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