/// <summary>
/// Helper method to retrieve and validate configuration.
/// </summary>
/// <param name="configurationProvider">The configuration provider</param>
/// <param name="configurationIdentifier">The configuration identifier</param>
private static Dictionary <string, string> RetrieveAndValidateConfiguration(IQueueConfigurationProvider configurationProvider, string configurationIdentifier)
{
#region Initialization
Dictionary <string, string> configuration = null;
#endregion
#region Configuration Retrieval
configuration = configurationProvider.GetConfiguration(configurationIdentifier);
#endregion
#region Validation
configuration = configuration ?? new Dictionary <string, string>();
// Implementation
if (!configuration.ContainsKey(CommonConfigurationKeys.Implementation) ||
string.IsNullOrEmpty(configuration[CommonConfigurationKeys.Implementation]))
{
throw new QueueException(QueueErrorCode.MissingRequiredConfigurationParameter,
string.Format(ErrorMessages.MissingRequiredConfigurationParameter,
CommonConfigurationKeys.Implementation));
}
#endregion
#region Return
return(configuration);
#endregion
}
/// <summary>
/// Creates IOutboundFaFMq implementation with the configuration provided by provider.
/// </summary>
/// <param name="configurationProvider">The configuration provider</param>
/// <param name="logger">The queue logger</param>
/// <param name="configurationIdentifier">The configuration identifier</param>
public static IOutboundFaFMq <TMessage> CreateOutboundFaF <TMessage>(IQueueConfigurationProvider configurationProvider, string configurationIdentifier, IQueueLogger logger = null)
{
#region Initialization
logger = logger ?? new NoLog();
Dictionary <string, string> configuration = null;
#endregion
try
{
#region Configuration Retrieval
configuration = RetrieveAndValidateConfiguration(configurationProvider, configurationIdentifier);
#endregion
#region Creating Implementation
// Getting type details.
var messageQueueTypeInfo = Type.GetType(configuration[CommonConfigurationKeys.Implementation], true, true);
// Substituting generic parameters.
var typeParams = new[] { typeof(TMessage) };
var genericTypeInfo = messageQueueTypeInfo.MakeGenericType(typeParams);
// Creating instance.
var messagingQueue =
Activator.CreateInstance(genericTypeInfo, configuration, logger) as IOutboundFaFMq <TMessage>;
#endregion
#region Return
return(messagingQueue);
#endregion
}
catch (QueueException queueException)
{
#region Logging - Error
logger.Error(queueException, queueException.Message);
#endregion
throw;
}
catch (Exception ex)
{
var queueException = new QueueException(QueueErrorCode.FailedToInstantiateOutboundFaFMq,
ErrorMessages.FailedToInstantiateOutboundFaF, ex);
queueException.Data["Implementation"] = configuration?[CommonConfigurationKeys.Implementation];
#region Logging - Error
logger.Error(queueException, queueException.Message);
#endregion
throw queueException;
}
}
