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;
18 import java.util.Collection;
21 * Represents an interface provided by a component.
23 * @author Erik Brakkee
25 public interface ProvidedInterface {
28 * Symbolic name for the service as used by the subsystem.
29 * @return Service name.
34 * Returns the service type.
35 * @return Service type.
37 Class[] getInterfaceTypes();
40 * Publish an implementation of the interface.
41 * @param aImplementation
43 void publish(Object aImplementation);
46 * Gets the implementation.
47 * @return Implementation or null if not started.
49 Object getImplementation();