public EntityManager(DataBaseAccess db)
{
object[] attrs; //datatableAttribtue
attrs = typeof(Entity).GetCustomAttributes(typeof(DataTableAttribute), true);
if (attrs.Length == 0)
{
throw new DataMappingException("此类未加上DataTable特性!");
}
DataTableAttribute tb = attrs[0] as DataTableAttribute;
tableName = tb.Name;
properties = typeof(Entity).GetProperties();
this.db = db;
}
public static string ToDisplayName(this DataTableAttribute attribute)
{
if (string.IsNullOrWhiteSpace(attribute.DisplayName) || (attribute.DisplayNameResourceType == null && DataTableGlobalConfig.SharedResourceType == null))
{
return(attribute.DisplayName);
}
var value = ResourceHelper.GetResourceLookup <string>(attribute.DisplayNameResourceType, attribute.DisplayName);
if (string.IsNullOrWhiteSpace(value))
{
return(attribute.DisplayName);
}
return(value);
}
internal static string GetDisplayName(this DataTableAttribute attribute)
{
if (string.IsNullOrWhiteSpace(attribute.DisplayName) || attribute.DisplayNameResourceType == null &&
ElectDataTableOptions.Instance.SharedResourceType == null)
{
return(attribute.DisplayName);
}
var value = TypeHelper.GetResourceLookup <string>(attribute.DisplayNameResourceType, attribute.DisplayName);
if (string.IsNullOrWhiteSpace(value))
{
return(attribute.DisplayName);
}
return(value);
}
internal static string GetDisplayName(this DataTableAttribute attribute)
{
if (string.IsNullOrWhiteSpace(attribute.DisplayName))
{
return(attribute.DisplayName);
}
// Translate by Attribute Resource Type is first Priority
if (attribute.DisplayNameResourceType != null)
{
return(MecDataTableTranslator.Get(attribute.DisplayName, attribute.DisplayNameResourceType));
}
// Translate by Shared Resource Type
return(MecDataTableTranslator.Get(attribute.DisplayName));
}
internal static string GetTableName(Type type)
{
if (type != typeof(DataEntry) && !type.IsSubclassOf(typeof(DataEntry)))
{
throw new ArgumentException(string.Format("Type {0} is not subclass of {1}", type.Name, typeof(DataEntry).Name));
}
DataTableAttribute dataTableAttribute = type.GetCustomAttributes(typeof(DataTableAttribute), false).Cast <DataTableAttribute>().FirstOrDefault <DataTableAttribute>();
if (dataTableAttribute == null)
{
throw new InvalidOperationException(string.Format("Data table attribute not found for type: {0}", type.Name));
}
string name = dataTableAttribute.Name;
if (string.IsNullOrEmpty(name))
{
throw new InvalidOperationException(string.Format("Data table name is empty for type: {0}", type.Name));
}
return(name);
}
