stream.shell.Shutdown Maven / Gradle / Ivy
/*
* streams library
*
* Copyright (C) 2011-2014 by Christian Bockermann, Hendrik Blom
*
* streams is a library, API and runtime environment for processing high
* volume data streams. It is composed of three submodules "stream-api",
* "stream-core" and "stream-runtime".
*
* The streams library (and its submodules) is free software: you can
* redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* The stream.ai library (and its submodules) is distributed in the hope
* that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package stream.shell;
import stream.DebugShell;
import stream.runtime.Controller;
/**
* @author chris
*
*/
public class Shutdown extends Command {
public Shutdown(DebugShell shell) {
super(shell);
}
/**
* @see stream.shell.Command#execute(java.lang.String[],
* java.io.PrintStream)
*/
@Override
public String execute(String[] args) {
String container = args[0];
println("Shutdown requested for container '" + container + "'");
try {
Controller ctrl = shell.getNamingService().lookup(
"//" + container + "/.ctrl", Controller.class);
ctrl.shutdown();
} catch (Exception e) {
println("Error: " + e.getMessage());
println("");
}
return "";
}
}