/// <summary>
/// Constructor
/// This is the only constructor in the API.
/// </summary>
public StateMachineFactory(STATE defaultInitialState)
{
this.transitionsListNode = null;
this.defaultInitialState = defaultInitialState;
this.optimized = false;
this.stateMachineTable = null;
}
internal TransitionsListNode(StateMachineFactory <Operand, State, Eventtype, Event
> _enclosing, StateMachineFactory.ApplicableTransition <OPERAND, STATE, EVENTTYPE
, EVENT> transition, StateMachineFactory.TransitionsListNode next)
{
this._enclosing = _enclosing;
this.transition = transition;
this.next = next;
}
private StateMachineFactory(Org.Apache.Hadoop.Yarn.State.StateMachineFactory <OPERAND
, STATE, EVENTTYPE, EVENT> that, StateMachineFactory.ApplicableTransition <OPERAND
, STATE, EVENTTYPE, EVENT> t)
{
this.defaultInitialState = that.defaultInitialState;
this.transitionsListNode = new StateMachineFactory.TransitionsListNode(this, t, that
.transitionsListNode);
this.optimized = false;
this.stateMachineTable = null;
}
private StateMachineFactory(Org.Apache.Hadoop.Yarn.State.StateMachineFactory <OPERAND
, STATE, EVENTTYPE, EVENT> that, bool optimized)
{
this.defaultInitialState = that.defaultInitialState;
this.transitionsListNode = that.transitionsListNode;
this.optimized = optimized;
if (optimized)
{
MakeStateMachineTable();
}
else
{
stateMachineTable = null;
}
}
private void MakeStateMachineTable()
{
Stack <StateMachineFactory.ApplicableTransition <OPERAND, STATE, EVENTTYPE, EVENT> >
stack = new Stack <StateMachineFactory.ApplicableTransition <OPERAND, STATE, EVENTTYPE
, EVENT> >();
IDictionary <STATE, IDictionary <EVENTTYPE, StateMachineFactory.Transition <OPERAND,
STATE, EVENTTYPE, EVENT> > > prototype = new Dictionary <STATE, IDictionary <EVENTTYPE
, StateMachineFactory.Transition <OPERAND, STATE, EVENTTYPE, EVENT> > >();
prototype[defaultInitialState] = null;
// I use EnumMap here because it'll be faster and denser. I would
// expect most of the states to have at least one transition.
stateMachineTable = new EnumMap <STATE, IDictionary <EVENTTYPE, StateMachineFactory.Transition
<OPERAND, STATE, EVENTTYPE, EVENT> > >(prototype);
for (StateMachineFactory.TransitionsListNode cursor = transitionsListNode; cursor
!= null; cursor = cursor.next)
{
stack.Push(cursor.transition);
}
while (!stack.IsEmpty())
{
stack.Pop().Apply(this);
}
}