classes.container.state
Class ShapeContainerEmptyState

java.lang.Object
  interfaces.CommandColleague
      classes.container.state.ShapeContainerEmptyState

All Implemented Interfaces:

IShapeContainerState

public class ShapeContainerEmptyState
extends CommandColleague
implements IShapeContainerState

Performs the operations based on the empty state of the container

Version:

1.0, 22-Mar-07

Author:

Prathab, Mukesh

See Also:

ShapeContainer, IShapeContainerState

Field Summary

Fields inherited from class interfaces.CommandColleague

commandMediator

Method Summary

boolean	addShape(ShapeContainerContext shapeContainerContext, IShape shape) Adds the given shape to container based on the partial filled state
static ShapeContainerEmptyState	getInstance(ICommandMediator commandMediator) Creates the ShapeContainerFullState object and returns same object if it is already created (singleton).
boolean	removeShape(ShapeContainerContext shapeContainerContext, IShape shape) Removes the given shape from the container based on the partial filled state

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static ShapeContainerEmptyState getInstance(ICommandMediator commandMediator)

Creates the ShapeContainerFullState object and returns same object if it is already created (singleton).

Parameters:

commandMediator - mediator object to communicate with other objects

Returns:

Instance of ShapeContainerFullState object

addShape

public boolean addShape(ShapeContainerContext shapeContainerContext,
                        IShape shape)

Adds the given shape to container based on the partial filled state

Specified by:

addShape in interface IShapeContainerState

Parameters:

shapeContainerContext - shape container context which holds the details of the shape container

shape - shape to be added

Returns:

true if shape is added

See Also:

IShapeContainerState.addShape(classes.container.ShapeContainerContext, interfaces.IShape)

removeShape

public boolean removeShape(ShapeContainerContext shapeContainerContext,
                           IShape shape)

Removes the given shape from the container based on the partial filled state

Specified by:

removeShape in interface IShapeContainerState

Parameters:

shapeContainerContext - shape container context which holds the details of the shape container

shape - shape to be removed

Returns:

true if shape is removed

See Also:

IShapeContainerState.removeShape(classes.container.ShapeContainerContext, interfaces.IShape)