keyType.isEqual(that.key, key, entityMode);
}

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

 public String getEntityName() 
{
		return entityName;
}

 public Object getKey() 
{
		return key;
}

 public String getUniqueKeyName() 
{
		return uniqueKeyName;
}

 public int hashCode() 
{
		return hashCode;
}

  void serialize(ObjectOutputStream oos) throws IOException 
{
		checkAbilityToSerialize();
		oos.writeObject( uniqueKeyName );
		oos.writeObject( entityName );
		oos.writeObject( key );
		oos.writeObject( keyType );
		oos.writeObject( entityMode );
}

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

 public String toString() 
{
		return "EntityUniqueKey" + MessageHelper.infoString(entityName, uniqueKeyName, key);
}