public List <StateEvent> ProcessCommand(IStateCommandProtocol command)
{
var ev = new List <StateEvent>();
_currentLeaf = _currentLeaf.ProcessCommand(command, ev);
return(ev);
}
public StateLeaf ProcessCommand(IStateCommandProtocol command, List <StateEvent> events)
{
var nextState = command.Process(State, events);
var next = new StateLeaf(nextState);
next._previousLeaf = this;
this._nextLeaf = next;
return(next);
}
public bool Redo()
{
if (CanRedo)
{
_currentLeaf = _currentLeaf.Redo();
return(true);
}
return(false);
}
public bool Undo()
{
if (CanUndo)
{
_currentLeaf = _currentLeaf.Undo();
return(true);
}
return(false);
}
public StateTree(IStateProtocol state)
{
_root = new StateLeaf(state);
_currentLeaf = _root;
}