internal DBHelper GetDBHelper(DataAccessType accessType = DataAccessType.Default)
{
DBLocation.DataAccessType = accessType;
var helper = SettingConfig.GetDBAccessBuild(DBLocation).GetDBHelper();
return(helper);
}
internal CoreHelper.DBHelper GetDBHelper(DataAccessType accessType = DataAccessType.Default)
{
DBLocation.DataAccessType = accessType;
var helper = SettingConfig.GetDbAccess(DBLocation);
return(helper);
}
internal override DbContext GetDbContext()
{
dbLocation.ManageName = ManageName;
var helper = SettingConfig.GetDBAccessBuild(dbLocation).GetDBHelper();
var dbContext = new DbContext(helper, dbLocation);
return(dbContext);
}
internal AbsDBExtend copyDBExtend()
{
var helper = SettingConfig.GetDbAccess(dbContext.DBLocation);
var dbContext2 = new DbContext(helper, dbContext.DBLocation);
dbContext2.ShardingMainDataIndex = dbContext.ShardingMainDataIndex;
dbContext2.UseSharding = dbContext.UseSharding;
return(DBExtendFactory.CreateDBExtend(dbContext2));
}
internal override DbContext GetDbContext()
{
if (SettingConfig.GetDbAccess == null)
{
throw new Exception("请配置CRL数据访问对象,实现CRL.SettingConfig.GetDbAccess");
}
var helper = SettingConfig.GetDbAccess(dbLocation);
var dbContext = new DbContext(helper, dbLocation);
return(dbContext);
}
static DbContext getDbContext <T>(string manageName)
{
var dbLocation = new CRL.DBLocation()
{
DataAccessType = DataAccessType.Default, ManageType = typeof(T), ManageName = manageName
};
var helper = SettingConfig.GetDBAccessBuild(dbLocation).GetDBHelper();
var dbContext = new DbContext(helper, dbLocation);
return(dbContext);
}
static DbContext getDbContext <T>()
{
var dbLocation = new CRL.DBLocation()
{
DataAccessType = DataAccessType.Default, ManageType = typeof(T)
};
var helper = SettingConfig.GetDbAccess(dbLocation);
var dbContext = new DbContext(helper, dbLocation);
return(dbContext);
}
/// <summary>
/// 仅用来检查表结构
/// </summary>
/// <returns></returns>
DBExtend GetBackgroundDBExtend()
{
if (backgroundDBExtend == null)
{
var helper = SettingConfig.GetDbAccess(dbContext.DBLocation);
var dbContext2 = new DbContext(helper, dbContext.DBLocation);
dbContext2.ShardingMainDataIndex = dbContext.ShardingMainDataIndex;
dbContext2.UseSharding = dbContext.UseSharding;
backgroundDBExtend = new DBExtend(dbContext2);
}
return(backgroundDBExtend);
}
/// <summary>
/// 数据访问对象[基本方法]
/// 按指定的类型
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
protected DBExtend GetDbHelper(Type type)
{
if (SettingConfig.GetDbAccess == null)
{
throw new Exception("请配置CRL数据访问对象,实现CRL.SettingConfig.GetDbAccess");
}
CoreHelper.DBHelper helper = SettingConfig.GetDbAccess(type);
var db = new DBExtend(helper);
db.OnUpdateNotifyCacheServer = OnUpdateNotifyCacheServer;
TypeCache.SetDBAdapterCache(typeof(TModel), db._DBAdapter);
return(db);
}
internal override DbContext GetDbContext()
{
DbContext dbContext = null;
////cache = false;
//string contextName = "DbContext." + GetType().Name;//同一线程调用只创建一次
//var _BeginTransContext = CallContext.GetData<bool>(Base.CRLContextName);
//if (_BeginTransContext)//对于数据库事务,只创建一个上下文
//{
// contextName = "TransDbContext";
//}
//if (cache)
//{
// dbContext = CallContext.GetData<DbContext>(contextName);
//}
//if (dbContext != null)
//{
// return dbContext;
//}
if (SettingConfig.GetDbAccess == null)
{
throw new CRLException("请配置CRL数据访问对象,实现CRL.SettingConfig.GetDbAccess");
}
var helper = SettingConfig.GetDbAccess(dbLocation);
//helper.Name = Guid.NewGuid().ToString();
dbContext = new DbContext(helper, dbLocation);
//if (cache)
//{
// dbContext.Name = contextName;
// var allKey = "AllDbContext";
// var allList = Base.GetCallDBContext();
// CallContext.SetData(contextName, dbContext);
// allList.Add(contextName);
// CallContext.SetData(allKey, allList);
//}
return(dbContext);
}
static void SetProperties(Attribute.TableAttribute table)
{
if (table.Fields.Count > 0)
{
return;
}
var type = table.Type;
List <Attribute.FieldAttribute> list = new List <CRL.Attribute.FieldAttribute>();
var fieldDic = new IgnoreCaseDictionary <Attribute.FieldAttribute>();
//string fieldPat = @"^([A-Z][a-z|\d]+)+$";
int n = 0;
Attribute.FieldAttribute keyField = null;
#region 读取
var typeArry = table.Type.GetProperties().ToList();
//移除重复的
var dic = new Dictionary <string, PropertyInfo>();
foreach (PropertyInfo info in typeArry)
{
if (!dic.ContainsKey(info.Name))
{
dic.Add(info.Name, info);
}
}
foreach (PropertyInfo info in dic.Values)
{
//if (!System.Text.RegularExpressions.Regex.IsMatch(info.Name, fieldPat))
//{
// throw new CRLException(string.Format("属性名:{0} 不符合规则:{1}", info.Name, fieldPat));
//}
//排除没有SET方法的属性
if (info.GetSetMethod() == null)
{
continue;
}
Type propertyType = info.PropertyType;
Attribute.FieldAttribute f = new CRL.Attribute.FieldAttribute();
//排除集合类型
if (propertyType.FullName.IndexOf("System.Collections") > -1)
{
continue;
}
object[] attrs = info.GetCustomAttributes(typeof(Attribute.FieldAttribute), true);
if (attrs != null && attrs.Length > 0)
{
f = attrs[0] as Attribute.FieldAttribute;
}
f.SetPropertyInfo(info);
f.PropertyType = propertyType;
f.MemberName = info.Name;
f.TableName = table.TableName;
f.ModelType = table.Type;
if (!string.IsNullOrEmpty(f.VirtualField))
{
if (SettingConfig.StringFormat != null)
{
f.VirtualField = SettingConfig.StringFormat(f.VirtualField);
}
f.VirtualField = f.VirtualField.Replace("$", "{" + type.FullName + "}");//虚拟字段使用Type名
}
//排除不映射字段
if (!f.MapingField)
{
continue;
}
if (propertyType == typeof(System.String))
{
if (f.Length == 0)
{
f.Length = 30;
}
}
if (f.IsPrimaryKey)//保存主键
{
table.PrimaryKey = f;
f.FieldIndexType = Attribute.FieldIndexType.非聚集唯一;
keyField = f;
n += 1;
}
if (f.FieldType != Attribute.FieldType.关联字段)
{
fieldDic.Add(f.MemberName, f);
}
list.Add(f);
}
if (n == 0)
{
//throw new CRLException(string.Format("对象{0}未设置任何主键", type.Name));
}
else if (n > 1)
{
throw new CRLException(string.Format("对象{0}设置的主键字段太多 {1}", type.Name, n));
}
#endregion
//主键排前面
if (keyField != null)
{
list.Remove(keyField);
list.Insert(0, keyField);
}
table.Fields = list;
table.FieldsDic = fieldDic;
}