public static EntityMeta GetDefineInfoFromType(Type type)
{
if (!_cache.ContainsKey(type))
{
lock (lockobject)
{
if (!_cache.ContainsKey(type))
{
EntityMeta meta = GetEntityMeta(type);
_cache.Add(type, meta);
}
}
}
return(_cache[type]);
}
private static EntityMeta GetEntityMeta(Type type)
{
EntityMeta meta = new EntityMeta();
meta.TableName = GetTableName(type);
PropertyInfo[] pinfos = type.GetProperties();
foreach (PropertyInfo p in pinfos)
{
ColumnAttribute attr = (ColumnAttribute)Attribute.GetCustomAttribute(p, typeof(ColumnAttribute));
if (attr != null)
{
EntityColumnMeta ecmeta = new EntityColumnMeta();
ecmeta.PropertyName = p.Name;
ecmeta.ColumnName = attr.ColumnName;
ecmeta.Identity = Attribute.GetCustomAttribute(p, typeof(IdentityAttribute)) != null;
ecmeta.PrimaryKey = Attribute.GetCustomAttribute(p, typeof(PrimaryKeyAttribute)) != null;
meta.Columns.Add(ecmeta);
}
}
return(meta);
}
