ozonecompatibleorproxy.java

Java的面向对象数据库系统的源代码

// You can redistribute this software and/or modify it under the terms of
// the Ozone Library License version 1 published by ozone-db.org.
//
// The original code and portions created by SMB are
// Copyright (C) 1997-@year@ by SMB GmbH. All rights reserved.
//
// $Id: OzoneCompatibleOrProxy.java,v 1.3 2002/09/18 06:54:13 per_nyfelt Exp $

package org.ozoneDB;

import org.ozoneDB.core.ObjectID;

/**
	This interface marks classes which represent an {@link org.ozoneDB.OzoneObject}, either
	locally or remote.
	@author <A HREF="http://www.medium.net/">Medium.net</A>
*/
public interface OzoneCompatibleOrProxy {

    /**
      Returns the ObjectID of the represented ozone object. ObjectIDs are equal for equal
      ozone objects and different for different ozone objects. They are comparable, so that
      ozone objects may use {@link org.ozoneDB.core.ObjectID#compareTo(Object)} in comparison functions.
      <p>
        Currently, ObjectID exposes other methods than {@link org.ozoneDB.core.ObjectID#equals(Object)} and
        {@link org.ozoneDB.core.ObjectID#compareTo(Object)}. However, they should not be used, as ObjectIDs should
        be, apart from this method, opaque.
      </p>
     @return the ObjectID of the represented ozone object
    */
    public ObjectID getObjectID();
}