static DBTableStruct CreateColum(this DBTableStruct table, string name, object defaultvalue, bool autoincreasment = false, bool uniquekey = false)
{
if (table.Colums.ContainsKey(name))
{
throw new Exception(string.Format("already existed table colum {0}.", name));
}
DBColum Colum = table.Colums.GetOrAdd(name, DBColum.Create(name, defaultvalue, autoincreasment, uniquekey));
if (OnCreateColum != null)
{
OnCreateColum.Invoke(table);
}
return(table);
}
static DBTableStruct CreateTable(this string name, bool crypted)
{
if (Manager.ContainsKey(name))
{
throw new Exception("already existed table.");
}
DBTableStruct table = DBTableStruct.Create(name, crypted);
Manager.Add(name, table);
if (OnCreateTable != null)
{
OnCreateTable.Invoke(table);
}
return(table);
}
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);
}
static async void OnCreateColumVoid(DBTableStruct table)
{
int maxValues = table.Colums.Values.OrderByDescending(p => p.Values.Count).FirstOrDefault().Values.Count;
foreach (DBColum colum in table.Colums.Values.Where(p => p.Values.Count < maxValues))
{
int neededvalues = maxValues - colum.Values.Count;
await Task.Run(() =>
{
while (neededvalues > 0)
{
colum.Add(colum.DefaultValue);
--neededvalues;
}
});
}
}
static async void OnCreateTableVoid(DBTableStruct table)
{
await Task.Run(() => { });
}
