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;
21 * Represents an interface provided by a component.
22 * Different component objects should never share ProvidedInterface instances!
24 * @author Erik Brakkee
26 public interface ProvidedInterface {
29 * Symbolic name for the service as used by the subsystem.
30 * @return Service name.
35 * Returns the service type.
36 * @return Service type.
38 Class[] getInterfaceTypes();
41 * Gets the unique if of the provided interface.
46 * Publishes an implementation of the interface. The implementation must
47 * call {@link Scope#publishInterface(ProvidedInterface, Object)} to publish the
48 * interface implementation in a given scope.
49 * @param aImplementation Implementation to publish.
50 * @param aScope Scope in which to publish the implementation.
52 void publish(Object aImplementation, Scope aScope);