/*
* @see betting_center.IBettingCenter_Spectator#goCollectTheGains(int)
*/
@Override
public double goCollectTheGains(int spectatorID) {
lock.lock();
fileLogger.log(
CLASS_TAG, "goCollectTheGains", FunctionState.START, "spectatorID:" + spectatorID);
while (!betManagerIsHonouringBets) waitForCondition(betManagerIsHonouringBetsCondition);
betManagerIsHonouringBets = false;
spectatorCollectingGain = true;
spectatorToHonourBetID = spectatorID;
spectatorCollectingGainConditon.signal();
while (!betManagerHasHonourBet) waitForCondition(betManagerHasHonourBetCondition);
betManagerHasHonourBet = false;
fileLogger.log(CLASS_TAG, "goCollectTheGains", FunctionState.END, "spectatorID:" + spectatorID);
lock.unlock();
return honourBet;
}
/*
* @see betting_center.IBettingCenter_Spectator#placeABet(int, int, int)
*/
@Override
public void placeABet(int spectatorID, int betValue, int horseToBetID) {
lock.lock();
fileLogger.log(
CLASS_TAG,
"placeABet",
FunctionState.START,
"Spectator:" + spectatorID + " betValue:" + betValue + " horseToBetID:" + horseToBetID);
while (!betManagerAcceptingBets) waitForCondition(betManagerAcceptingBetsCondition);
bet = new Bet(spectatorID, betValue, horseToBetID);
spectatorsToBet--;
spectatorPlaceABet = true;
spectatorPlaceABetCondition.signal();
fileLogger.log(
CLASS_TAG,
"placeABet",
FunctionState.END,
"Spectator:" + spectatorID + " betValue:" + betValue + " horseToBetID:" + horseToBetID);
lock.unlock();
}
/*
* @see betting_center.IBettingCenter_Manager#honourTheBets(int, java.util.TreeMap)
*/
@Override
public void honourTheBets(int numWinnerHorses, TreeMap<Integer, Bet> winnerSpectators) {
lock.lock();
fileLogger.log(
CLASS_TAG,
"honourTheBets",
FunctionState.START,
"numWinnerHorses:" + numWinnerHorses + " winnerSpectators:" + winnerSpectators);
while (winnerSpectators.size() != 0) {
betManagerIsHonouringBets = true;
betManagerIsHonouringBetsCondition.signal();
while (!spectatorCollectingGain) waitForCondition(spectatorCollectingGainConditon);
spectatorCollectingGain = false;
Bet bet = winnerSpectators.remove(spectatorToHonourBetID);
// TODO: Multiply with horse odd value */
honourBet = bet.getHorseWinOdd() * bet.getBetValue();
betManagerHasHonourBet = true;
betManagerHasHonourBetCondition.signal();
fileLogger.log(
CLASS_TAG,
"honourTheBets",
FunctionState.MIDDLE,
" winnerSpectators:" + winnerSpectators);
}
fileLogger.log(
CLASS_TAG,
"honourTheBets",
FunctionState.END,
"numWinnerHorses:" + numWinnerHorses + " winnerSpectators:" + winnerSpectators);
lock.unlock();
}
/**
* Classe representa o Centro de Apostas e por consequinte é por este monitor que passará todas as
* acções relacionadas com apostas entre Espectadores e Gestor de Apostas.
*
* @author Lucas Lemos
* @version 1.0
*/
public class BettingCenter extends Monitor
implements IBettingCenter_Manager, IBettingCenter_Spectator {
/** Variável para modo Debug. */
private final FileLogger fileLogger = FileLogger.getLogger();
/** Tag de identifação da classe. */
private final String CLASS_TAG = getClass().getSimpleName();
/** Lock a ser usado para as várias situações de bloqueio. */
final Lock lock = new ReentrantLock();
/** Condição de bloqueio à espera que o Gestor de Apostas aceite as apostas. */
final Condition betManagerAcceptingBetsCondition = lock.newCondition();
/** Condição de bloqueio à espera que um espetador coloque uma aposta. */
final Condition spectatorPlaceABetCondition = lock.newCondition();
/** Condição de bloqueio à espera que o gestor de apostas apareça para pagar as apostas. */
final Condition betManagerIsHonouringBetsCondition = lock.newCondition();
/** Condição de bloqueio à espera que um espetador apareça para receber o que ganhou da aposta. */
final Condition spectatorCollectingGainConditon = lock.newCondition();
/** Condição de bloqueio à espera que o gestor de apostas pague as apostas. */
final Condition betManagerHasHonourBetCondition = lock.newCondition();
/** Boolean indicando se algum espetador fez uma aposta. */
private boolean spectatorPlaceABet;
/** Número de espetadores que faltam apostar. */
private int spectatorsToBet;
/** Aposta atual a ser recolhida pelo gestor de apostas. */
private Bet bet;
/** Boolean indicando se gestor de apostas está aceitando apostas. */
private boolean betManagerAcceptingBets;
/** Boolean indicando se gestor de apostas está pagando as apostas vencedoras. */
private boolean betManagerIsHonouringBets;
/** Valor a ser recolhido pelo espetador da aposta ganha. */
private double honourBet;
/** Boolean indicando se espetador está coletando o valor da aposta ganha. */
private boolean spectatorCollectingGain;
/** ID do espetador a recolher o valor da aposta ganha. */
private int spectatorToHonourBetID;
/** Boolean indicando se gestor de apostas já pagou o valor ganho da aposta. */
private boolean betManagerHasHonourBet;
/** Número total de espetadores na solução. */
private int numSpectators;
/**
* Construtor do Betting Center.
*
* @param numSpectators Número total de espetadores.
*/
public BettingCenter(int numSpectators) {
this.spectatorsToBet = numSpectators;
this.numSpectators = numSpectators;
}
/*
* @see betting_center.IBettingCenter_Spectator#placeABet(int, int, int)
*/
@Override
public void placeABet(int spectatorID, int betValue, int horseToBetID) {
lock.lock();
fileLogger.log(
CLASS_TAG,
"placeABet",
FunctionState.START,
"Spectator:" + spectatorID + " betValue:" + betValue + " horseToBetID:" + horseToBetID);
while (!betManagerAcceptingBets) waitForCondition(betManagerAcceptingBetsCondition);
bet = new Bet(spectatorID, betValue, horseToBetID);
spectatorsToBet--;
spectatorPlaceABet = true;
spectatorPlaceABetCondition.signal();
fileLogger.log(
CLASS_TAG,
"placeABet",
FunctionState.END,
"Spectator:" + spectatorID + " betValue:" + betValue + " horseToBetID:" + horseToBetID);
lock.unlock();
}
/*
* @see betting_center.IBettingCenter_Spectator#goCollectTheGains(int)
*/
@Override
public double goCollectTheGains(int spectatorID) {
lock.lock();
fileLogger.log(
CLASS_TAG, "goCollectTheGains", FunctionState.START, "spectatorID:" + spectatorID);
while (!betManagerIsHonouringBets) waitForCondition(betManagerIsHonouringBetsCondition);
betManagerIsHonouringBets = false;
spectatorCollectingGain = true;
spectatorToHonourBetID = spectatorID;
spectatorCollectingGainConditon.signal();
while (!betManagerHasHonourBet) waitForCondition(betManagerHasHonourBetCondition);
betManagerHasHonourBet = false;
fileLogger.log(CLASS_TAG, "goCollectTheGains", FunctionState.END, "spectatorID:" + spectatorID);
lock.unlock();
return honourBet;
}
/*
* @see betting_center.IBettingCenter_Manager#acceptTheBets()
*/
@Override
public Bet acceptTheBets() {
lock.lock();
betManagerAcceptingBets = true;
betManagerAcceptingBetsCondition.signal();
while (!spectatorPlaceABet) waitForCondition(spectatorPlaceABetCondition);
betManagerAcceptingBets = false;
spectatorPlaceABet = false;
lock.unlock();
return bet;
}
/*
* @see betting_center.IBettingCenter_Manager#honourTheBets(int, java.util.TreeMap)
*/
@Override
public void honourTheBets(int numWinnerHorses, TreeMap<Integer, Bet> winnerSpectators) {
lock.lock();
fileLogger.log(
CLASS_TAG,
"honourTheBets",
FunctionState.START,
"numWinnerHorses:" + numWinnerHorses + " winnerSpectators:" + winnerSpectators);
while (winnerSpectators.size() != 0) {
betManagerIsHonouringBets = true;
betManagerIsHonouringBetsCondition.signal();
while (!spectatorCollectingGain) waitForCondition(spectatorCollectingGainConditon);
spectatorCollectingGain = false;
Bet bet = winnerSpectators.remove(spectatorToHonourBetID);
// TODO: Multiply with horse odd value */
honourBet = bet.getHorseWinOdd() * bet.getBetValue();
betManagerHasHonourBet = true;
betManagerHasHonourBetCondition.signal();
fileLogger.log(
CLASS_TAG,
"honourTheBets",
FunctionState.MIDDLE,
" winnerSpectators:" + winnerSpectators);
}
fileLogger.log(
CLASS_TAG,
"honourTheBets",
FunctionState.END,
"numWinnerHorses:" + numWinnerHorses + " winnerSpectators:" + winnerSpectators);
lock.unlock();
}
/*
* @see betting_center.IBettingCenter_Manager#isFinalBetter()
*/
@Override
public boolean isFinalBetter() {
boolean isFinalBetter = (spectatorsToBet == 0);
if (isFinalBetter) spectatorsToBet = numSpectators;
return isFinalBetter;
}
}