@Override
public int compareTo(final Flows that) {
    return ComparisonChain.start().
        compare(this.srcAddr, that.srcAddr).
        compare(this.dstAddr, that.dstAddr).
        compare(this.srcPort, that.srcPort).
        compare(this.dstPort, that.dstPort).
        compare(this.protocol, that.protocol).
        result();
}