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.  
022    package org.osgi.service.obr;
023    
024    public 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    }