/// <summary>构造函数</summary>
/// <param name="table"></param>
/// <param name="property"></param>
public FieldItem(TableItem table, PropertyInfo property)
{
if (property == null)
{
throw new ArgumentNullException("property");
}
_Table = table;
_Property = property;
_Column = BindColumnAttribute.GetCustomAttribute(_Property);
_DataObjectField = DataObjectAttribute.GetCustomAttribute(_Property, typeof(DataObjectFieldAttribute)) as DataObjectFieldAttribute;
_Description = DescriptionAttribute.GetCustomAttribute(_Property, typeof(DescriptionAttribute)) as DescriptionAttribute;
}
/// <summary>构造函数</summary>
/// <param name="table"></param>
/// <param name="property">属性</param>
public FieldItem(TableItem table, PropertyInfo property)
{
Table = table;
if (property != null)
{
_Property = property;
var dc = _Column = BindColumnAttribute.GetCustomAttribute(property);
var df = _DataObjectField = property.GetCustomAttribute<DataObjectFieldAttribute>();
var ds = _Description = property.GetCustomAttribute<DescriptionAttribute>();
var di = _DisplayName = property.GetCustomAttribute<DisplayNameAttribute>();
Map = property.GetCustomAttribute<MapAttribute>();
Name = property.Name;
Type = property.PropertyType;
DeclaringType = property.DeclaringType;
if (df != null)
{
IsIdentity = df.IsIdentity;
PrimaryKey = df.PrimaryKey;
IsNullable = df.IsNullable;
Length = df.Length;
IsDataObjectField = true;
}
if (dc != null)
{
Master = dc.Master;
}
if (dc != null && !dc.Name.IsNullOrWhiteSpace())
ColumnName = dc.Name;
else
ColumnName = Name;
if (ds != null && !String.IsNullOrEmpty(ds.Description))
Description = ds.Description;
else if (dc != null && !String.IsNullOrEmpty(dc.Description))
Description = dc.Description;
if (di != null && !di.DisplayName.IsNullOrEmpty())
DisplayName = di.DisplayName;
var map = Map;
if (map == null || map.Provider == null) ReadOnly = !property.CanWrite;
var ra = property.GetCustomAttribute<ReadOnlyAttribute>();
if (ra != null) ReadOnly = ra.IsReadOnly;
}
}
/// <summary>
/// 获取实体类的描述名
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
static String GetDescription(Type type)
{
return(desCache.GetItem(type, delegate(Type key)
{
if (!typeof(IEntity).IsAssignableFrom(key))
{
return null;
}
BindColumnAttribute att = AttributeX.GetCustomAttribute <BindColumnAttribute>(key, true);
if (att != null && !String.IsNullOrEmpty(att.Description))
{
return att.Description;
}
DescriptionAttribute att2 = AttributeX.GetCustomAttribute <DescriptionAttribute>(key, true);
if (att2 != null && !String.IsNullOrEmpty(att2.Description))
{
return att2.Description;
}
return null;
}));
}
/// <summary>构造函数</summary>
/// <param name="table"></param>
/// <param name="property"></param>
public FieldItem(TableItem table, PropertyInfo property)
{
if (property == null) throw new ArgumentNullException("property");
_Table = table;
_Property = property;
_Column = BindColumnAttribute.GetCustomAttribute(_Property);
_DataObjectField = DataObjectAttribute.GetCustomAttribute(_Property, typeof(DataObjectFieldAttribute)) as DataObjectFieldAttribute;
_Description = DescriptionAttribute.GetCustomAttribute(_Property, typeof(DescriptionAttribute)) as DescriptionAttribute;
}
/// <summary>构造函数</summary>
/// <param name="table"></param>
/// <param name="property">属性</param>
public FieldItem(TableItem table, PropertyInfo property)
{
//if (property == null) throw new ArgumentNullException("property");
_Table = table;
if (property != null)
{
_Property = property;
var dc = _Column = BindColumnAttribute.GetCustomAttribute(property);
var df = _DataObjectField = property.GetCustomAttribute <DataObjectFieldAttribute>();
var ds = _Description = property.GetCustomAttribute <DescriptionAttribute>();
var di = _DisplayName = property.GetCustomAttribute <DisplayNameAttribute>();
Name = property.Name;
Type = property.PropertyType;
DeclaringType = property.DeclaringType;
if (df != null)
{
IsIdentity = df.IsIdentity;
PrimaryKey = df.PrimaryKey;
IsNullable = df.IsNullable;
Length = df.Length;
IsDataObjectField = true;
}
if (dc != null)
{
_ID = dc.Order;
Master = dc.Master;
}
if (dc != null && !dc.Name.IsNullOrWhiteSpace())
{
ColumnName = dc.Name;
}
else
{
ColumnName = Name;
}
if (ds != null && !String.IsNullOrEmpty(ds.Description))
{
Description = ds.Description;
}
else if (dc != null && !String.IsNullOrEmpty(dc.Description))
{
Description = dc.Description;
}
if (di != null && !di.DisplayName.IsNullOrEmpty())
{
DisplayName = di.DisplayName;
}
_ReadOnly = !property.CanWrite;
var ra = property.GetCustomAttribute <ReadOnlyAttribute>();
if (ra != null)
{
_ReadOnly = ra.IsReadOnly;
}
}
}
