81 lines
2.9 KiB
Java
81 lines
2.9 KiB
Java
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* This file is available under and governed by the GNU General Public
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* License version 2 only, as published by the Free Software Foundation.
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* However, the following notice accompanied the original version of this
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* file:
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*
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* Written by Doug Lea with assistance from members of JCP JSR-166
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* Expert Group and released to the public domain, as explained at
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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import java.util.Comparator;
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import java.io.Serializable;
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/**
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* A simple element class for collections etc
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*/
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public final class Item extends Number implements Comparable<Item>, Serializable {
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public final int value;
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public Item(int v) { value = v; }
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public Item(Item i) { value = i.value; }
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public Item(Integer i) { value = i.intValue(); }
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public static Item valueOf(int i) { return new Item(i); }
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public int intValue() { return value; }
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public long longValue() { return (long)value; }
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public float floatValue() { return (float)value; }
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public double doubleValue() { return (double)value; }
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public boolean equals(Object x) {
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return (x instanceof Item) && ((Item)x).value == value;
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}
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public boolean equals(int b) {
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return value == b;
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}
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public int compareTo(Item x) {
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return Integer.compare(this.value, x.value);
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}
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public int compareTo(int b) {
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return Integer.compare(this.value, b);
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}
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public int hashCode() { return value; }
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public String toString() { return Integer.toString(value); }
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public static int compare(Item x, Item y) {
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return Integer.compare(x.value, y.value);
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}
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public static int compare(Item x, int b) {
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return Integer.compare(x.value, b);
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}
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public static Comparator<Item> comparator() { return new Cpr(); }
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public static class Cpr implements Comparator<Item> {
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public int compare(Item x, Item y) {
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return Integer.compare(x.value, y.value);
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}
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}
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}
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