//获取配置的列信息。
private ModelMappingInfo parseMetaData(Type t, ModelMappingInfo m)
{
#region 字段信息
PropertyInfo[] pinfos = t.GetProperties(); //所有的属性
m.FieldPropertys = new Dictionary <string, FieldPropertyInfo>(pinfos.Length);
foreach (PropertyInfo pinfo in pinfos)
{
ExclusiveAttribute eattr = Attribute.GetCustomAttribute(pinfo, typeof(ExclusiveAttribute)) as ExclusiveAttribute;
if (!Object.Equals(eattr, null))
{
continue;
}
ColumnMapAttribute cattr = Attribute.GetCustomAttribute(pinfo, typeof(ColumnMapAttribute)) as ColumnMapAttribute;
if (cattr == null)
{
continue;
}
FieldPropertyInfo fd = new FieldPropertyInfo();
fd.PropertyInfo = pinfo;
fd.PropertyName = pinfo.Name;
fd.DeclaringType = pinfo.DeclaringType;
fd.FieldName = cattr.ColumnName;
fd.DbType = cattr.DbType;
fd.DefaultValue = cattr.DefaultValue;
//}
//else {
// fd.FieldName = fd.PropertyName;
// fd.DbType = DbType.Object;
// fd.DefaultValue = String.Empty;
//}
AutoIncreaseAttribute aattr = Attribute.GetCustomAttribute(pinfo, typeof(AutoIncreaseAttribute)) as AutoIncreaseAttribute;
if (!Object.Equals(null, aattr))
{
fd.AutoIncrease = m.HasAutoIncreasePorperty = true;
fd.Step = aattr.Step;
m.AutoIncreasePorperty = fd.PropertyName;
}
m.FieldPropertys.Add(fd.PropertyName, fd);
}
m.PrimaryKeys = getKeyColumns(t, m);
if (m.PrimaryKeys.Count > 1)
{
m.IsMultiPrimaryKey = true;
}
else
{
m.IsMultiPrimaryKey = false;
}
#endregion
return(m);
}
//根据类型获取对应的对象配置信息。
private ModelMappingInfo parseObjectMappingInfo(Type t)
{
ModelMappingInfo m = new ModelMappingInfo();
m.ClassName = t.Name; //类名
m.EntityType = t; //实体类的类型
parseModelMapping(t, m); //实体类映射的表
parseMetaData(t, m);
return(m);
}
//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);
}
//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);
}
