| /* |
| * 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.directory.server.component.hub.listener; |
| |
| |
| import org.apache.directory.server.component.ADSComponent; |
| import org.apache.felix.ipojo.Factory; |
| import org.apache.felix.ipojo.architecture.Architecture; |
| |
| |
| /** |
| * Interface for the classes those want to be notified of ComponentHub. |
| * Listeners can bind themselves using ComponentHub.registerListener() method, |
| * and can remove themselves using ComponentHub.removeListener() method. |
| * TODO HubListener. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public interface HubListener |
| { |
| /** |
| * Notified when a new factory is sniffed by Hub. |
| * |
| * @param factory arriving factory |
| */ |
| public void onFactoryArrival( Factory factory ); |
| |
| |
| /** |
| * Notified when a factory leaving the container. |
| * |
| * @param factory departuring factory |
| */ |
| public void onFactoryDeparture( Factory factory ); |
| |
| |
| /** |
| * Notified when a new ADSComponent is created. |
| * Listener can change the newly created ADSComponent by returning changed ADSComponent.(Be cautious) |
| * |
| * @param component newly created ADSComponent |
| * @return the overrided version of the ADSComponent or null if no change is intended. |
| */ |
| public ADSComponent onComponentCreation( ADSComponent component ); |
| |
| |
| /** |
| * Notified when a new ADSComponent is about to be disposed. |
| * Called before component disposal begins. |
| * |
| * @param component disposing created ADSComponent |
| * @return the overrided version of the ADSComponent or null if no change is intended. |
| */ |
| public void onComponentDeletion( ADSComponent component ); |
| |
| } |