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/*
* Copyright (c) OSGi Alliance (2011). 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.
*/
package org.osgi.framework.resource;
import java.util.List;
/**
* A resource is the representation of a uniquely identified and typed data.
*
* A resources can be wired together via capabilities and requirements.
*
* @ThreadSafe
* @version $Id$
*/
public interface Resource {
/**
* Returns the capabilities declared by this resource.
*
* @param namespace
* The name space of the declared capabilities to return or
* {@code null} to return the declared capabilities from all name
* spaces.
* @return A list containing a snapshot of the declared {@link Capability}s,
* or an empty list if this resource declares no capabilities in the
* specified name space.
*/
List<Capability> getCapabilities(String namespace);
/**
* Returns the requirements declared by this bundle resource.
*
* @param namespace
* The name space of the declared requirements to return or
* {@code null} to return the declared requirements from all name
* spaces.
* @return A list containing a snapshot of the declared {@link Requirement}
* s, or an empty list if this resource declares no requirements in
* the specified name space.
*/
List<Requirement> getRequirements(String namespace);
}
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