001 /* 002 * $Header: /cvshome/build/org.osgi.service.obr/src/org/osgi/service/obr/Requirement.java,v 1.4 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 /** 025 * A named requirement specifies the need for certain capabilities with the same 026 * name. 027 * 028 * @version $Revision: 1.4 $ 029 */ 030 public interface Requirement 031 { 032 033 /** 034 * Return the name of the requirement. 035 */ 036 String getName(); 037 038 /** 039 * Return the filter. 040 * 041 */ 042 String getFilter(); 043 044 boolean isMultiple(); 045 046 boolean isOptional(); 047 048 boolean isExtend(); 049 050 String getComment(); 051 052 boolean isSatisfied(Capability capability); 053 }