public void init(Fastdb sdb)
{
//var dbkv = _keyValue.Query("select top " + sdb.max + " * from KeyValueSTs order by newid()", new SqlParameter[] { }).ToList();
var dbkv = _keyValue.Query("select * from KeyValueSTs", new SqlParameter[] { }).ToList();
foreach (var item in dbkv)
{
switch (item.type)
{
case 0:
sdb.keys.Add(item.key, new StringObject(item.value, FastDB.Core.ObjectType.fast_string, true, false, sdb.systime));
break;
case 1:
sdb.keys.Add(item.key, new FastDB.Struct.ListObject(item.value, FastDB.Core.ObjectType.fast_list, true, false, sdb.systime));
break;
case 2:
sdb.keys.Add(item.key, new FastDB.Struct.HashObject(item.value ,FastDB.Core.ObjectType.fast_hash, true, false, sdb.systime));
break;
default:
break;
}
}
///TODO
/// sdb.auths
/// sdb.users
}
public FastObject Get(string key)
{
database = Fastdb.Instance();
var value= database.keys[key];
value.refcount++;
value.lasttime = database.systime;
return value;
}
public void Update(string key, FastObject entity)
{
database = Fastdb.Instance();
if( database.keys.ContainsKey(key))
{
database.keys[key] = entity;
}
database.dirty.Enqueue(new changelog { operaType = OperationType.Update, Key = key, Value = entity });
}
public void Delete(string key)
{
database = Fastdb.Instance();
if (database.keys.ContainsKey(key))
{
database.keys.Remove(key);
}
database.dirty.Enqueue(new changelog { operaType = OperationType.Delete, Key = key, Value = null });
}
public void Load(string key, FastObject entity)
{
database = Fastdb.Instance();
database.keys.Add(key, entity);
}
public void Insert(string key, FastObject entity)
{
database = Fastdb.Instance();
database.keys.Add(key, entity);
database.dirty.Enqueue(new changelog { operaType=OperationType.Insert,Key= key,Value= entity });
}
public bool EnSure(string key)
{
database = Fastdb.Instance();
return database.keys.ContainsKey(key);
}
public void sync(Fastdb sdb)
{
//阻塞操作
sdb.isrunning = true;
//同步未存储键
while (sdb.dirty.Count != 0)
{
var item = sdb.dirty.Dequeue();
switch (item.operaType)
{
case OperationType.Insert:
Insert(item.Key, item.Value);
break;
case OperationType.Update:
Update(item.Key, item.Value);
break;
case OperationType.Delete:
Delete(item.Key);
break;
case OperationType.None:
break;
default:
break;
}
}
//剔除冷键
//if (sdb.keys.Count > sdb.max)
//{
// sdb.keys = sdb.keys.OrderByDescending(p => p.Value.refcount).Take(sdb.max).ToDictionary(o => o.Key, o => o.Value);
//}
//同步时间
sdb.lastsync = sdb.systime;
sdb.isrunning = false;
}
public void stop(Fastdb sdb)
{
while (sdb.isrunning)
{
}
sdb.isrunning = true;
while (sdb.dirty.Count != 0)
{
var item = sdb.dirty.Dequeue();
switch (item.operaType)
{
case OperationType.Insert:
Insert(item.Key, item.Value);
break;
case OperationType.Update:
Update(item.Key, item.Value);
break;
case OperationType.Delete:
Delete(item.Key);
break;
case OperationType.None:
break;
default:
break;
}
}
}
