blob: bd49d0d9c418d352ead03d1301ff83cb2929bde3 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* $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 $
*
* Copyright (c) OSGi Alliance (2006). All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// This document is an experimental draft to enable interoperability
// between bundle repositories. There is currently no commitment to
// turn this draft into an official specification.
package org.apache.felix.bundlerepository;
/**
* A named requirement specifies the need for certain capabilities with the same
* name.
*
* A requirement is said to be satisfied by a capability if and only if:
* <ul>
* <li>they have the same nsame</li>
* <li>the filter matches the capability properties</li>
* </ul>
*
* @version $Revision: 1.4 $
*/
public interface Requirement
{
/**
* Return the name of the requirement.
*/
String getName();
/**
* Return the filter.
*/
String getFilter();
boolean isMultiple();
boolean isOptional();
boolean isExtend();
String getComment();
/**
* Check if the given capability satisfied this requirement.
*
* @param capability the capability to check
* @return <code>true</code> is the capability satisfies this requirement, <code>false</code> otherwise
*/
boolean isSatisfied(Capability capability);
}