org.apache.whirr.command
Class Command

java.lang.Object
  org.apache.whirr.command.Command

Direct Known Subclasses:

AbstractClusterCommand, HelpCommand, VersionCommand

public abstract class Command
extends Object

A CLI command.

Constructor Summary

Command(String name, String description)

Method Summary

String	getDescription()
String	getName()
abstract void	printUsage(PrintStream stream)
abstract int	run(InputStream in, PrintStream out, PrintStream err, List<String> args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Command

public Command(String name,
               String description)

Method Detail

getName

public String getName()

getDescription

public String getDescription()

run

public abstract int run(InputStream in,
                        PrintStream out,
                        PrintStream err,
                        List<String> args)
                 throws Exception

Throws:

Exception

printUsage

public abstract void printUsage(PrintStream stream)
                         throws IOException

Throws:

IOException