public void DoHomework()
{
// Save the values before we try the homework.
int tempEnergy = EnergyLevel, tempStress = StressLevel;
try
{
// Try to set the properties to the new ones.
// If we pop first, then we will be missing the item if anything fails.
// If we pop in each step, we'll be getting a new item each time.
// So we peek, which shows the top item, without removing it. Kind of like flipping the top card on a deck.
EnergyLevel -= 10 * PendingHomework.Peek().Complexity;
StressLevel += 5 * PendingHomework.Peek().Complexity;
WritingInstrument.Write(100 * PendingHomework.Peek().Complexity);
// Once we're sure everything is good, we pop the top item off.
PendingHomework.Pop();
}
catch (Exception ex)
{
// If either one fails, rollback both.
EnergyLevel = tempEnergy;
StressLevel = tempStress;
// Throw the exception up the stack to main.
throw ex;
}
}
public void DoHomework()
{
// Save the values before we try the homework.
int tempEnergy = EnergyLevel, tempStress = StressLevel;
try
{
// Try to set the properties to the new ones.
EnergyLevel -= 10 * pendingHomeWork.Peek().Complexity;
StressLevel += 5 * pendingHomeWork.Peek().Complexity;
WritingInstrument.Write("It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing");
pendingHomeWork.Pop();
}
catch (Exception ex)
{
// If either one fails, rollback both.
EnergyLevel = tempEnergy;
StressLevel = tempStress;
// Throw the exception up the stack to main.
throw ex;
}
}
