// Called by the Durable client binding infrastructure
public DurabilityProvider GetDurabilityProvider(DurableClientAttribute attribute)
{
// TODO: Much of this logic should go into the base class
if (string.IsNullOrEmpty(attribute.ConnectionName) &&
string.IsNullOrEmpty(attribute.TaskHub))
{
return(this.GetDurabilityProvider());
}
lock (this.clientProviders)
{
string key = GetDurabilityProviderKey(attribute);
if (this.clientProviders.TryGetValue(key, out DurabilityProvider clientProvider))
{
return(clientProvider);
}
SqlDurabilityOptions clientOptions = this.GetSqlOptions(attribute);
IOrchestrationServiceClient serviceClient =
new SqlOrchestrationService(clientOptions.GetOrchestrationServiceSettings(
this.extensionOptions,
this.connectionStringResolver));
clientProvider = new SqlDurabilityProvider(
this.GetOrchestrationService(),
clientOptions,
serviceClient);
this.clientProviders.Add(key, clientProvider);
return(clientProvider);
}
}
SqlDurabilityOptions GetSqlOptions(DurableClientAttribute attribute)
{
var options = new SqlDurabilityOptions
{
TaskHubName = this.extensionOptions.HubName,
LoggerFactory = this.loggerFactory,
};
// Deserialize the configuration directly from the host.json settings.
// Note that not all settings can be applied from JSON.
string configJson = JsonConvert.SerializeObject(this.extensionOptions.StorageProvider);
JsonConvert.PopulateObject(configJson, options);
// Attribute properties can override host.json settings.
if (!string.IsNullOrEmpty(attribute.ConnectionName))
{
options.ConnectionStringName = attribute.ConnectionName;
}
if (!string.IsNullOrEmpty(attribute.TaskHub))
{
options.TaskHubName = attribute.TaskHub;
}
return(options);
}
public SqlDurabilityProvider(
SqlOrchestrationService service,
SqlDurabilityOptions durabilityOptions)
: base(Name, service, service, durabilityOptions.ConnectionStringName)
{
this.service = service ?? throw new ArgumentNullException(nameof(service));
this.durabilityOptions = durabilityOptions;
}
// Called by the Durable trigger binding infrastructure
public DurabilityProvider GetDurabilityProvider()
{
if (this.defaultProvider == null)
{
SqlDurabilityOptions sqlProviderOptions = this.GetDefaultSqlOptions();
SqlOrchestrationService service = this.GetOrchestrationService();
this.defaultProvider = new SqlDurabilityProvider(service, sqlProviderOptions);
}
return(this.defaultProvider);
}
SqlOrchestrationServiceSettings GetOrchestrationServiceSettings()
{
if (this.orchestrationServiceSettings == null)
{
SqlDurabilityOptions options = this.GetDefaultSqlOptions();
this.orchestrationServiceSettings = options.GetOrchestrationServiceSettings(
this.extensionOptions,
this.connectionStringResolver);
}
return(this.orchestrationServiceSettings);
}
