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