/// <summary>
/// Creates a new instance of the <see cref="AlarmMonitor"/> class.
/// </summary>
/// <param name="singleton">Indicates whether this instance should update the global reference to become the singleton.</param>
public AlarmMonitor(bool singleton = false)
{
object refreshInterval = IsolatedStorageManager.ReadFromIsolatedStorage("AlarmStatusRefreshInterval") ?? DefaultRefreshInterval;
if (!int.TryParse(refreshInterval.ToString(), out m_refreshInterval))
{
m_refreshInterval = DefaultRefreshInterval;
}
m_currentAlarmsLock = new object();
m_currentAlarms = new HashSet <Alarm>();
m_refreshTimer = new Timer(m_refreshInterval * 1000);
m_refreshTimer.Elapsed += RefreshTimer_Elapsed;
m_alarmStatusQuery = new AlarmStatusQuery();
m_alarmStatusQuery.RaisedAlarmStates += m_alarmStatusQuery_RaisedAlarmStates;
m_alarmStatusQuery.ProcessException += m_alarmStatusQuery_ProcessException;
// Load all alarms defined in the database
UpdateDefinedAlarms();
// Setup subscription to subscribe to all alarm measurements
m_subscriptionInfo = new UnsynchronizedSubscriptionInfo(false)
{
FilterExpression = "FILTER ActiveMeasurements WHERE SignalType='ALRM'"
};
m_dataSubscriber = new DataSubscriber();
m_dataSubscriber.ConnectionEstablished += m_dataSubscriber_ConnectionEstablished;
m_dataSubscriber.ReceivedServerResponse += m_dataSubscriber_ReceivedServerResponse;
m_dataSubscriber.NewMeasurements += m_dataSubscriber_NewMeasurements;
m_dataSubscriber.ProcessException += m_dataSubscriber_ProcessException;
m_dataSubscriber.ConnectionString = GetDataPublisherConnectionString();
m_dataSubscriber.OperationalModes |= OperationalModes.UseCommonSerializationFormat | OperationalModes.CompressSignalIndexCache | OperationalModes.CompressPayloadData;
m_dataSubscriber.DataLossInterval = -1;
m_dataSubscriber.Initialize();
if (singleton)
{
Default = this;
}
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="AlarmMonitor"/> object and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
if (!m_disposed)
{
try
{
if (disposing)
{
if ((object)m_refreshTimer != null)
{
m_refreshTimer.Dispose();
m_refreshTimer = null;
}
if ((object)m_alarmStatusQuery != null)
{
m_alarmStatusQuery.RaisedAlarmStates -= m_alarmStatusQuery_RaisedAlarmStates;
m_alarmStatusQuery.ProcessException -= m_alarmStatusQuery_ProcessException;
m_alarmStatusQuery.Dispose();
m_alarmStatusQuery = null;
}
if ((object)m_dataSubscriber != null)
{
m_dataSubscriber.ConnectionEstablished -= m_dataSubscriber_ConnectionEstablished;
m_dataSubscriber.ReceivedServerResponse -= m_dataSubscriber_ReceivedServerResponse;
m_dataSubscriber.NewMeasurements -= m_dataSubscriber_NewMeasurements;
m_dataSubscriber.ProcessException -= m_dataSubscriber_ProcessException;
m_dataSubscriber.Dispose();
m_dataSubscriber = null;
}
}
}
finally
{
m_disposed = true; // Prevent duplicate dispose.
}
}
}
/// <summary>
/// Creates a new instance of the <see cref="AlarmMonitor"/> class.
/// </summary>
/// <param name="singleton">Indicates whether this instance should update the global reference to become the singleton.</param>
public AlarmMonitor(bool singleton = false)
{
object refreshInterval = IsolatedStorageManager.ReadFromIsolatedStorage("AlarmStatusRefreshInterval") ?? DefaultRefreshInterval;
if (!int.TryParse(refreshInterval.ToString(), out m_refreshInterval))
m_refreshInterval = DefaultRefreshInterval;
m_currentAlarmsLock = new object();
m_currentAlarms = new HashSet<Alarm>();
m_refreshTimer = new Timer(m_refreshInterval * 1000);
m_refreshTimer.Elapsed += RefreshTimer_Elapsed;
m_alarmStatusQuery = new AlarmStatusQuery();
m_alarmStatusQuery.RaisedAlarmStates += m_alarmStatusQuery_RaisedAlarmStates;
m_alarmStatusQuery.ProcessException += m_alarmStatusQuery_ProcessException;
// Load all alarms defined in the database
UpdateDefinedAlarms();
// Setup subscription to subscribe to all alarm measurements
m_subscriptionInfo = new UnsynchronizedSubscriptionInfo(false)
{
FilterExpression = "FILTER ActiveMeasurements WHERE SignalType='ALRM'"
};
m_dataSubscriber = new DataSubscriber();
m_dataSubscriber.ConnectionEstablished += m_dataSubscriber_ConnectionEstablished;
m_dataSubscriber.ReceivedServerResponse += m_dataSubscriber_ReceivedServerResponse;
m_dataSubscriber.NewMeasurements += m_dataSubscriber_NewMeasurements;
m_dataSubscriber.ProcessException += m_dataSubscriber_ProcessException;
m_dataSubscriber.ConnectionString = GetDataPublisherConnectionString();
m_dataSubscriber.OperationalModes |= OperationalModes.UseCommonSerializationFormat | OperationalModes.CompressSignalIndexCache | OperationalModes.CompressPayloadData;
m_dataSubscriber.DataLossInterval = -1;
m_dataSubscriber.Initialize();
if (singleton)
Default = this;
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="AlarmMonitor"/> object and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
if (!m_disposed)
{
try
{
if (disposing)
{
if ((object)m_refreshTimer != null)
{
m_refreshTimer.Dispose();
m_refreshTimer = null;
}
if ((object)m_alarmStatusQuery != null)
{
m_alarmStatusQuery.RaisedAlarmStates -= m_alarmStatusQuery_RaisedAlarmStates;
m_alarmStatusQuery.ProcessException -= m_alarmStatusQuery_ProcessException;
m_alarmStatusQuery.Dispose();
m_alarmStatusQuery = null;
}
if ((object)m_dataSubscriber != null)
{
m_dataSubscriber.ConnectionEstablished -= m_dataSubscriber_ConnectionEstablished;
m_dataSubscriber.ReceivedServerResponse -= m_dataSubscriber_ReceivedServerResponse;
m_dataSubscriber.NewMeasurements -= m_dataSubscriber_NewMeasurements;
m_dataSubscriber.ProcessException -= m_dataSubscriber_ProcessException;
m_dataSubscriber.Dispose();
m_dataSubscriber = null;
}
}
}
finally
{
m_disposed = true; // Prevent duplicate dispose.
}
}
}