src/main/java/net/onrc/onos/ofcontroller/util/SwitchPort.java

package net.onrc.onos.ofcontroller.util;

import org.codehaus.jackson.annotate.JsonProperty;

/**
 * The class representing a Switch-Port.
 */
public class SwitchPort {
    private Dpid dpid;		// The DPID of the switch
    private Port port;		// The port of the switch

    /**
     * Default constructor.
     */
    public SwitchPort() {
    }

    /**
     * Constructor for a given DPID and a port.
     *
     * @param dpid the DPID to use.
     * @param port the port to use.
     */
    public SwitchPort(Dpid dpid, Port port) {
	this.dpid = dpid;
	this.port = port;
    }

    /**
     * Get the DPID value of the Switch-Port.
     *
     * @return the DPID value of the Switch-Port.
     */
    @JsonProperty("dpid")
    public Dpid dpid() { return dpid; }

    /**
     * Set the DPID value of the Switch-Port.
     *
     * @param dpid the DPID to use.
     */
    @JsonProperty("dpid")
    public void setDpid(Dpid dpid) {
	this.dpid = dpid;
    }

    /**
     * Get the port value of the Switch-Port.
     *
     * @return the port value of the Switch-Port.
     */
    @JsonProperty("port")
    public Port port() { return port; }

    /**
     * Set the port value of the Switch-Port.
     *
     * @param port the port to use.
     */
    @JsonProperty("port")
    public void setPort(Port port) {
	this.port = port;
    }

    /**
     * Set the DPID and port values of the Switch-Port.
     *
     * @param dpid the DPID to use.
     * @param port the port to use.
     */
    public void setValue(Dpid dpid, Port port) {
	this.dpid = dpid;
	this.port = port;
    }

    /**
     * Convert the Switch-Port value to a string.
     *
     * The string has the following form:
     *  01:02:03:04:05:06:07:08/1234
     *
     * @return the Switch-Port value as a string.
     */
    @Override
    public String toString() {
	return this.dpid.toString() + "/" + this.port;
    }
    

    @Override
    public boolean equals(Object other) {
    	if (!(other instanceof SwitchPort)) {
    		return false;
    	}

    	SwitchPort otherSwitchPort = (SwitchPort) other;

    	return (dpid.equals(otherSwitchPort.dpid) &&
    			port.equals(otherSwitchPort.port));
    }

    @Override
    public int hashCode() {
    	int hash = 17;
    	hash += 31 * hash + dpid.hashCode();
    	hash += 31 * hash + port.hashCode();
    	return hash;
    }
}