2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.concepts;
10 import java.io.Serializable;
13 * General identifier interface. It is primarily a marker for all things that
14 * identify concepts -- such as names, addresses, classes, etc. We do not
15 * require too much, just that the identifiers are serializable (and this
18 * Implementations are expected to implement hashCode() and equals() methods
19 * in a way, which ensures that objects before and after serialization are
22 * Implementations are advised to use the Externalizable Proxy pattern to
23 * allow future evolution of their serialization format.
25 public interface Identifier extends Serializable, Immutable {
27 boolean equals(Object o);