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/*******************************************************************************
* Copyright (c) 2003, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.framework.adaptor;
import org.osgi.framework.*;
/**
* The ServiceRegistry interface is used by the framework to store and
* lookup currently registered services.
* <p>
* Clients may implement this interface.
* </p>
* @since 3.1
*/
public interface ServiceRegistry {
/**
* Publishes a service to this ServiceRegistry.
* @param context the BundleContext that registered the service.
* @param serviceReg the ServiceRegistration to register.
*/
public void publishService(BundleContext context, ServiceRegistration serviceReg);
/**
* Unpublishes a service from this ServiceRegistry
* @param context the BundleContext that registered the service.
* @param serviceReg the ServiceRegistration to unpublish.
*/
public void unpublishService(BundleContext context, ServiceRegistration serviceReg);
/**
* Unpublishes all services from this ServiceRegistry that the
* specified BundleContext registered.
* @param context the BundleContext to unpublish all services for.
*/
public void unpublishServices(BundleContext context);
/**
* Performs a lookup for ServiceReferences that are bound to this
* ServiceRegistry. If both clazz and filter are null then all bound
* ServiceReferences are returned.
* @param clazz A fully qualified class name. All ServiceReferences that
* reference an object that implement this class are returned. May be
* null.
* @param filter Used to match against published Services. All
* ServiceReferences that match the filter are returned. If a clazz is
* specified then all ServiceReferences that match the clazz and the
* filter parameter are returned. May be null.
* @return An array of all matching ServiceReferences or null
* if none exist.
*/
public ServiceReference[] lookupServiceReferences(String clazz, Filter filter);
/**
* Performs a lookup for ServiceReferences that are bound to this
* ServiceRegistry using the specified BundleContext.
* @param context The BundleContext to lookup the ServiceReferences on.
* @return An array of all matching ServiceReferences or null if none
* exist.
*/
public ServiceReference[] lookupServiceReferences(BundleContext context);
}
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