2 * Copyright 2007 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.system.core;
18 import java.util.Collection;
22 * Represents an interface provided by a component.
23 * Different component objects should never share ProvidedInterface instances!
25 * @author Erik Brakkee
27 public interface ProvidedInterface extends NamedInterface {
29 * Returns the service type.
31 * @return Service type.
33 Class[] getInterfaceTypes();
36 * Determines whether the current provided interface exceeds the
37 * given provided interface. In other words if it can provide at least
38 * what the given provided interface can provide.
40 * @param aInterface Interface to compare to.
42 * @return True if the current interface exceeds the given provided
45 boolean covers(ProvidedInterface aInterface);