01: package com.quadcap.sql.index;
02:
03: /* Copyright 1997 - 2003 Quadcap Software. All rights reserved.
04: *
05: * This software is distributed under the Quadcap Free Software License.
06: * This software may be used or modified for any purpose, personal or
07: * commercial. Open Source redistributions are permitted. Commercial
08: * redistribution of larger works derived from, or works which bundle
09: * this software requires a "Commercial Redistribution License"; see
10: * http://www.quadcap.com/purchase.
11: *
12: * Redistributions qualify as "Open Source" under one of the following terms:
13: *
14: * Redistributions are made at no charge beyond the reasonable cost of
15: * materials and delivery.
16: *
17: * Redistributions are accompanied by a copy of the Source Code or by an
18: * irrevocable offer to provide a copy of the Source Code for up to three
19: * years at the cost of materials and delivery. Such redistributions
20: * must allow further use, modification, and redistribution of the Source
21: * Code under substantially the same terms as this license.
22: *
23: * Redistributions of source code must retain the copyright notices as they
24: * appear in each source code file, these license terms, and the
25: * disclaimer/limitation of liability set forth as paragraph 6 below.
26: *
27: * Redistributions in binary form must reproduce this Copyright Notice,
28: * these license terms, and the disclaimer/limitation of liability set
29: * forth as paragraph 6 below, in the documentation and/or other materials
30: * provided with the distribution.
31: *
32: * The Software is provided on an "AS IS" basis. No warranty is
33: * provided that the Software is free of defects, or fit for a
34: * particular purpose.
35: *
36: * Limitation of Liability. Quadcap Software shall not be liable
37: * for any damages suffered by the Licensee or any third party resulting
38: * from use of the Software.
39: */
40:
41: import java.io.IOException;
42:
43: import com.quadcap.util.ConfigNumber;
44: import com.quadcap.util.Debug;
45: import com.quadcap.util.Util;
46:
47: /**
48: * Generic comparator implementation
49: *
50: * @author Stan Bailes
51: */
52: public class Comparator {
53: public static Comparator compare = new Comparator();
54:
55: public int compare(byte[] a, int aoff, int alen, byte[] b,
56: int boff, int blen) {
57: int ret = Util.compareBytes(a, aoff, alen, b, boff, blen);
58: //#ifdef TRACE
59: if (Trace.bit(4)) {
60: Debug.println(0, "compare(" + Util.strBytes(a, aoff, alen)
61: + ", " + Util.strBytes(b, boff, blen) + ") = "
62: + ret);
63: }
64: //#endif
65: return ret;
66: }
67:
68: public int compare(byte[] a, byte[] b) {
69: return compare(a, 0, a.length, b, 0, b.length);
70: }
71:
72: public String toString(byte[] key, int off, int len) {
73: return new String(key, off, len);
74: }
75: }
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