Undo (Interacto Java API 4.0 API)

java.lang.Object
- io.github.interacto.command.CommandImpl
- - io.github.interacto.command.library.Undo

All Implemented Interfaces:

Command
```
public class Undo
extends CommandImpl
```
A command that undoes a command.

Author:

Arnaud BLOUIN

Nested Class Summary
- Nested classes/interfaces inherited from interface io.github.interacto.command.Command
  Command.CmdStatus, Command.RegistrationPolicy

Field Summary
- Fields inherited from class io.github.interacto.command.CommandImpl
  status

Constructor Summary

Constructors
Constructor Description

Undo()
Initialises an Undo command.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`canDo()`	Checks whether the command can be executed.
`protected void`	`doCmdBody()`	This method contains the statements to execute the command.

Methods inherited from class io.github.interacto.command.CommandImpl
cancel, createMemento, doIt, done, flush, getRegistrationPolicy, getStatus, hadEffect, isDone, toString, unregisteredBy

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - Undo
```
public Undo()
```
    Initialises an Undo command.
- Method Detail
  - canDo
```
public boolean canDo()
```
    Description copied from interface: Command
    
    Checks whether the command can be executed.
    
    Specified by:
    
    canDo in interface Command
    
    Overrides:
    
    canDo in class CommandImpl
    
    Returns:
    
    True if the command can be executed.
  - doCmdBody
```
protected void doCmdBody()
```
    Description copied from class: CommandImpl
    
    This method contains the statements to execute the command. This method is automatically called by DoIt and must not be called explicitly.
    
    Specified by:
    
    doCmdBody in class CommandImpl