| /* |
| * Copyright (c) OSGi Alliance (2008, 2009). All Rights Reserved. |
| * |
| * 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.osgi.service.blueprint.reflect; |
| |
| /** |
| * Metadata for a reference listener interested in the reference bind and unbind |
| * events for a service reference. |
| * |
| * @ThreadSafe |
| * @version $Revision: 792499 $ |
| */ |
| public interface ReferenceListener { |
| |
| /** |
| * Return the Metadata for the component that will receive bind and unbind |
| * events. |
| * |
| * This is specified by the <code>ref</code> attribute or via an inlined |
| * component. |
| * |
| * @return The Metadata for the component that will receive bind and unbind |
| * events. |
| */ |
| Target getListenerComponent(); |
| |
| /** |
| * Return the name of the bind method. The bind method will be invoked when |
| * a matching service is bound to the reference. |
| * |
| * This is specified by the <code>bind-method</code> attribute of the |
| * reference listener. |
| * |
| * @return The name of the bind method. |
| */ |
| String getBindMethod(); |
| |
| /** |
| * Return the name of the unbind method. The unbind method will be invoked |
| * when a matching service is unbound from the reference. |
| * |
| * This is specified by the <code>unbind-method</code> attribute of the |
| * reference listener. |
| * |
| * @return The name of the unbind method. |
| */ |
| String getUnbindMethod(); |
| } |