public static ColumnAttribute GetColumnAttribute(PropertyInfo propertyInfo)
{
if (propertyInfo.PropertyType == typeof(DataRow))
{
return(null);
}
ColumnAttribute[] attributes = CustomAttributeProvider.GetAttributes <ColumnAttribute>(propertyInfo);
foreach (ColumnAttribute attribute in attributes)
{
if (attribute.ColumnName == String.Empty)
{
attribute.ColumnName = propertyInfo.Name;
}
if (attribute.CType == CType.Auto)
{
attribute.CType = propertyInfo.PropertyType.ToCType();
}
return(attribute);
}
if (attributes.Length == 0)
{
Attribute[] non = CustomAttributeProvider.GetAttributes <NonPersistentAttribute>(propertyInfo);
if (non.Length > 0)
{
return(null);
}
non = CustomAttributeProvider.GetAttributes <AssociationAttribute>(propertyInfo);
if (non.Length > 0)
{
return(null);
}
//no other attribute defined.
if (propertyInfo.CanRead && propertyInfo.CanWrite)
{
try
{
return(new ColumnAttribute(propertyInfo.Name, propertyInfo.PropertyType.ToCType()));
}
catch (Exception)
{
return(null); //some type is not supported
}
}
}
return(null);
}
private bool IsColumn1Identity()
{
ColumnAttribute[] attributes = CustomAttributeProvider.GetAttributes <ColumnAttribute>(propertyInfo1);
if (attributes.Length == 0)
{
return(false);
}
return(attributes[0].Identity);
}
public static AssociationAttribute GetAssociationAttribute(PropertyInfo propertyInfo)
{
AssociationAttribute[] attributes = CustomAttributeProvider.GetAttributes <AssociationAttribute>(propertyInfo);
foreach (AssociationAttribute attribute in attributes)
{
return(attribute);
}
return(null);
}
public virtual void SaveAssociations()
{
foreach (PropertyInfo propertyInfo in this.columnProperties)
{
Attribute[] association = CustomAttributeProvider.GetAttributes <AssociationAttribute>(propertyInfo);
if (association.Length != 0)
{
SaveAssociationCollection(propertyInfo);
}
}
}
public static VAL Class2VAL(object instance, VAL val)
{
val["ClassName"] = new VAL(instance.GetType().FullName);
FieldInfo[] fields = instance.GetType().GetFields();
foreach (FieldInfo fieldInfo in fields)
{
if (fieldInfo.IsStatic)
{
continue;
}
Attribute[] attributes = CustomAttributeProvider.GetAttributes <NonValizedAttribute>(fieldInfo);
if (attributes.Length != 0)
{
continue;
}
attributes = CustomAttributeProvider.GetAttributes <AssociationAttribute>(fieldInfo);
if (attributes.Length != 0)
{
continue;
}
val[fieldInfo.Name] = VAL.Boxing(fieldInfo.GetValue(instance));
}
PropertyInfo[] properties = instance.GetType().GetProperties();
foreach (PropertyInfo propertyInfo in properties)
{
ValizableAttribute[] attributes = CustomAttributeProvider.GetAttributes <ValizableAttribute>(propertyInfo);
if (attributes.Length != 0 && propertyInfo.CanRead)
{
val[propertyInfo.Name] = VAL.Boxing(propertyInfo.GetValue(instance, null));
}
else
{
continue;
}
}
return(val);
}
public T[] GetAttributes <T>() where T : Attribute
{
return(CustomAttributeProvider.GetAttributes <T>(this.GetType()));
}
