private QState Hungry(IQEvent qEvent)
{
switch (qEvent.QSignal)
{
case (int)QSignals.Entry:
LogMessage(String.Format("Philosopher {0} is hungry.", m_PhilosopherId));
TableEvent tableEvent = new TableEvent(DPPSignal.Hungry, m_PhilosopherId);
LogMessage(String.Format("Philosopher {0} publishes Hungry event.", m_PhilosopherId));
QF.Instance.Publish(tableEvent);
return(null);
case (int)DPPSignal.Eat:
if (((TableEvent)qEvent).PhilosopherId == m_PhilosopherId)
{
LogMessage(String.Format("Philosopher {0} receives eat signal.", m_PhilosopherId));
TransitionTo(m_StateEating, ref s_Tran_Hungry_Eating);
}
return(null);
case (int)QSignals.Exit:
LogMessage(String.Format("Philosopher {0} is exiting hungry state.", m_PhilosopherId));
return(null);
}
return(this.TopState);
}
private void LetPhilosopherEat(int philosopherId)
{
UseForks(philosopherId);
TableEvent tableEvent = new TableEvent(DPPSignal.Eat, philosopherId);
Debug.WriteLine(String.Format("Table publishes Eat event for Philosopher {0}.", philosopherId));
QF.Instance.Publish(tableEvent);
Console.WriteLine(String.Format("Philosopher {0} is eating.", philosopherId));
}
private QState Eating(IQEvent qEvent)
{
switch (qEvent.QSignal)
{
case (int)QSignals.Entry:
LogMessage(String.Format("Philosopher {0} is eating.", m_PhilosopherId));
m_Timer.FireIn(c_EatTime, new PhilosopherEvent(DPPSignal.Timeout));
return(null);
case (int)DPPSignal.Timeout:
TransitionTo(m_StateThinking, ref s_Tran_Eating_Thinking);
return(null);
case (int)QSignals.Exit:
LogMessage(String.Format("Philosopher {0} is exiting eating state.", m_PhilosopherId));
TableEvent tableEvent = new TableEvent(DPPSignal.Done, m_PhilosopherId);
LogMessage(String.Format("Philosopher {0} publishes Done event.", m_PhilosopherId));
QF.Instance.Publish(tableEvent);
return(null);
}
return(this.TopState);
}
private QState Eating(IQEvent qEvent)
{
switch (qEvent.QSignal)
{
case (int)QSignals.Entry:
LogMessage(String.Format("Philosopher {0} is eating.", m_PhilosopherId));
m_Timer.FireIn(c_EatTime, new PhilosopherEvent(DPPSignal.Timeout));
return null;
case (int)DPPSignal.Timeout:
TransitionTo(m_StateThinking, ref s_Tran_Eating_Thinking);
return null;
case (int)QSignals.Exit:
LogMessage(String.Format("Philosopher {0} is exiting eating state.", m_PhilosopherId));
TableEvent tableEvent = new TableEvent(DPPSignal.Done, m_PhilosopherId);
LogMessage(String.Format("Philosopher {0} publishes Done event.", m_PhilosopherId));
QF.Instance.Publish(tableEvent);
return null;
}
return this.TopState;
}
private void LetPhilosopherEat(int philosopherId)
{
UseForks(philosopherId);
TableEvent tableEvent = new TableEvent(DPPSignal.Eat, philosopherId);
Debug.WriteLine(String.Format("Table publishes Eat event for Philosopher {0}.", philosopherId));
QF.Instance.Publish(tableEvent);
Console.WriteLine(String.Format("Philosopher {0} is eating.", philosopherId));
}
private QState Hungry(IQEvent qEvent)
{
switch (qEvent.QSignal)
{
case (int)QSignals.Entry:
LogMessage(String.Format("Philosopher {0} is hungry.", m_PhilosopherId));
TableEvent tableEvent = new TableEvent(DPPSignal.Hungry, m_PhilosopherId);
LogMessage(String.Format("Philosopher {0} publishes Hungry event.", m_PhilosopherId));
QF.Instance.Publish(tableEvent);
return null;
case (int)DPPSignal.Eat:
if (((TableEvent)qEvent).PhilosopherId == m_PhilosopherId)
{
LogMessage(String.Format("Philosopher {0} receives eat signal.", m_PhilosopherId));
TransitionTo(m_StateEating, ref s_Tran_Hungry_Eating);
}
return null;
case (int)QSignals.Exit:
LogMessage(String.Format("Philosopher {0} is exiting hungry state.", m_PhilosopherId));
return null;
}
return this.TopState;
}