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 * trunk/opends/resource/legal-notices/OpenDS.LICENSE 011 * or https://OpenDS.dev.java.net/OpenDS.LICENSE. 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 * trunk/opends/resource/legal-notices/OpenDS.LICENSE. 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 2006-2008 Sun Microsystems, Inc. 026 */ 027 package org.opends.server.replication.protocol; 028 029 030 /** 031 * The version utility class for the replication protocol. 032 */ 033 public class ProtocolVersion 034 { 035 /** 036 * Get the version included in the Start Message mean the replication 037 * protocol version used by the server that created the message. 038 * 039 * @return The version used by the server that created the message. 040 */ 041 static short CURRENT_VERSION = 1; 042 043 /** 044 * Specifies the current version of the replication protocol. 045 * 046 * @return The current version of the protocol. 047 */ 048 public static short currentVersion() 049 { 050 return CURRENT_VERSION; 051 } 052 053 /** 054 * For test purpose. 055 * @param currentVersion The provided current version. 056 */ 057 public static void setCurrentVersion(short currentVersion) 058 { 059 CURRENT_VERSION = currentVersion; 060 } 061 062 /** 063 * Specifies the oldest version of the protocol from the provided one 064 * and the current one. 065 * 066 * @param version The version to be compared to the current one. 067 * @return The minimal protocol version. 068 */ 069 public static short minWithCurrent(short version) 070 { 071 Short sVersion = Short.valueOf(version); 072 Short newVersion = (sVersion<CURRENT_VERSION?sVersion:CURRENT_VERSION); 073 return newVersion; 074 } 075 } 076