public override void Add(ZooUnit unit)
{
if (unit is Animal && (unit as Animal).IsInZoo)
{
throw new CannotAddUnitException("Это животное уже в другой клетке!");
}
if (unit is Predator)
{
if (this.Units.Count == 0)
{
(unit as Animal).IsInZoo = true;
Units.Add(unit);
}
else
{
List <ZooUnit> zu = new List <ZooUnit>();
foreach (var item in this.Units)
{
if (item is Predator)
{
zu.Add(item);
}
}
if (zu.Count != 0 && zu[0].GetType() == unit.GetType())
{
(unit as Animal).IsInZoo = true;
Units.Add(unit);
}
}
}
if (unit is CageForBears || unit is CageForWolves)
{
Units.Add(unit);
}
}
public override void Add(ZooUnit unit)
{
if (unit is Giraffe || unit is CageForGiraffes)
{
Units.Add(unit);
}
}
public override void Add(ZooUnit unit)
{
if (unit is Wolf || unit is CageForWolves)
{
Units.Add(unit);
}
}
public override void Add(ZooUnit unit)
{
if (unit is Bear || unit is CageForBears)
{
Units.Add(unit);
}
}
public override void Add(ZooUnit unit)
{
if (unit is Animal && (unit as Animal).IsInZoo) throw new CannotAddUnitException("Это животное уже в другой клетке!");
if (unit is Predator)
{
if (this.Units.Count == 0)
{
(unit as Animal).IsInZoo = true;
Units.Add(unit);
}
else
{
List<ZooUnit> zu = new List<ZooUnit>();
foreach (var item in this.Units)
if (item is Predator)
zu.Add(item);
if (zu.Count != 0 && zu[0].GetType() == unit.GetType())
{
(unit as Animal).IsInZoo = true;
Units.Add(unit);
}
else if(zu.Count !=0) throw new CannotAddUnitException("Тут уже животные другого вида!");
}
}
else if (unit is Animal) throw new CannotAddUnitException("Нельзя добавить травоядное!");
if (unit is CageForBears || unit is CageForWolves)
Units.Add(unit);
else if (!(unit is Animal)) throw new CannotAddUnitException("Нельзя добавить клетку для травоядных!");
}
public override void Remove(ZooUnit unit)
{
if (Units.Contains(unit))
{
Units.Remove(unit);
}
else
{
throw new CannotRemoveUnitException("Невозможно удалить животное/клетку!");
}
}
public override void Remove(ZooUnit unit)
{
if (Units.Contains(unit))
{
if (unit is Animal)
{
(unit as Animal).IsInZoo = false;
Units.Remove(unit);
}
}
else
{
throw new CannotRemoveUnitException("Невозможно удалить животное/клетку!");
}
}
public override void Add(ZooUnit unit)
{
if (unit is Bear || unit is CageForBears)
{
if (unit is Bear)
{
(unit as Animal).IsInZoo = true;
}
Units.Add(unit);
}
else
{
throw new CannotAddUnitException("Невозможно добавить травоядное/клетку для травоядного!");
}
}
public override void Add(ZooUnit unit)
{
if (unit is Giraffe || unit is CageForGiraffes)
{
if (unit is Giraffe)
{
(unit as Animal).IsInZoo = true;
}
Units.Add(unit);
}
else
{
throw new CannotAddUnitException("Невозможно добавить хищника/клетку для хищника!");
}
}
public override void Add(ZooUnit unit)
{
if (unit is Animal && (unit as Animal).IsInZoo)
{
throw new CannotAddUnitException("Это животное уже в другой клетке!");
}
if (unit is Herbivorous)
{
if (this.Units.Count == 0)
{
Units.Add(unit);
(unit as Animal).IsInZoo = true;
}
else
{
List <ZooUnit> zu = new List <ZooUnit>();
foreach (var item in this.Units)
{
if (item is Herbivorous)
{
zu.Add(item);
}
}
if (zu.Count != 0 && zu[0].GetType() == unit.GetType())
{
Units.Add(unit);
(unit as Animal).IsInZoo = true;
}
}
}
else if (unit is Animal)
{
throw new CannotAddUnitException("Нельзя добавить хищника!");
}
if (unit is CageForGiraffes)
{
Units.Add(unit);
}
else if (!(unit is Animal))
{
throw new CannotAddUnitException("Нельзя добавить клетку для хищников!");
}
}
public abstract void Remove(ZooUnit unit);
public abstract void Add(ZooUnit unit);
public override void Add(ZooUnit unit)
{
Units.Add(unit);
}
public override void Remove(ZooUnit unit)
{
throw new InvalidOperationException();
}