//------------------------------------------------------------------------------
//
// Method: ProcessStatusMetricEvent
//
//------------------------------------------------------------------------------
/// <summary>
/// Writes a status metric event to the database.
/// </summary>
/// <param name="statusMetricEvent">The status metric event to write.</param>
protected override void ProcessStatusMetricEvent(StatusMetricEventInstance statusMetricEvent)
{
StringBuilder sqlInsertStatement = new StringBuilder();
sqlInsertStatement.Append("INSERT ");
sqlInsertStatement.Append("INTO StatusMetricInstances ");
sqlInsertStatement.Append(" ( CtgrId, ");
sqlInsertStatement.Append(" SmetId, ");
sqlInsertStatement.Append(" [Value], ");
sqlInsertStatement.Append(" [Timestamp] ");
sqlInsertStatement.Append(" ) ");
sqlInsertStatement.Append("SELECT Ctgr.CtgrId, ");
sqlInsertStatement.Append(" Smet.SmetId, ");
sqlInsertStatement.Append(" " + statusMetricEvent.Metric.Value.ToString() + ", ");
sqlInsertStatement.Append(" '" + statusMetricEvent.EventTime.ToString("yyyy-MM-dd HH:mm:ss") + "' ");
sqlInsertStatement.Append("FROM StatusMetrics Smet, ");
sqlInsertStatement.Append(" Categories Ctgr ");
sqlInsertStatement.Append("WHERE Smet.Name = '" + statusMetricEvent.Metric.Name + "' ");
sqlInsertStatement.Append(" AND Ctgr.Name = '" + metricCategoryName + "';");
dbCommand.CommandText = sqlInsertStatement.ToString();
try
{
dbCommand.ExecuteNonQuery();
}
catch (Exception e)
{
exceptionHandler.Handle(new Exception("Failed to insert instance of status metric '" + statusMetricEvent.Metric.Name + "'.", e));
}
}
//------------------------------------------------------------------------------
//
// Method: ProcessStatusMetricEvent
//
//------------------------------------------------------------------------------
/// <summary>
/// Stores the value contained in the specified status metric event.
/// </summary>
/// <param name="statusMetricEvent">The status metric event.</param>
protected override void ProcessStatusMetricEvent(StatusMetricEventInstance statusMetricEvent)
{
if (statusMetricLatestValues.ContainsKey(statusMetricEvent.MetricType) == false)
{
statusMetricLatestValues.Add(statusMetricEvent.MetricType, new StatusMetricValueContainer(statusMetricEvent.Metric));
}
statusMetricLatestValues[statusMetricEvent.MetricType].Set(statusMetricEvent.Metric.Value);
}
protected override void ProcessStatusMetricEvent(StatusMetricEventInstance statusMetricEvent)
{
StringBuilder stringBuilder = InitializeStringBuilder(statusMetricEvent.EventTime.ToLocalTime());
stringBuilder.Append(statusMetricEvent.Metric.Name);
AppendSeparatorCharacter(stringBuilder);
stringBuilder.Append(statusMetricEvent.Metric.Value);
streamWriter.WriteLine(stringBuilder.ToString());
streamWriter.Flush();
}
//------------------------------------------------------------------------------ // // Method: ProcessStatusMetricEvent // //------------------------------------------------------------------------------ /// <summary> /// Processes a logged status metric event. /// </summary> /// <param name="statusMetricEvent">The status metric event to process.</param> /// <remarks>Implementations of this method define how a status metric event should be processed after it has been retrieved from the internal buffer queue. The event could for example be written to a database, or to the console.</remarks> protected abstract void ProcessStatusMetricEvent(StatusMetricEventInstance statusMetricEvent);
