Originator

java.lang.Object

Behavioral.Memento.Originator

public class Originator extends Object

The Originator class creates and restores Memento objects.

Constructor Summary

Constructors

Constructor

Description

Originator()

Default constructor for Originator.
Method Summary

Modifier and Type

Method

Description

Memento

createMemento()

Creates a Memento containing the current state.

String

getState()

Retrieves the current state of the Originator.

void

restoreMemento(Memento memento)

Restores the state from a given Memento.

void

setState(String state)

Sets the state of the Originator.

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

Constructor Details
- Originator
  
  public Originator()
  
  Default constructor for Originator.
Method Details
- setState
  
  public void setState(String state)
  
  Sets the state of the Originator.
  
  Parameters:
  
  state - The new state.
- getState
  
  public String getState()
  
  Retrieves the current state of the Originator.
  
  Returns:
  
  The current state as a string.
- createMemento
  
  public Memento createMemento()
  
  Creates a Memento containing the current state.
  
  Returns:
  
  A new Memento instance with the current state.
- restoreMemento
  
  public void restoreMemento(Memento memento)
  
  Restores the state from a given Memento.
  
  Parameters:
  
  memento - The Memento to restore from.