/// <summary>
/// Write the DataValue 'dv' to the CSV file.
/// </summary>
protected virtual void WriteDataValueToCsvFile(DataValue dv)
{
TMValue tmvalue =
new TMValue(
OpcNodeId.ToString(),
dv.ServerTimestamp,
dv.WrappedValue.ToString(),
dv.StatusCode.ToString()
);
tmvalue.WriteToCsvFile();
}
public Repository(SQLiteConnection connection, OpcNodeId nodeId)
: base()
{
this.connection = connection;
this.syncRoot = new object();
var nodeIdValue = nodeId.ToString();
//this.Create(value)
{
this.createCommand = this.connection.CreateCommand();
var commandText
= "insert into HistoryData ("
+ " NodeId, "
+ " Timestamp, "
+ " TimestampValue, "
+ " Value, ";
if (!IsModifiedHistory)
{
commandText
+= " StatusCode)";
}
else
{
commandText
+= " StatusCode, "
+ " ModificationTime, "
+ " ModificationTimeValue, "
+ " ModificationType, "
+ " ModificationUserName)";
}
commandText
+= " values ("
+ " @nodeId, "
+ " @timestamp, "
+ " @timestampValue, "
+ " @value, ";
if (!IsModifiedHistory)
{
commandText
+= " @statusCode)";
}
else
{
commandText
+= " @statusCode, "
+ " @modificationTime, "
+ " @modificationTimeValue, "
+ " @modificationType, "
+ " @modificationUserName)";
}
this.createCommand.CommandText = commandText;
var parameters = this.createCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.createTimestamp = parameters.Add("@timestamp", DbType.DateTime);
this.createTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
this.createValue = parameters.Add("@value", DbType.Object);
this.createStatusCode = parameters.Add("@statusCode", DbType.Int64);
if (IsModifiedHistory)
{
this.createModificationTime = parameters.Add("@modificationTime", DbType.DateTime);
this.createModificationTimeValue = parameters.Add("@modificationTimeValue", DbType.Int64);
this.createModificationType = parameters.Add("@modificationType", DbType.Byte);
this.createModificationUserName = parameters.Add("@modificationUserName", DbType.String);
}
}
//this.Delete(timestamp)
{
this.deleteCommand = this.connection.CreateCommand();
this.deleteCommand.CommandText
= "delete from HistoryData "
+ " where NodeId = @nodeId "
+ " and TimestampValue = @timestampValue";
var parameters = this.deleteCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.deleteTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
}
//this.Delete(startTime, endTime)
{
this.deleteRangeCommand = this.connection.CreateCommand();
this.deleteRangeCommand.CommandText
= "delete from HistoryData "
+ " where NodeId = @nodeId "
+ " and TimestampValue >= @startTimeValue "
+ " and TimeStampValue <= @endTimeValue";
var parameters = this.deleteRangeCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.deleteRangeStartTimeValue = parameters.Add("@startTimeValue", DbType.Int64);
this.deleteRangeEndTimeValue = parameters.Add("@endTimeValue", DbType.Int64);
}
//this.Exists(timestamp)
{
this.existsCommand = this.connection.CreateCommand();
this.existsCommand.CommandText
= "select count(1) "
+ " from HistoryData hd "
+ " where hd.NodeId = @nodeId "
+ " and hd.TimestampValue = @timestampValue";
var parameters = this.existsCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.existsTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
}
//this.Read(timestamp)
{
this.readCommand = this.connection.CreateCommand();
var commandText
= "select hd.TimestampValue, "
+ " hd.Value, ";
if (!IsModifiedHistory)
{
commandText
+= " hd.StatusCode ";
}
else
{
commandText
+= " hd.StatusCode, "
+ " hd.ModificationTimeValue, "
+ " hd.ModificationType, "
+ " hd.ModificationUserName ";
}
commandText
+= " from HistoryData hd "
+ " where hd.NodeId = @nodeId "
+ " and hd.TimestampValue = @timestampValue";
this.readCommand.CommandText = commandText;
var parameters = this.readCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.readTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
}
//this.Read(startTime, endTime)
{
this.readRangeCommand = this.connection.CreateCommand();
var commandText
= "select hd.TimestampValue, "
+ " hd.Value, ";
if (!IsModifiedHistory)
{
commandText
+= " hd.StatusCode ";
}
else
{
commandText
+= " hd.StatusCode, "
+ " hd.ModificationTimeValue, "
+ " hd.ModificationType, "
+ " hd.ModificationUserName ";
}
commandText
+= " from HistoryData hd "
+ " where hd.NodeId = @nodeId "
+ " and hd.TimestampValue >= @startTimeValue "
+ " and hd.TimestampValue <= @endTimeValue";
this.readRangeCommand.CommandText = commandText;
var parameters = this.readRangeCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.readRangeStartTimeValue = parameters.Add("@startTimeValue", DbType.Int64);
this.readRangeEndTimeValue = parameters.Add("@endTimeValue", DbType.Int64);
}
//this.Update(value)
{
this.updateCommand = this.connection.CreateCommand();
var commandText
= "update HistoryData "
+ " set Value = @value, ";
if (!IsModifiedHistory)
{
commandText
+= " StatusCode = @statusCode ";
}
else
{
commandText
+= " StatusCode = @statusCode, "
+ " ModificationTime = @modificationTime, "
+ " ModificationTimeValue = @modificationTimeValue, "
+ " ModificationType = @modificationType, "
+ " ModificationUserName = @modificationUserName ";
}
commandText
+= "where NodeId = @nodeId "
+ " and TimestampValue = @timestampValue";
this.updateCommand.CommandText = commandText;
var parameters = this.updateCommand.Parameters;
parameters.AddWithValue("@nodeId", nodeIdValue);
this.updateTimestampValue = parameters.Add("@timestampValue", DbType.Int64);
this.updateValue = parameters.Add("@value", DbType.Object);
this.updateStatusCode = parameters.Add("@statusCode", DbType.Int64);
if (IsModifiedHistory)
{
this.updateModificationTime = parameters.Add("@modificationTime", DbType.DateTime);
this.updateModificationTimeValue = parameters.Add("@modificationTimeValue", DbType.Int64);
this.updateModificationType = parameters.Add("@modificationType", DbType.Byte);
this.updateModificationUserName = parameters.Add("@modificationUserName", DbType.String);
}
}
}
private int ReadTagChange(OpcNodeId nodeId)
{
try
{
ServiceConfig.Reader readerConfig = null;
foreach (var serviceConfig in RfidService.ServiceConfigs)
{
readerConfig =
serviceConfig.Readers.FirstOrDefault(reader =>
reader.Tags.ReaderTag.ReadTag == nodeId.ToString());
if (readerConfig != null)
{
break;
}
}
if (readerConfig == null)
{
_eventLog.WriteEntry("Unable to find matching config. Check system settings.", EventLogEntryType.Error, (int)EventIds.Ids.NullReaderError);
_client.WriteNode(nodeId, false);
return(1);
}
using (var reader = new RfidReader(readerConfig, ref _eventLog))
{
if (!reader.GetStatus())
{
_client.WriteNode(readerConfig.Tags.ErrorTag.ErrorBool, true);
_client.WriteNode(readerConfig.Tags.ErrorTag.ErrorString, "Reader not online!");
_client.WriteNode(nodeId, false);
return(1);
}
var nodeVal = reader.Read_Epc();
if (string.IsNullOrEmpty(nodeVal))
{
_client.WriteNode(readerConfig.Tags.ErrorTag.ErrorBool, true);
_client.WriteNode(readerConfig.Tags.ErrorTag.ErrorString, "No Tags Detected!");
_client.WriteNode(readerConfig.Tags.UuidTag.UuidTag, string.Empty);
}
else
{
_client.WriteNode(readerConfig.Tags.UuidTag.UuidTag, nodeVal);
}
_client.WriteNode(nodeId, false);
}
return(0);
}
catch (Exception e)
{
_eventLog.WriteEntry($"Unknown Error\n{e.Message}\n{e.StackTrace}\n\n{e.InnerException}", EventLogEntryType.Error, (int)EventIds.Ids.UnknownError);
return(1);
}
}
