Pair.java

package com.esri.geoevent.solutions.transport.irc.jerklib.util;


public class Pair<A, B>
{
    public final A first;
    public final B second;

    public Pair(A first, B second)
    {
        this.first = first;
        this.second = second;
    }

    @SuppressWarnings ("unchecked")
    @Override
    public boolean equals(Object obj)
    {
    		if(obj == this) return true;
        if (obj instanceof Pair && obj.hashCode() == hashCode())
        {
            Pair<A, B> other = (Pair<A, B>) obj;
            return (first != null ? first.equals(other.first) : other.first == null) && (second != null ? second.equals(other.second) : other.second == null);
        }
        return false;
    }

    @Override
    public int hashCode()
    {
        int hash = (first != null ? first.hashCode() ^ 42 : 0);
        hash += (second != null ? second.hashCode() : 0);
        return hash;
    }
}