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