/// <summary>
/// 验证配置数据节点
/// </summary>
/// <param name="shardMap"></param>
private static void InitShardMapList(ShardMapConfigModels shardMap)
{
_shardMapList = new List <ShardMapInfo>();
foreach (var domain in shardMap.Domains)
{
foreach (var dataNode in domain.DataNodes)
{
var shardMapInfo = new ShardMapInfo
{
DomainName = domain.Name,
DbSettingName = dataNode.DbSettingName,
TenantIdRange = dataNode.IdRange
};
_shardMapList.Add(shardMapInfo);
}
}
}
/// <summary>
/// 初始化
/// </summary>
public static void Initialize()
{
var shardMap = new ShardMapConfigModels();
shardMap.Domains = new List <MultiTenancyDomain>();
#if NET45
var config = (MultiTenancySection)ConfigurationManager.GetSection(ConfigKeyNet45);
if (config == null)
{
throw new MultiTenancyConfigException();
}
if (config.Domains == null)
{
throw new MultiTenancyConfigException();
}
foreach (DomainElement domain in config.Domains)
{
var newdomain = new MultiTenancyDomain
{
Name = domain.Name,
Rule = domain.Rule
};
if (domain.DataNodes == null)
{
throw new MultiTenancyConfigException();
}
newdomain.DataNodes = new List <MultiTenancyDataNode>();
foreach (DataNodeElement dn in domain.DataNodes)
{
newdomain.DataNodes.Add(new MultiTenancyDataNode
{
Sort = dn.Sort,
IdRightBound = dn.IdRightBound,
DbSettingName = dn.DbSettingName
});
}
shardMap.Domains.Add(newdomain);
}
#endif
#if NS2
var rafyRawSection = ConfigurationHelper.Configuration.GetSection(ConfigKeyNotCore);
if (rafyRawSection == null)
{
throw new MultiTenancyConfigException();
}
var multiTenancyConfig = new MultiTenancyConfig();
rafyRawSection.Bind(multiTenancyConfig);
foreach (var domain in multiTenancyConfig.Domains)
{
var newdomain = new MultiTenancyDomain
{
Name = domain.Name,
Rule = domain.Rule
};
if (domain.DataNodes == null)
{
throw new MultiTenancyConfigException();
}
newdomain.DataNodes = new List <MultiTenancyDataNode>();
foreach (var dn in domain.DataNodes)
{
newdomain.DataNodes.Add(new MultiTenancyDataNode
{
Sort = dn.Sort,
IdRightBound = dn.IdRightBound,
DbSettingName = dn.DbSettingName
});
}
shardMap.Domains.Add(newdomain);
}
#endif
ValidateAndSetDataNode(shardMap);
InitShardMapList(shardMap);
}
/// <summary>
/// 验证配置数据节点
/// </summary>
/// <param name="shardMap"></param>
private static void ValidateAndSetDataNode(ShardMapConfigModels shardMap)
{
if (shardMap.Domains.Count == 0)
{
throw new MultiTenancyConfigException();
}
foreach (var domain in shardMap.Domains)
{
var idrangelist = new List <long[, ]>();
if (domain.DataNodes.Count < 1)
{
throw new MultiTenancyConfigException();
}
var datanodes = domain.DataNodes.OrderBy(t => t.Sort).ToList();
if (domain.DataNodes.Count == 1 && string.IsNullOrEmpty(datanodes.Last().IdRightBound))
{
datanodes[0].IdRange = new long[, ] {
{ 1, long.MaxValue }
};
}
else
{
if (!string.IsNullOrEmpty(datanodes.Last().IdRightBound))
{
throw new MultiTenancyConfigException();
}
var lastidmax = 0L;
for (var i = 0; i < datanodes.Count; i++)
{
var idRightBound = datanodes[i].IdRightBound;
if (i < datanodes.Count - 1 && string.IsNullOrEmpty(idRightBound))
{
throw new MultiTenancyConfigException();
}
var idmax = 0L;
var idmin = 0L;
if (!string.IsNullOrEmpty(idRightBound))
{
if (!long.TryParse(idRightBound, out idmax))
{
throw new MultiTenancyConfigException();
}
}
else
{
idmax = long.MaxValue;
}
if (i == 0)
{
idmin = 1;
}
else
{
idmin = lastidmax + 1;
}
lastidmax = idmax;
var idRange = new long[, ] {
{ idmin, idmax }
};
idrangelist.Add(idRange);
datanodes[i].IdRange = idRange;
}
for (var i = 0; i < idrangelist.Count; i++)
{
for (var j = i + 1; j < idrangelist.Count; j++)
{
var first = idrangelist[i];
var second = idrangelist[j];
if (first[0, 0] >= first[0, 1])
{
throw new MultiTenancyConfigException();
}
if (second[0, 0] >= second[0, 1])
{
throw new MultiTenancyConfigException();
}
if (first[0, 1] >= second[0, 0])
{
throw new MultiTenancyConfigException();
}
}
}
}
}
}
