| /* |
| * Copyright 1999,2004-2006 The Apache Software Foundation. |
| * |
| * 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 org.apache.catalina.tribes.tipis; |
| |
| import java.io.Serializable; |
| |
| import org.apache.catalina.tribes.Member; |
| |
| /** |
| * The RpcCallback interface is an interface for the Tribes channel to request a |
| * response object to a request that came in. |
| * @author not attributable |
| * @version 1.0 |
| */ |
| public interface RpcCallback { |
| |
| /** |
| * |
| * @param msg Serializable |
| * @return Serializable - null if no reply should be sent |
| */ |
| public Serializable replyRequest(Serializable msg, Member sender); |
| |
| /** |
| * If the reply has already been sent to the requesting thread, |
| * the rpc callback can handle any data that comes in after the fact. |
| * @param msg Serializable |
| * @param sender Member |
| */ |
| public void leftOver(Serializable msg, Member sender); |
| |
| } |