001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Nuxeo - initial API and implementation
018 *
019 * $Id$
020 */
021
022package org.nuxeo.runtime.model;
023
024/**
025 * Defines an extensible object.
026 * <p>
027 * Extensible objects are accepting extensions through extension points. They provide methods for registering and
028 * unregistering extensions.
029 *
030 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
031 */
032public interface Extensible {
033
034    /**
035     * Registers the given extension.
036     *
037     * @param extension the extension to register
038     */
039    void registerExtension(Extension extension);
040
041    /**
042     * Unregisters the given extension.
043     *
044     * @param extension the extension to unregister
045     */
046    void unregisterExtension(Extension extension);
047
048}