001 /* 002 * CDDL HEADER START 003 * 004 * The contents of this file are subject to the terms of the 005 * Common Development and Distribution License, Version 1.0 only 006 * (the "License"). You may not use this file except in compliance 007 * with the License. 008 * 009 * You can obtain a copy of the license at 010 * docs/licenses/cddl.txt 011 * or http://www.opensource.org/licenses/cddl1.php. 012 * See the License for the specific language governing permissions 013 * and limitations under the License. 014 * 015 * When distributing Covered Code, include this CDDL HEADER in each 016 * file and include the License file at 017 * docs/licenses/cddl.txt. If applicable, 018 * add the following below this CDDL HEADER, with the fields enclosed 019 * by brackets "[]" replaced with your own identifying information: 020 * Portions Copyright [yyyy] [name of copyright owner] 021 * 022 * CDDL HEADER END 023 * 024 * 025 * Copyright 2010-2014 UnboundID Corp. 026 */ 027 package com.unboundid.directory.sdk.common.schema; 028 029 030 031 import com.unboundid.util.ByteString; 032 import com.unboundid.util.NotExtensible; 033 import com.unboundid.util.ThreadSafety; 034 import com.unboundid.util.ThreadSafetyLevel; 035 036 037 038 /** 039 * This interface provides an API for interacting with ordering matching rules, 040 * which can be used to determine the logical order of two values in a sorted 041 * list. 042 */ 043 @NotExtensible() 044 @ThreadSafety(level=ThreadSafetyLevel.INTERFACE_THREADSAFE) 045 public interface OrderingMatchingRule 046 extends MatchingRule 047 { 048 /** 049 * Compares the provided values to determine their logical order in a sorted 050 * list. 051 * 052 * @param normValue1 The normalized form of the first value for which to 053 * make the determination. 054 * @param normValue2 The normalized form of the second value for which to 055 * make the determination. 056 * 057 * @return A negative value if the first value should be ordered before the 058 * second, a positive value if the first value should be ordered 059 * after the second, or zero if there is no logical difference 060 * between the provided values. 061 */ 062 int compareValues(final ByteString normValue1, final ByteString normValue2); 063 }