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