org.parallelj.launching.transport.jmx.JmxCommands Maven / Gradle / Ivy
/*
* ParallelJ, framework for parallel computing
*
* Copyright (C) 2010, 2011, 2012 Atos Worldline or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.parallelj.launching.transport.jmx;
import java.util.HashMap;
import java.util.Map;
import java.util.ServiceLoader;
/**
* Entry point for all available commands for remote launching using Jmx
*
*/
public final class JmxCommands {
/**
* Available commands
*/
private final Map commands = new HashMap();
/**
* The instance of JmxCommands
*/
private static JmxCommands instance = new JmxCommands();
/**
* Default constructor
*/
private JmxCommands() {
// Search for available commands
ServiceLoader loader = ServiceLoader.load(JmxCommand.class, JmxCommands.class.getClassLoader());
if (loader==null || loader.iterator()==null || !loader.iterator().hasNext()) {
loader = ServiceLoader.load(JmxCommand.class, Thread.currentThread().getContextClassLoader());
}
for (JmxCommand command:loader) {
this.commands.put(command.getType(), command);
}
}
/**
* Get the available commands
*
* @return a Map of all available JmxCommand
*/
public static Map getCommands() {
return instance.commands;
}
}