package com.mfh.comn.logic;
import org.apache.commons.lang3.StringUtils;
import com.mfh.comn.bean.Pair;
import com.mfh.comn.config.IConfiguration;
import com.mfh.comn.utils.UuidUtil;
/**
* 序列、uuid等的初始化
*
* @author zhangyz created on 2012-8-13
* @since Framework 1.0
*/
public class SeqInit {
/**
* 单位是万
*
* @author zhangyz created on 2013-6-7
* @since Framework 1.0
*/
public enum SeqArea{
one, ten, hundred, thousand, wan, shiWan, million, qianWan, str
}
public static String CENTER_DB_ID = "0000";// 服务端数据库标示
public static String UCONFIG_GLP_DBID_CHAR = "db.idchar";//本地(客户端/手机端/服务器端)数据库编号参数
public static String UCONFIG_GLP_DBID_P0 = "db.idp0";//本地数据库起始编号1参数
public static String UCONFIG_GLP_DBID_P1 = "db.idp1";//本地数据库起始编号2参数
public static String UCONFIG_GLP_DBID_P2 = "db.idp2";
public static String UCONFIG_GLP_DBID_P3 = "db.idp3";
public static String UCONFIG_GLP_DBID_P4 = "db.idp4";
public static String UCONFIG_GLP_DBID_P5 = "db.idp5";
public static String UCONFIG_GLP_DBID_P6 = "db.idp6";
public static String UCONFIG_GLP_DBID_P7 = "db.idp7";
//序列返回
public static final int AREA_ID_one = 10000;//一万容量
public static final int AREA_ID_ten = 100000;//十万容量
public static final int AREA_ID_hundred = 1000000;//百万容量
public static final long AREA_ID_thousand = 10000000;//千万容量
public static final long AREA_ID_wan = 100000000;//亿容量
public static final long AREA_ID_shiWan = 1000000000;//十亿容量
public static final long AREA_ID_million = 10000000000L;//百亿容量
public static final long AREA_ID_qianWan = 100000000000L;//千亿容量
//本地序列的统一初始值，用于分布式数据库
public static int LOCAL_ID_one;//一万容量的本地库序列起始值
public static int LOCAL_ID_ten;//十万容量的本地库序列起始值
public static int LOCAL_ID_hundred;//百万容量的本地库序列起始值
public static long LOCAL_ID_thousand;//千万容量的本地库序列起始值
public static long LOCAL_ID_wan;//亿容量的本地库序列起始值
public static long LOCAL_ID_shiWan;//十亿容量的本地库序列起始值
public static long LOCAL_ID_million;//百亿容量的本地库序列起始值
public static long LOCAL_ID_qianWan;//千亿容量的本地库序列起始值
/**
* 初始化本地数据库编号
*
* @author zhangyz created on 2012-11-3
*/
public static void initUuid(IConfiguration uconfig){
//初始化本地服务对应的数据库全局唯一ID
String glpDbId = uconfig.getString(UCONFIG_GLP_DBID_CHAR, CENTER_DB_ID);
com.mfh.comn.utils.UuidUtil.LOCAL_ID = glpDbId;
}
/**
* 初始化序列号
*
* @author zhangyz created on 2012-9-1
*/
public static void init(IConfiguration uconfig){
if (StringUtils.isBlank(UuidUtil.LOCAL_ID))
initUuid(uconfig);
LOCAL_ID_one = Integer.parseInt(uconfig
.getString(UCONFIG_GLP_DBID_P0, "10000"));//默认从1万开始
LOCAL_ID_ten = Integer.parseInt(uconfig
.getString(UCONFIG_GLP_DBID_P1, "100000"));//默认从10万开始
LOCAL_ID_hundred = Integer.parseInt(uconfig
.getString(UCONFIG_GLP_DBID_P2, "1000000"));//默认从1百万开始
LOCAL_ID_thousand = Integer.parseInt(uconfig
.getString(UCONFIG_GLP_DBID_P3, "10000000"));//默认从1千万开始
LOCAL_ID_wan = Integer.parseInt(uconfig
.getString(UCONFIG_GLP_DBID_P4, "100000000")); //默认从1亿开始
LOCAL_ID_shiWan = Long.parseLong(uconfig
.getString(UCONFIG_GLP_DBID_P5, "1000000000")); //默认从10亿开始
LOCAL_ID_million = Long.parseLong(uconfig
.getString(UCONFIG_GLP_DBID_P6, "10000000000")); //默认从100亿开始
LOCAL_ID_qianWan = Long.parseLong(uconfig
.getString(UCONFIG_GLP_DBID_P7, "100000000000")); //默认从1000亿开始
}
/**
* 根据指定的键值范围得出序列起始值
* @param seqArea
* @return v1:start; v2:end. 若都为null代表使用uuid
* @author zhangyz created on 2013-6-15
*/
public static Pair<Long, Long> getSeqLong(SeqArea seqArea) {
Long seqStart = (long)SeqInit.LOCAL_ID_hundred;
Long seqLong = null, seqEnd = null;
if (seqArea != null) {
if (seqArea.equals(SeqArea.qianWan)) {
seqLong = SeqInit.AREA_ID_qianWan;
seqStart = SeqInit.LOCAL_ID_qianWan;
}
else if (seqArea.equals(SeqArea.million)) {
seqLong = SeqInit.AREA_ID_million;
seqStart = SeqInit.LOCAL_ID_million;
}
else if (seqArea.equals(SeqArea.shiWan)) {
seqLong = SeqInit.AREA_ID_shiWan;
seqStart = SeqInit.LOCAL_ID_shiWan;
}
else if (seqArea.equals(SeqArea.wan)) {
seqLong = SeqInit.AREA_ID_wan;
seqStart = SeqInit.LOCAL_ID_wan;
}
else if (seqArea.equals(SeqArea.str)) {
seqLong = null;
seqStart = null;
}
else if (seqArea.equals(SeqArea.thousand)) {
seqLong = SeqInit.AREA_ID_thousand;
seqStart = SeqInit.LOCAL_ID_thousand;
}
else if (seqArea.equals(SeqArea.hundred)) {
seqLong = (long)SeqInit.AREA_ID_hundred;
seqStart = (long)SeqInit.LOCAL_ID_hundred;
}
else if (seqArea.equals(SeqArea.ten)) {
seqLong = (long)SeqInit.AREA_ID_ten;
seqStart = (long)SeqInit.LOCAL_ID_ten;
}
else if (seqArea.equals(SeqArea.one)) {
seqLong = (long)SeqInit.AREA_ID_one;
seqStart = (long)SeqInit.LOCAL_ID_one;
}
else
throw new RuntimeException("不支持的容量范围类型:" + seqArea);
if (seqLong != null) {
seqEnd = seqStart + seqLong;
}
return new Pair<Long, Long> (seqStart, seqEnd);
}
else
return new Pair<Long, Long>(null, null);
}
}