/*
* 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.sshd.server;
import java.io.IOException;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public interface CommandLifecycle {
/**
* Starts the command execution. All streams must have been set <U>before</U>
* calling this method. The command should implement {@link java.lang.Runnable},
* and this method should spawn a new thread like:
* <pre>
* {@code Thread(this).start(); }
* </pre>
*
* @param env The {@link Environment}
* @throws IOException If failed to start
*/
void start(Environment env) throws IOException;
/**
* This method is called by the SSH server to destroy the command because
* the client has disconnected somehow.
*
* @throws Exception if failed to destroy
*/
void destroy() throws Exception;
}