@Override
	public boolean equals(Object obj)
	{
		if(this == obj)
			return true;
		if(obj == null)
			return false;
		if(getClass() != obj.getClass())
			return false;
		
		Semaphore other = (Semaphore) obj;
		
		if(id == null)
		{
			if(other.id != null)
				return false;
		}
		else
		{
			if(!id.equals(other.id))
				return false;
		}

		return true;
	}