private T ValidateParameterAndReturnValue <T>(string paramName, string value)
{
try
{
return((T)Convert.ChangeType(value, typeof(T)));
}
catch
{
string errorMessage = string.Format("Value: {0} of Parameter : {1} is invalid", value, paramName);
HealthManagerHelper.PostServiceHealthReport(this.fabricClient, this.Context, SettingsValidationProperty, errorMessage, HealthState.Error);
ServiceEventSource.Current.ErrorMessage(errorMessage);
throw new ArgumentException(errorMessage);
}
}
private static void ValidateParameter <T> (string paramName, string value, FabricClient fabricClient, ServiceContext serviceContext)
{
try
{
var outValue = (T)Convert.ChangeType(value, typeof(T));
}
catch
{
string errorMessage = string.Format("Value: {0} of Parameter : {1} is invalid", value, paramName);
HealthManagerHelper.PostServiceHealthReport(fabricClient, serviceContext, SettingsValidationProperty, errorMessage, HealthState.Error);
ServiceEventSource.Current.ErrorMessage(errorMessage);
throw new ArgumentException(errorMessage);
}
}
private void InitializeConfiguration(ConfigurationPackage package)
{
string settingsDestinationPath = this.GetLocalPathForApplication(package.Path) + NtServicePath + "Settings.xml";
try
{
NtServiceConfigurationUtility.CreateConfigurationForNtService(package, settingsDestinationPath, this.fabricClient, this.Context);
if (package.Settings != null && package.Settings.Sections.Contains(settingsSectionName))
{
this.ModifySettings(package.Settings.Sections[settingsSectionName]);
}
string healthMessage = "Settings validation was successful.";
HealthManagerHelper.PostServiceHealthReport(this.fabricClient, this.Context, SettingsValidationProperty, healthMessage, HealthState.Ok, 1);
}
catch (Exception ex)
{
ServiceEventSource.Current.ErrorMessage("InitializeConfiguration failed with exception: {0}", ex);
this.Partition.ReportFault(FaultType.Permanent);
}
}
/// <summary>
/// Sets health alert for current stateless service instance
/// Typically called when there is a problem in service instance or its sub-components(NT service).
/// </summary>
/// <param name="description">description of the health report</param>
private void SetHealthAlert(string description)
{
HealthManagerHelper.PostServiceInstanceHealthReport(this.fabricClient, this.context, HealthManagerHelper.SourceId, this.healthProperty, description, HealthState.Warning);
}
/// <summary>
/// Reset the Health Alert for current stateless service instance
/// Typically called when condition causing health alert is remedied
/// </summary>
/// <param name="description">description of the health report</param>
private void ResetHealthAlert(string description)
{
HealthManagerHelper.PostServiceInstanceHealthReport(this.fabricClient, this.context, HealthManagerHelper.SourceId, this.healthProperty, description, HealthState.Ok,
HealthManagerHelper.HealthyEventTtlInMinutes);
}
