| /******************************************************************************* |
| * Copyright (c) 2008, 2014 Stuart McCulloch |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Stuart McCulloch - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.sisu.peaberry; |
| |
| /** |
| * A service watcher can receive services provided by other registries. |
| * |
| * @author mcculls@gmail.com (Stuart McCulloch) |
| * |
| * @since 1.1 |
| */ |
| public interface ServiceWatcher<S> { |
| |
| /** |
| * Add the given service to this watcher. |
| * |
| * @param service imported service handle |
| * @return exported service handle, null if the watcher is not interested |
| */ |
| <T extends S> Export<T> add(Import<T> service); |
| } |
