private static string GetOrderByString(PropertyInformation pi)
{
var pd = pi.PropertyDefinition;
CustomAttribute ca;
switch (pi.FieldType)
{
case FieldType.HasOne:
ca = pd.GetCustomAttribute(KnownTypesHandler.HasOneAttribute);
break;
case FieldType.HasMany:
ca = pd.GetCustomAttribute(KnownTypesHandler.HasManyAttribute);
break;
case FieldType.HasAndBelongsToMany:
ca = pd.GetCustomAttribute(KnownTypesHandler.HasAndBelongsToManyAttribute);
break;
default:
throw new ApplicationException("Impossiable");
}
var value = (string)ca.GetField("OrderBy");
return(value);
}
public TypeDefinition Generate()
{
_startIndex = _model.Properties.Count;
foreach (var property in _composedOfType.Properties)
{
var name = "$" + _instanceName + "$" + property.Name;
var dbn = _instanceName + property.Name;
var pd = TypeFactory.CreateProperty(name, PropAttr, property.PropertyType, _handler);
foreach (var attribute in property.CustomAttributes)
{
pd.CustomAttributes.Add(attribute);
}
if (pd.GetCustomAttribute(KnownTypesHandler.DbColumnAttribute) == null)
{
pd.CustomAttributes.Add(_handler.GetDbColumn(dbn));
}
_model.Properties.Add(pd);
_model.Methods.Add(pd.GetMethod);
_model.Methods.Add(pd.SetMethod);
var pi = new PropertyInformation {
PropertyDefinition = pd, FieldType = FieldType.Normal
};
var pp = new PropertyProcessor(pi, _model, _handler);
pp.Process();
}
GenerateClass();
return(_result);
}
private static void ProcessPropertySetExclude(PropertyInformation pi, IlBuilder processor)
{
processor.LoadArg(0);
processor.LoadArg(1);
processor.SetField(pi.FieldDefinition);
processor.Return();
processor.Append();
}
private void ProcessProperty(PropertyInformation pi)
{
var pp = new PropertyProcessor(pi, _model, _handler);
pp.Process();
if (pi.IsComposedOf)
{
ProcessComposedOfAttribute(pi);
}
}
private static void CheckIsPublicGetAndPrivateSet(PropertyInformation pi)
{
if (pi.PropertyDefinition.SetMethod.IsPublic)
{
Throw(pi, "The setter of property [{0}] should be private. Example:\npublic string Name { get; private set; }");
}
if (!pi.PropertyDefinition.GetMethod.IsPublic)
{
Throw(pi, "The getter of property [{0}] should be public");
}
}
private void CheckNormalProperty(PropertyInformation pi)
{
var t = pi.PropertyDefinition.PropertyType;
if (!t.IsValueType && !t.IsArray && t.FullName != KnownTypesHandler.String)
{
if (!pi.IsExclude && !pi.IsComposedOf && (pi.FieldType == FieldType.Normal || pi.FieldType == FieldType.LazyLoad))
{
Throw(pi, "The property '{0}' should define as relation field and can not set lazy load attribute");
}
}
}
private void ProcessComposedOfAttribute(PropertyInformation pi)
{
var gen = new ComposedOfClassGenerator(_model, pi, _handler);
_coTypes.Add(new KeyValuePair <TypeDefinition, FieldDefinition>(gen.Generate(), pi.FieldDefinition));
foreach (var attribute in pi.PropertyDefinition.CustomAttributes)
{
if (attribute.AttributeType.FullName == KnownTypesHandler.ComposedOfAttribute)
{
pi.PropertyDefinition.CustomAttributes.Remove(attribute);
break;
}
}
pi.PropertyDefinition.CustomAttributes.Add(_handler.GetExclude());
}
private static void CheckComposedOfProperty(PropertyInformation pi)
{
if (pi.IsComposedOf)
{
CheckIsPublicGetAndPrivateSet(pi);
var t = pi.PropertyDefinition.PropertyType;
if (t.IsValueType || t.IsArray || t.FullName == KnownTypesHandler.String)
{
Throw(pi, "Property [{0}] mark as ComposedOf but the type is wrong");
}
if (pi.FieldType != FieldType.Normal)
{
Throw(pi, "Property [{0}] could not mark as ComposedOf and relations");
}
}
}
public ComposedOfClassGenerator(TypeDefinition model, PropertyInformation pi, KnownTypesHandler handler)
{
this._composedOfType = pi.PropertyDefinition.PropertyType.Resolve();
if (!_composedOfType.IsInterface)
{
throw new DataException("ComposedOf type must be interface.");
}
if (!_composedOfType.HasProperties)
{
throw new DataException("ComposedOf type must has properties.");
}
this._model = model;
this._handler = handler;
this._instanceName = pi.PropertyDefinition.Name;
_result = TypeFactory.CreateType(handler, model, _composedOfType);
}
private static void CheckPropertyAccessable(PropertyInformation pi)
{
if (pi.IsSpecialForeignKey)
{
CheckIsPublicGetAndPrivateSet(pi);
}
else if (pi.FieldType == FieldType.HasMany || pi.FieldType == FieldType.HasAndBelongsToMany)
{
if (!pi.PropertyDefinition.PropertyType.Name.StartsWith("IList`1"))
{
Throw(pi, "Property [{0}] should be IList<T>");
}
CheckIsPublicGetAndPrivateSet(pi);
}
else if (!pi.IsComposedOf)
{
if (!pi.PropertyDefinition.SetMethod.IsPublic || !pi.PropertyDefinition.GetMethod.IsSpecialName)
{
Throw(pi, "The getter/setter of property [{0}] should be public");
}
}
}
private void ProcessGenericPropertyInConstructor(PropertyInformation pi, IlBuilder processor)
{
processor.LoadArg(0).LoadArg(0);
MethodReference ci1;
var ft = (GenericInstanceType)pi.FieldDefinition.FieldType;
if (pi.IsHasOne || pi.IsHasMany || pi.IsHasAndBelongsToMany)
{
ci1 = ft.GetConstructor(typeof(DbObjectSmartUpdate), typeof(string), typeof(string));
var ob = GetOrderByString(pi);
if (string.IsNullOrEmpty(ob))
{
processor.LoadNull();
}
else
{
processor.LoadString(ob);
}
}
else
{
ci1 = ft.GetConstructor(typeof(DbObjectSmartUpdate), typeof(string));
}
if (pi.IsLazyLoad)
{
processor.LoadString(pi.ColumnName);
}
else
{
processor.Nop().Nop().Nop().Nop().LoadString(pi.FieldDefinition.Name);
}
var ctor = _handler.Import(ci1);
ctor.DeclaringType = ft; //NOTE: might be a bug of Cecil
processor.NewObj(ctor);
processor.SetField(pi.FieldDefinition);
}
private void ProcessSpecialForeignKey(PropertyInformation property)
{
// process set
var processor = PropertyProcessor.PreProcessPropertyMethod(property.PropertyDefinition.SetMethod);
PropertyProcessor.ProcessPropertySetElse(processor);
// remove field
_model.Fields.Remove(property.FieldDefinition);
// process get
var name = property.PropertyDefinition.Name;
name = name.Substring(0, name.Length - 2);
var pi = FindProperty(name);
processor = PropertyProcessor.PreProcessPropertyMethod(property.PropertyDefinition.GetMethod);
processor.LoadArg(0);
processor.LoadField(pi.FieldDefinition);
processor.CallVirtual(_handler.BelongsToInterfaceGetForeignKey);
processor.CastOrUnbox(property.PropertyDefinition.PropertyType, _handler);
processor.Return();
processor.Append();
// add exclude
property.PropertyDefinition.CustomAttributes.Add(_handler.GetExclude());
}
public PropertyProcessor(PropertyInformation pi, TypeDefinition model, KnownTypesHandler handler)
{
this._pi = pi;
this._model = model;
this._handler = handler;
}
private void CheckProperty(PropertyInformation pi)
{
CheckNormalProperty(pi);
CheckComposedOfProperty(pi);
CheckPropertyAccessable(pi);
}
private static void Throw(PropertyInformation pi, string stringTemplate)
{
throw new DataException(string.Format(stringTemplate, pi.PropertyDefinition.Name));
}
