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POhow to customize compareTo method to consider both direction flow
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copied!<p>if I need to customize my code with this logic</p> <pre><code>if this.srcAddr=other.srcAddr or this.src.Addr = other.sdstAddr this.srcPort=other.srcPort this.srcPort=other.dstPort </code></pre> <p>because I am going to consider bi-directional flow, a packet from source to destination and a packet from destination to source belong to a flow.</p> <p>How should I change my code?</p> <pre><code>package myclassifier; public class Flows implements Comparable<Flows> { String srcAddr, dstAddr, srcPort, dstPort, protocol; public Flows(String sIP, String dIP){ this.srcAddr = sIP; this.dstAddr = dIP; } public int compareTo(Flows other) { int res = (this.srcAddr.compareTo(other.srcAddr)); if (res != 0) { return res; } res = this.dstAddr.compareTo(other.dstAddr); if (res != 0) { return res; } res = this.srcPort.compareTo(other.srcPort); if (res != 0) { return res; } res = this.dstPort.compareTo(other.dstPort); if (res != 0) { return res; } return this.protocol.compareTo(other.protocol); } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((dstAddr == null) ? 0 : dstAddr.hashCode()); result = prime * result + ((dstPort == null) ? 0 : dstPort.hashCode()); result = prime * result + ((srcAddr == null) ? 0 : srcAddr.hashCode()); result = prime * result + ((srcPort == null) ? 0 : srcPort.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; Flows other = (Flows) obj; if (dstAddr == null) { if (other.dstAddr != null) return false; } else if (!dstAddr.equals(other.dstAddr)) return false; if (dstPort == null) { if (other.dstPort != null) return false; } else if (!dstPort.equals(other.dstPort)) return false; if (srcAddr == null) { if (other.srcAddr != null) return false; } else if (!srcAddr.equals(other.srcAddr)) return false; if (srcPort == null) { if (other.srcPort != null) return false; } else if (!srcPort.equals(other.srcPort)) return false; return true; } } </code></pre>

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