public string CastedValueOrNullConstant(object value, string name, string className)
{
IType type = new FieldDetails(className, name).GetFieldType();
if (type == null)
return null;
return value != null && value.ToString() != "null" ? type.Cast(value).ToString() : "null";
}
public object CheckIfObjectCanBeCasted(string classname, string fieldname, object data)
{
if (null == data && "null" == data.ToString())
return false;
IType objectType = new FieldDetails(classname, fieldname).GetFieldType();
if (objectType == null)
return null;
return objectType.Cast(data);
}
public bool ValidateDataType(string classname, string fieldname, object data)
{
if (null == data && "null" == data.ToString())
return false;
IType objectType = new FieldDetails(classname, fieldname).GetFieldType();
if (objectType == null)
return false;
objectType.Cast(data);
return true;
}
public static void SaveValues(long id, string attribName, object newValue, int offset)
{
try
{
object targetObject = Db4oClient.Client.Ext().GetByID(id);
Db4oClient.Client.Ext().Activate(targetObject, 2);
IReflectClass rclass = DataLayerCommon.ReflectClassFor(targetObject);
IReflectField rfield = DataLayerCommon.GetDeclaredFieldInHeirarchy(rclass, attribName);
IType type = new FieldDetails(rclass.GetName(), attribName).GetFieldType();
object obj = rfield.Get(targetObject);
if (obj is IDictionary)
{
SaveDictionary(targetObject, attribName, newValue, KeyAtIndex((IDictionary)obj, offset/2));
}
else
{
if (rfield != null && !(rfield is GenericVirtualField || rfield.IsStatic()))
{
if (type.IsArray || type.IsCollection)
{
IList list = obj as IList;
if (null != list)
{
list[offset] = newValue;
rfield.Set(targetObject, list);
}
}
}
}
}
catch (Exception oEx)
{
Db4oClient.Client.Rollback();
LoggingHelper.HandleException(oEx);
}
}
public static bool CheckForCollection(string className, string fieldname)
{
IType type = new FieldDetails(className, fieldname).GetFieldType();
return CheckIsCollection(type);
}
private static FieldProperties FieldPropertiesFor(string className, IReflectField field)
{
FieldProperties fp = new FieldProperties(field.GetName(), field.GetFieldType().GetName());
FieldDetails fd = new FieldDetails(className, fp.Field);
fp.m_isPublic = fd.GetModifier();
fp.m_isIndexed = fd.IsIndexed();
return fp;
}
