/// <summary>
/// ConfigurationProvider constructor.
/// </summary>
/// <param name="traceId">A unique identifier used to correlate debugging and diagnostics messages.</param>
/// <param name="serviceName">Name of the service.</param>
/// <param name="context">CodePackageActivationContext instance.</param>
/// <param name="logger">IServiceEventSource instance for logging.</param>
/// <param name="configurationName">The name of the configuration to load. This will be appended to the name of the service when looking for the file (e.g. FrontEnd.Name.json)</param>
public ConfigurationProvider(Guid traceId, Uri serviceName, ICodePackageActivationContext context, IServiceLogger logger, string configurationName = null)
{
if (serviceName == null)
{
throw new ArgumentNullException(nameof(serviceName));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (logger == null)
{
throw new ArgumentNullException(nameof(logger));
}
logger.Verbose(traceId, ComponentName, "Initializing.");
this.serviceNameUri = serviceName;
this.serviceName = this.serviceNameUri.Segments[this.serviceNameUri.Segments.Length - 1];
this.logger = logger;
this.ConfigurationName = configurationName;
// Subscribe to configuration change events if the context was passed. It will not be passed for unit tests.
context.ConfigurationPackageAddedEvent += this.ConfigurationPackageAdded;
context.ConfigurationPackageModifiedEvent += this.ConfigurationPackageModified;
context.ConfigurationPackageRemovedEvent += this.ConfigurationPackageRemoved;
// Create the add event parameters and call.
var packageEvent = new PackageAddedEventArgs <ConfigurationPackage>
{
Package = context.GetConfigurationPackageObject(ConfigurationPackageObjectName)
};
this.ConfigurationPackageAdded(null, packageEvent);
logger.Verbose(traceId, ComponentName, "Finished initializing.");
}