| /* |
| * Copyright 2006 The Apache Software Foundation |
| * |
| * 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.apache.felix.dependencymanager; |
| |
| import java.util.Dictionary; |
| |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.framework.ServiceRegistration; |
| |
| /** |
| * A wrapper around a service registration that blocks until the |
| * service registration is available. |
| * |
| * @author Marcel Offermans |
| */ |
| public class ServiceRegistrationImpl implements ServiceRegistration { |
| private ServiceRegistration m_registration; |
| |
| public ServiceRegistrationImpl() { |
| m_registration = null; |
| } |
| |
| public ServiceReference getReference() { |
| ensureRegistration(); |
| return m_registration.getReference(); |
| } |
| |
| public void setProperties(Dictionary dictionary) { |
| ensureRegistration(); |
| m_registration.setProperties(dictionary); |
| } |
| |
| public void unregister() { |
| ensureRegistration(); |
| m_registration.unregister(); |
| } |
| |
| public boolean equals(Object obj) { |
| ensureRegistration(); |
| return m_registration.equals(obj); |
| } |
| |
| public int hashCode() { |
| ensureRegistration(); |
| return m_registration.hashCode(); |
| } |
| |
| public String toString() { |
| ensureRegistration(); |
| return m_registration.toString(); |
| } |
| |
| private synchronized void ensureRegistration() { |
| while (m_registration == null) { |
| try { |
| wait(); |
| } |
| catch (InterruptedException ie) { |
| // we were interrupted so hopefully we will now have a |
| // service registration ready; if not we wait again |
| } |
| } |
| } |
| |
| void setServiceRegistration(ServiceRegistration registration) { |
| m_registration = registration; |
| synchronized (this) { |
| notifyAll(); |
| } |
| } |
| } |