| /******************************************************************************* |
| * Copyright (c) 2010, 2017 IBM Corporation and others. |
| * 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.osgi.internal.serviceregistry; |
| |
| import org.osgi.framework.ServiceRegistration; |
| |
| /** |
| * A callable hook that contains the context for call a collection of hooks. |
| * This is effectively a "closure" for calling each hook. The hook context |
| * must know the type of the hook object, the method to call on the hook |
| * as well as all the parameters which need to be passed to the hook method. |
| * |
| */ |
| public interface HookContext { |
| |
| /** |
| * Call the specified hook. |
| * |
| * @param hook The hook object to call. The hook object must be of the type |
| * supported by this hook context. If it is not, then this method will |
| * simply return. |
| * @param hookRegistration the registration for the hook object |
| * @throws Exception An exception thrown by the hook object. |
| */ |
| public void call(Object hook, ServiceRegistration<?> hookRegistration) throws Exception; |
| |
| /** |
| * Return the class name of the hook type supported by this hook context. |
| * |
| * @return The class name of the hook type supported by this hook context. |
| */ |
| public String getHookClassName(); |
| |
| /** |
| * Return the hook method name called by this hook context. |
| * |
| * @return The hook method name called by this hook context. |
| */ |
| public String getHookMethodName(); |
| |
| /** |
| * Returns true if the given registration should be skipped. |
| * @param hookRegistration the registration to check |
| * @return true if the given registration should be skipped. |
| */ |
| public boolean skipRegistration(ServiceRegistration<?> hookRegistration); |
| } |