public void InsertValue(int pointId, DateTime timestamp, double value)
{
TSPoint point = fDB.Get <TSPoint>(pointId);
string tableName = point.GetDataTableName();
InsertValue(tableName, timestamp, value);
}
public void DeleteValue(int pointId, DateTime timestamp)
{
TSPoint point = fDB.Get <TSPoint>(pointId);
string tableName = point.GetDataTableName();
string tsx = ALCore.FmtSQLiteDate(timestamp);
fDB.Execute(string.Format("delete from {0} where Timestamp = '{1}'", tableName, tsx));
}
public void UpdateValue(int pointId, DateTime timestamp, double value)
{
TSPoint point = fDB.Get <TSPoint>(pointId);
string tableName = point.GetDataTableName();
string tsx = ALCore.FmtSQLiteDate(timestamp);
string vx = ALCore.FmtSQLiteFloat(value);
string query = string.Format("update {0} set Value = '{1}' where Timestamp = '{2}'", tableName, vx, tsx);
fDB.Execute(query);
}
public IList <TSValue> QueryValues(int pointId, DateTime begTime, DateTime endTime)
{
TSPoint point = fDB.Get <TSPoint>(pointId);
string tableName = point.GetDataTableName();
string tsBeg = ALCore.FmtSQLiteDate(begTime);
string tsEnd = ALCore.FmtSQLiteDate(endTime);
string query = string.Format("select * from {0} where Timestamp between '{1}' and '{2}'", tableName, tsBeg, tsEnd);
return(fDB.Query <TSValue>(query));
}
public void DeletePoint(TSPoint point)
{
string tableName = point.GetDataTableName();
string idxExpr = string.Format("drop index \"{0}_Timestamp\"", tableName);
fDB.Execute(idxExpr);
string tblExpr = string.Format("drop table {0}", tableName);
fDB.Execute(tblExpr);
fDB.Delete(point);
}
public void AddPoint(TSPoint point)
{
fDB.Insert(point);
string tableName = point.GetDataTableName();
string tblExpr = string.Format("create table {0}(\"Timestamp\" datetime, \"Value\" float)", tableName);
fDB.Execute(tblExpr);
string idxExpr = string.Format("create unique index \"{0}_Timestamp\" on \"{1}\"(\"Timestamp\")", tableName, tableName);
fDB.Execute(idxExpr);
}
public void ReceivePointValue(int pointId, DateTime timestamp, double value)
{
TSPoint point = fDB.Get <TSPoint>(pointId);
SDCompression compression;
if (!fCompressionCache.TryGetValue(pointId, out compression))
{
compression = new SDCompression(point.Deviation, 60 * 10); // default: 60sec * 10min
fCompressionCache.Add(pointId, compression);
}
if (compression.ReceivePoint(ref timestamp, ref value))
{
string tableName = point.GetDataTableName();
InsertValue(tableName, timestamp, value);
}
}