ReturnOption

java.lang.Object

javatro.manager.options.ReturnOption

All Implemented Interfaces:: Option

public class ReturnOption extends Object implements Option

Enables navigation back to the previous screen in the view stack. Maintains screen history using a last-in-first-out navigation model.

Constructor Summary

Constructors

Constructor

Description

ReturnOption()
Method Summary

Modifier and Type

Method

Description

void

execute()

Executes the command.

String

getDescription()

Retrieves a description of the command.

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

Methods inherited from interface javatro.manager.options.Option
setDescription

Constructor Details
- ReturnOption
  
  public ReturnOption()
Method Details
- getDescription
  
  public String getDescription()
  
  Retrieves a description of the command. This method has a default implementation returning an empty string.
  
  Specified by:
  
  getDescription in interface Option
  
  Returns:
  
  Constant description "Return To Previous Screen"
- execute
  
  public void execute() throws JavatroException
  
  Executes the command. Implementing classes must define specific behavior. Restores the application display to the previous screen state.
  
  Specified by:
  
  execute in interface Option
  
  Throws:
  
  JavatroException - if screen history is unavailable