//获取键值列。
private Dictionary <string, FieldPropertyInfo> getKeyColumns(Type entityType, ModelMappingInfo m)
{
ModelMapAttribute tattr = Attribute.GetCustomAttribute(entityType, typeof(ModelMapAttribute)) as ModelMapAttribute;
if (tattr == null)
{
throw new MB.Util.APPException(string.Format("在获取实体列时 类型{0} 没有配置 ModelMapAttribute 特性,请先配置", entityType.FullName));
}
string[] keys = tattr.PrimaryKeys;
Dictionary <string, FieldPropertyInfo> pkeys = new Dictionary <string, FieldPropertyInfo>(keys.Length);
for (int i = 0; i < keys.Length; i++)
{
string keyName = keys[i];
if (m.FieldPropertys.ContainsKey(keyName))
{
pkeys.Add(keyName, m.FieldPropertys[keyName]);
}
else
{
throw new MB.Util.APPException(string.Format("指定的键值{0} 在实体类型{1}中不存在,或者存在但没有配置属性的MB.Orm.Mapping.Att.ColumnMap 特殊", keyName, entityType.FullName));
}
//MB.Util.TraceEx.Write(string.Format("指定的键值{0} 在实体类型{1}中不存在！",keyName,entityType.FullName), MB.Util.APPMessageType.SysErrInfo);
}
return(pkeys);
}
//获取映射的表名。
private ModelMappingInfo parseModelMapping(Type entityType, ModelMappingInfo m)
{
ModelMapAttribute tattr = Attribute.GetCustomAttribute(entityType, typeof(ModelMapAttribute)) as ModelMapAttribute;
if (tattr != null)
{
m.MapTable = tattr.TableName;
m.XmlConfigFileName = tattr.XmlFileName;
m.ConfigOptions = tattr.ConfigOptions;
}
else
{
m.MapTable = entityType.Name;
m.XmlConfigFileName = entityType.Name;
m.ConfigOptions = MB.Orm.Enums.ModelConfigOptions.ColumnCfgByAttribute | MB.Orm.Enums.ModelConfigOptions.CreateSqlByXmlCfg;
}
return(m);
}
/// <summary>
/// 判断该类型是否存在实体映射的配置信息。
/// </summary>
/// <param name="t"></param>
/// <returns></returns>
public bool CheckExistsModelMapping(Type t)
{
ModelMapAttribute tattr = Attribute.GetCustomAttribute(t, typeof(ModelMapAttribute)) as ModelMapAttribute;
return(tattr != null);
}