/**
* 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 backtype.storm.messaging;
public interface IConnection {
/**
* receive a message (consists taskId and payload)
* @param flags 0: block, 1: non-block
* @return
*/
public TaskMessage recv(int flags);
/**
* send a message with taskId and payload
* @param taskId task ID
* @param payload
*/
public void send(int taskId, byte[] payload);
/**
* close this connection
*/
public void close();
}