001/*
002 * (C) Copyright 2006-2008 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     bstefanescu
016 *
017 * $Id$
018 */
019
020package org.nuxeo.runtime.contribution;
021
022import java.util.Set;
023
024/**
025 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
026 */
027public interface Contribution<K, T> extends Iterable<T> {
028
029    ContributionRegistry<K, T> getRegistry();
030
031    K getId();
032
033    Set<Contribution<K, T>> getDependencies();
034
035    Set<Contribution<K, T>> getDependents();
036
037    Set<Contribution<K, T>> getUnresolvedDependencies();
038
039    void addFragment(T fragment, K... superKeys);
040
041    boolean removeFragment(T fragment);
042
043    T getValue();
044
045    int size();
046
047    boolean isEmpty();
048
049    T getFragment(int index);
050
051    boolean isResolved();
052
053    boolean isPhantom();
054
055    boolean isRegistered();
056
057    void unregister();
058
059    void resolve();
060
061    void unresolve();
062
063}