private void LoadRangeLimits(MeterDataSet meterDataSet)
{
Dictionary <Channel, List <TrendingDataSummaryResource.TrendingDataSummary> > trendingDataSummaries;
AlarmData.AlarmRangeLimitDataTable rangeLimitTable;
Channel channel;
trendingDataSummaries = meterDataSet.GetResource <TrendingDataSummaryResource>().TrendingDataSummaries;
rangeLimitTable = new AlarmData.AlarmRangeLimitDataTable();
foreach (KeyValuePair <Channel, List <TrendingDataSummaryResource.TrendingDataSummary> > summaries in trendingDataSummaries)
{
channel = summaries.Key;
InitializeRangeLimitTable(rangeLimitTable, channel);
// Update alarm log for each excursion
foreach (TrendingDataSummaryResource.TrendingDataSummary summary in summaries.Value)
{
foreach (AlarmData.AlarmRangeLimitRow rangeLimit in rangeLimitTable.Where(row => row.Enabled != 0))
{
CheckAlarm(channel, summary, rangeLimit);
}
}
}
}
private void InitializeRangeLimitTable(AlarmData.AlarmRangeLimitDataTable rangeLimitTable, Channel channel)
{
AlarmRangeLimitTableAdapter rangeLimitAdapter;
DefaultAlarmRangeLimitTableAdapter defaultRangeLimitAdapter;
AlarmData.DefaultAlarmRangeLimitDataTable defaultRangeLimitTable;
AlarmData.AlarmRangeLimitRow alarmRangeLimitRow;
// Clear existing rows from the range limit table
rangeLimitTable.Clear();
// Fill the range limit table with range limits for the given channel
rangeLimitAdapter = m_dbAdapterContainer.GetAdapter <AlarmRangeLimitTableAdapter>();
rangeLimitAdapter.FillBy(rangeLimitTable, channel.ID);
// If limits exist for the given channel,
// range limit table has been successfully initialized
if (rangeLimitTable.Count != 0)
{
return;
}
// Get the default range limits for the measurement type and characteristic of this channel
defaultRangeLimitAdapter = m_dbAdapterContainer.GetAdapter <DefaultAlarmRangeLimitTableAdapter>();
defaultRangeLimitTable = defaultRangeLimitAdapter.GetDataBy(channel.MeasurementTypeID, channel.MeasurementCharacteristicID);
// If there are no default limits for the channel,
// then the range limit table has been successfully initialized
if (defaultRangeLimitTable.Count == 0)
{
return;
}
lock (RangeLimitLock)
{
// Fill the range limit table one more time inside the lock to
// ensure that no other threads have written limits for this channel
rangeLimitAdapter.FillBy(rangeLimitTable, channel.ID);
// If there are still no limits defined for this channel,
// update the table to include this channel's default limits
if (rangeLimitTable.Count == 0)
{
foreach (AlarmData.DefaultAlarmRangeLimitRow row in defaultRangeLimitTable)
{
alarmRangeLimitRow = rangeLimitTable.NewAlarmRangeLimitRow();
alarmRangeLimitRow.ChannelID = channel.ID;
alarmRangeLimitRow.AlarmTypeID = row.AlarmTypeID;
alarmRangeLimitRow.Severity = row.Severity;
alarmRangeLimitRow.RangeInclusive = row.RangeInclusive;
alarmRangeLimitRow.PerUnit = row.PerUnit;
alarmRangeLimitRow.Enabled = 1;
if (!row.IsHighNull())
{
alarmRangeLimitRow.High = row.High;
}
if (!row.IsLowNull())
{
alarmRangeLimitRow.Low = row.Low;
}
rangeLimitTable.AddAlarmRangeLimitRow(alarmRangeLimitRow);
}
using (SqlBulkCopy bulkCopy = new SqlBulkCopy(m_dbAdapterContainer.Connection))
{
bulkCopy.BulkCopyTimeout = 0;
bulkCopy.DestinationTableName = rangeLimitTable.TableName;
bulkCopy.WriteToServer(rangeLimitTable);
}
}
}
}