static void Add(this DBColum colum, long time, object newvalue, out Exception exp)
{
exp = null;
try
{
if (!CoreResolver.CanUse(colum, newvalue))
{
throw new WrongParameterCodeType("{0} type isn't acceptable in colum {1}.", CoreResolver.ReturnType(newvalue.GetType()).ToString(), colum.Name);
}
if (CoreResolver.UniqueDBKey(colum))
{
if (colum.Values.Contains(newvalue))
{
throw new DuplicatedUniqueValue("{0} unique value {1} existed already.", colum.Name, newvalue);
}
}
colum.Records.Add(DBColumOrderRecord.Create(DBColumOrderRecordType.Add, time, colum, newvalue));
colum.UpdatedValue = newvalue;
colum.Values.Add(newvalue);
}
catch (Exception e)
{
exp = e;
}
}
public static DBTableStruct Create(string name, bool Crypted = false)
{
var table = new DBTableStruct()
{
Name = name,
CryptoGraphieKey = string.Empty,
Colums = new ConcurrentDictionary <string, DBColum>()
};
if (Crypted)
{
table.CryptoGraphieKey = CoreResolver.RandomizedCryptionKey(name);
}
return(table);
}
public static T ValidateDB <T>(this T obj)
where T : new()
{
List <Tuple <PropertyInfo, CoreProperty, object> > items = new List <Tuple <PropertyInfo, CoreProperty, object> >();
if (obj.GetType().GetCustomAttributes(typeof(CoreStruct), false).Length > 0)
{
foreach (var properity in obj.GetType().GetProperties())
{
if (properity.IsDefined(typeof(CoreProperty), false))
{
var pattribute = properity.GetCustomAttributes <CoreProperty>(false).Where(p => CoreResolver.DefinedAttribute(p));
if (pattribute.Count() > 0)
{
items.Add(Tuple.Create(properity, pattribute.FirstOrDefault(), properity.GetValue(obj)));
}
}
}
int index = constructors.FindIndex(0, e => e.Item1.Equals(obj));
if (index == -1)
{//add to constructors
constructors.Add(Tuple.Create(obj.GetType(), (CoreStruct)obj.GetType().GetCustomAttribute(typeof(CoreStruct), false), items));
}
else
{//update parameters
constructors.RemoveAt(index);
constructors.Add(Tuple.Create(obj.GetType(), (CoreStruct)obj.GetType().GetCustomAttribute(typeof(CoreStruct), false), items));
}
}
/*if (!XThread.IsAlive)
* XThread.Start();*/
return(obj);
}