| /* |
| * 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. |
| */ |
| package org.apache.felix.dependencymanager; |
| |
| /** |
| * This interface can be used to register a service state listener. Service |
| * state listeners are called whenever a service state changes. You get notified |
| * when the service is starting, started, stopping and stopped. Each callback |
| * includes a reference to the service in question. |
| * |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public interface ServiceStateListener { |
| /** |
| * Called when the service is starting. At this point, the required |
| * dependencies have been injected, but the service has not been registered |
| * yet. |
| * |
| * @param service the service |
| */ |
| public void starting(Service service); |
| |
| /** |
| * Called when the service is started. At this point, the service has been |
| * registered. |
| * |
| * @param service the service |
| */ |
| public void started(Service service); |
| |
| /** |
| * Called when the service is stopping. At this point, the service is still |
| * registered. |
| * |
| * @param service the service |
| */ |
| public void stopping(Service service); |
| |
| /** |
| * Called when the service is stopped. At this point, the service has been |
| * unregistered. |
| * |
| * @param service the service |
| */ |
| public void stopped(Service service); |
| } |