| /* | |
| * Copyright 1999-2012 Alibaba Group. | |
| * | |
| * Licensed 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 com.alibaba.dubbo.examples.callback.api; | |
| /** | |
| * CallbackService | |
| * | |
| * @author william.liangf | |
| */ | |
| public interface CallbackService { | |
| void addListener(String key, CallbackListener listener); | |
| } |