| /* |
| * 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.tuscany.sca.extensibility; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.Enumeration; |
| import java.util.Map; |
| |
| /** |
| * Service declaration using J2SE Jar service provider spec Classes specified |
| * inside this declaration are loaded using the ClassLoader used to read the |
| * configuration file corresponding to this declaration. |
| * |
| * @version $Rev$ $Date$ |
| * @tuscany.spi.extension.asclient |
| */ |
| public interface ServiceDeclaration { |
| /** |
| * Load a java class in the same context as the service definition |
| * @param className The class name |
| * @return The loaded class |
| * @throws ClassNotFoundException |
| */ |
| Class<?> loadClass(String className) throws ClassNotFoundException; |
| |
| /** |
| * Get the java class for the service impl |
| * @return The java class |
| */ |
| Class<?> loadClass() throws ClassNotFoundException; |
| |
| /** |
| * Get all attributes (name=value pairs) defined for the given entry |
| * @return All attributes keyed by name |
| */ |
| Map<String, String> getAttributes(); |
| |
| /** |
| * Check if the service implementation class is a type of the service |
| * @param serviceType The java class of the service SPI |
| * @return true if the implementation class is a type of the service |
| */ |
| boolean isAssignableTo(Class<?> serviceType); |
| |
| URL getLocation(); |
| |
| /** |
| * Return the class name for the service provider |
| * @return |
| */ |
| String getClassName(); |
| |
| URL getResource(String name); |
| Enumeration<URL> getResources(String name) throws IOException; |
| |
| /** |
| * The service descriptor might be hashed |
| * @param obj Another object |
| * @return |
| */ |
| boolean equals(Object obj); |
| /** |
| * The service descriptor might be hashed |
| * @return |
| */ |
| int hashCode(); |
| } |