net.java.trueupdate.manager.spec.cmd

Class CompositeCommand

java.lang.Object

net.java.trueupdate.manager.spec.cmd.CompositeCommand

All Implemented Interfaces:

Command

public final class CompositeCommand
extends Object
implements Command

A composite command.

Author:

Christian Schlichtherle

Constructor Summary

Constructors

Constructor and Description
CompositeCommand(Command... commands)

Method Summary

Modifier and Type	Method and Description
void	perform() Performs this command, thereby creating some durable side effects.
void	revert() Reverts any durable side effects of the Command.perform() method.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeCommand

public CompositeCommand(Command... commands)

Method Detail

perform

public void perform()
             throws Exception

Description copied from interface: Command

Performs this command, thereby creating some durable side effects. If this method throws an exception, then Command.revert() must get called.

Specified by:

perform in interface Command

Throws:

Exception

revert

public void revert()
            throws Exception

Description copied from interface: Command

Reverts any durable side effects of the Command.perform() method. If this method fails with an exception, then the state of the system may be corrupted.

Specified by:

revert in interface Command

Throws:

Exception