001/**
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014package ch.qos.logback.classic.turbo.lru;
015
016public class T_Entry<K> implements Comparable<T_Entry<?>> {
017
018    K k;
019    long sequenceNumber;
020
021    T_Entry(K k, long sn) {
022        this.k = k;
023        this.sequenceNumber = sn;
024    }
025
026    public int compareTo(T_Entry<?> o) {
027        if (!(o instanceof T_Entry)) {
028            throw new IllegalArgumentException("arguments must be of type " + T_Entry.class);
029        }
030
031        T_Entry<?> other = o;
032        if (sequenceNumber > other.sequenceNumber) {
033            return 1;
034        }
035        if (sequenceNumber == other.sequenceNumber) {
036            return 0;
037        }
038        return -1;
039    }
040
041    @Override
042    public String toString() {
043        return "(" + k + "," + sequenceNumber + ")";
044        // return "("+k+")";
045    }
046}