001/*
002 * $Header: /cvshome/build/org.osgi.service.obr/src/org/osgi/service/obr/Resolver.java,v 1.3 2006/03/16 14:56:17 hargrave Exp $
003 *
004 * Copyright (c) OSGi Alliance (2006). All Rights Reserved.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *      http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019// This document is an experimental draft to enable interoperability
020// between bundle repositories. There is currently no commitment to 
021// turn this draft into an official specification.  
022package org.osgi.service.obr;
023
024public interface Resolver
025{
026
027    void add(Resource resource);
028
029    Requirement[] getUnsatisfiedRequirements();
030
031    Resource[] getOptionalResources();
032
033    Requirement[] getReason(Resource resource);
034
035    Resource[] getResources(Requirement requirement);
036
037    Resource[] getRequiredResources();
038
039    Resource[] getAddedResources();
040
041    boolean resolve();
042
043    void deploy(boolean start);
044}