| /** |
| * 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.cxf.dosgi.topologymanager.util; |
| |
| /** |
| * Callback interface for notifications of services that are |
| * added to or removed from tracking by a {@link SimpleServiceTracker}. |
| * |
| * @param <T> the service interface type |
| */ |
| public interface SimpleServiceTrackerListener<T> { |
| |
| /** |
| * Called when a new service is added to the tracked services. |
| * |
| * @param service the newly added service |
| */ |
| void added(T service); |
| |
| /** |
| * Called when a service is removed from the tracked services. |
| * |
| * @param service the removed service |
| */ |
| void removed(T service); |
| } |