public SalesforceEventBusHostedService(
ILogger <SalesforceEventBusHostedService> logger,
IHostApplicationLifetime appLifetime,
IOptions <SalesforceConfiguration> options,
IEventBus eventBus)
{
_logger = logger;
_appLifetime = appLifetime;
_options = options.Value;
_eventBus = eventBus;
}
/// <summary>
/// Initializes a new instance of the <see cref="AuthenticationClientProxy"/> class and authenticates the session.
/// </summary>
/// <param name="options"><see cref="SalesforceConfiguration"/>.</param>
public AuthenticationClientProxy(SalesforceConfiguration options)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_policy = Policy
.Handle <Exception>()
.WaitAndRetryAsync(5, retryAttempt =>
TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)));
_auth = new AuthenticationClient();
// sync call to authenticate on the creation of the instance of this object.
Authenticate().Wait();
}
/// <summary>
/// Initializes a new instance of the <see cref="ResilientForceClient"/> class.
/// </summary>
/// <param name="forceClient"></param>
/// <param name="options"></param>
/// <param name="logger"></param>
public ResilientForceClient(
Func <AsyncExpiringLazy <ForceClient> > forceClient,
IOptions <SalesforceConfiguration> options,
ILogger <ResilientForceClient> logger)
{
if (forceClient == null)
{
throw new ArgumentNullException(nameof(forceClient));
}
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_forceClient = forceClient();
_options = options.Value;
_policy = Policy.WrapAsync(GetAuthenticationRetryPolicy(), GetWaitAndRetryPolicy());
}
public static IServiceCollection AddStreamingClient(this IServiceCollection services)
{
services.AddSingleton(sp =>
{
var salesforceConfig = new SalesforceConfiguration();
var config = sp.GetRequiredService <IConfiguration>();
config.Bind("Salesforce", salesforceConfig);
return(salesforceConfig);
});
services.AddSingleton <IAuthenticationClientProxy, AuthenticationClientProxy>();
services.AddSingleton <IForceClientProxy, ForceClientProxy>();
services.AddSingleton <IStreamingClient, StreamingClient>();
return(services);
}
/// <summary>
/// Initializes a new instance of the <see cref="EventBus"/> class.
/// </summary>
/// <param name="streamingClient">The instance of <see cref="IStreamingClient"/> with connection to salesforce.</param>
/// <param name="logger">The instance of <see cref="ILogger{SalesforceEventBus}"/>.</param>
/// <param name="forceClient">The instance of <see cref="ForceClientProxy"/> to provide a publish functionality to the bus.</param>
/// <param name="messageListeners"></param>
/// <param name="options"></param>
public EventBus(
IStreamingClient streamingClient,
ILogger <EventBus> logger,
IResilientForceClient forceClient,
IEnumerable <IMessageListener> messageListeners,
IOptions <SalesforceConfiguration> options)
{
_streamingClient = streamingClient ?? throw new ArgumentNullException(nameof(streamingClient));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_forceClient = forceClient ?? throw new ArgumentNullException(nameof(forceClient));
_options = options.Value ?? throw new ArgumentNullException(nameof(options));
_messageListerners = messageListeners;
_streamingClient.Reconnect += StreamingClient_Reconnect;
_streamingClient.Handshake();
}
/// <summary>
/// Constructor for <see cref="AuthenticationClientProxy"/>
/// that create an instance of <see cref="NetCoreForce.Client.ForceClient"/>.
/// </summary>
/// <param name="authenticationClient">Instance of <see cref="AuthenticationClientProxy"/> that creates instance of <see cref="AuthenticationClient"/>.</param>
/// <param name="logger">Instance of the <see cref="ILogger{IForceClientProxy}"/>.</param>
/// <param name="options">Options based on <see cref="SalesforceConfiguration"/></param>
public ForceClientProxy(
IAuthenticationClientProxy authenticationClient,
ILogger <ForceClientProxy> logger,
SalesforceConfiguration options)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_authenticationClient = authenticationClient ?? throw new ArgumentNullException(nameof(authenticationClient));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
// creates an instance of the forceclient register as singleton
_forceClient = new NetCoreForce.Client.ForceClient(
_authenticationClient.AuthenticationClient.AccessInfo.InstanceUrl,
_authenticationClient.AuthenticationClient.ApiVersion,
_authenticationClient.AuthenticationClient.AccessInfo.AccessToken
);
// create retry authentication policy
_policy = CreateAuthenticationWaitAndRetry(_options.Retry,
nameof(ForceClientProxy), OnWaitAndRetry);
}
