org.shared.event

Class StateTable<X extends Enum<X>,Y extends Enum<Y>,Z extends Event<Z,Y,?>>

java.lang.Object

org.shared.event.StateTable<X,Y,Z>

Type Parameters:

X - the state enumeration type.

Y - the Event enumeration type.

Z - the Event type.

public class StateTable<X extends Enum<X>,Y extends Enum<Y>,Z extends Event<Z,Y,?>>
extends Object

A finite state machine class.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	StateTable.StateHandler Defines an Event handler that may mutate EnumStatus objects.

Field Summary

Fields

Modifier and Type	Field and Description
protected static String[]	wildcardCombinations An array of all four wildcard combinations.

Constructor Summary

Constructors

Constructor and Description
StateTable(Object target, Class<X> stateClass, Class<Y> eventTypeClass) Alternate constructor.
StateTable(Object target, Class<X> stateClass, Class<Y> eventTypeClass, String group) Default constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	lookup(EnumStatus<X> stateObj, Z evt) Looks up and handles an Event based on the current state and the event type.
String	toString() Creates a human-readable representation of this table.

Methods inherited from class java.lang.Object

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

Field Detail

wildcardCombinations

protected static final String[] wildcardCombinations

An array of all four wildcard combinations.

Constructor Detail

StateTable

public StateTable(Object target,
          Class<X> stateClass,
          Class<Y> eventTypeClass,
          String group)

Default constructor.

StateTable

public StateTable(Object target,
          Class<X> stateClass,
          Class<Y> eventTypeClass)

Alternate constructor.

Method Detail

toString

public String toString()

Creates a human-readable representation of this table.

Overrides:

toString in class Object

lookup

public void lookup(EnumStatus<X> stateObj,
          Z evt)

Looks up and handles an Event based on the current state and the event type.

Parameters:

stateObj - the EnumStatus object.

evt - the Event.