/***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.cayenne.rop; import java.io.IOException; import java.io.InputStream; /** * ROP network connectivity interface. * * @since 4.0 */ public interface ROPConnector { /** * Establishes a dedicated session with Cayenne DataChannel, returning session id. */ InputStream establishSession() throws IOException; /** * Creates a new session with the specified or joins an existing one. This method is * used to bootstrap collaborating clients of a single "group chat". */ InputStream establishSharedSession(String sharedSessionName) throws IOException; /** * Processes message on a remote server, returning the result of such processing. */ InputStream sendMessage(byte[] message) throws IOException; /** * Close all resources related to ROP Connector. */ void close() throws IOException; }