org.jboss.hal.ballroom.form

Class SingletonStateMachine

java.lang.Object

org.jboss.hal.ballroom.form.AbstractStateMachine

org.jboss.hal.ballroom.form.SingletonStateMachine

All Implemented Interfaces:

StateMachine

public class SingletonStateMachine
extends AbstractStateMachine
implements StateMachine

A state machine for singleton resources. Supports all states and operations.

Please note: The singleton resource must be created outside the scope of this state machine. Once created the Form.Operation.VIEW operation is used to view the resource.

                   (0)----view()----+   +--------+
                                    |   |        |
     +---------remove()---------+   |   |      clear()
     |                          |   |   |      reset()
     |                       +--+---v---+--+     |
     |                       |             <-----+
     |       +-----view()---->  READONLY   |
     |       |               |             <-----+------+
  +--v-------+--+            +--+-------^--+     |      |
  |             |               |       |        |      |
  |    EMPTY    |            edit()  cancel()  save()   |
  |             |               |       |        |      |
  +-------------+            +--v-------+--+     |      |
                             |             |     |      |
                             |   EDITING   +-----+    clear()
                             |             |            |
                             +------+------+            |
                                    |                   |
                                    +-------------------+
 

(0) Initial states

Constructor Summary

Constructors

Constructor and Description
SingletonStateMachine()
SingletonStateMachine(EnumSet<Form.Operation> operations)

Method Summary

Modifier and Type	Method and Description
protected Form.State	initial()
protected String	name()
protected <C> void	safeExecute(Form.Operation operation, C context) The context is used for the Form.Operation.VIEW operation.

Methods inherited from class org.jboss.hal.ballroom.form.AbstractStateMachine

current, execute, reset, supports, supports

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.hal.ballroom.form.StateMachine

current, execute, execute, reset, supports, supports

Constructor Detail

SingletonStateMachine

public SingletonStateMachine()

SingletonStateMachine

public SingletonStateMachine(EnumSet<Form.Operation> operations)

Method Detail

initial

protected Form.State initial()

Specified by:

initial in class AbstractStateMachine

safeExecute

protected <C> void safeExecute(Form.Operation operation,
                               C context)

The context is used for the Form.Operation.VIEW operation. It's expected to be the next state.

Specified by:

safeExecute in class AbstractStateMachine

name

protected String name()

Specified by:

name in class AbstractStateMachine