public void Add(Egg egg)
{
if (egg == null)
{
throw new NullRefNestException(string.Format("Nest '{0}' got empty egg", GetName()));
}
if (_eggs.Contains(egg))
{
throw new ContainNestException(string.Format("Nest '{0}' already contains egg '{1}'", GetName(), egg.GetFullName()));
}
_eggs.Add(egg);
egg.Knock += EggOnKnock;
egg.SetNest(null);
egg.SetNest(this);
}
public void Remove(Egg egg)
{
if (egg == null)
{
throw new NullRefNestException(string.Format("Nest {0} got empty egg", GetName()));
}
if (!_eggs.Contains(egg))
{
throw new ContainNestException(string.Format("Nest {0} does not contains egg {1}", GetName(), egg.GetFullName()));
}
_eggs.Remove(egg);
egg.SetNest(null);
egg.Knock -= EggOnKnock;
}
public void MoveTo(Egg egg, Nest nest)
{
if (egg == null)
{
throw new NullRefNestException(string.Format("Nest {0} got empty egg", GetName()));
}
if (nest == null)
{
throw new NullRefNestException(string.Format("Nest {0} got empty nest", GetName()));
}
if (!_eggs.Contains(egg))
{
throw new ContainNestException(string.Format("Nest {0} does not contains egg {1}", GetName(), egg.GetFullName()));
}
_eggs.Remove(egg);
nest._eggs.Add(egg);
egg.Knock -= EggOnKnock;
egg.Knock += nest.EggOnKnock;
egg.SetNest(nest);
}