/// <summary>
/// Internal constructor.
/// </summary>
/// <param name="client">The associated client.</param>
/// <param name="parentWorkflow">Identifies the parent workflow.</param>
/// <param name="activityTypeName">Specifies the target activity type name.</param>
/// <param name="options">Optionally specifies custom activity options.</param>
/// <remarks>
/// <para>
/// <paramref name="activityTypeName"/> specifies the target activity implementation type name and optionally,
/// the specific activity method to be called for activity interfaces that have multiple methods. For
/// activity methods tagged by <c>ActivityMethod]</c>[ with specifying a name, the activity type name will default
/// to the fully qualified interface type name or the custom type name specified by <see cref="ActivityAttribute.Name"/>.
/// </para>
/// <para>
/// For activity methods with <see cref="ActivityMethodAttribute.Name"/> specified, the activity type will
/// look like this by default:
/// </para>
/// <code>
/// ACTIVITY-TYPE-NAME::METHOD-NAME
/// </code>
/// <note>
/// You may need to customize activity type name when interoperating with activities written
/// in other languages. See <a href="https://doc.neonkube.com/Neon.Cadence-CrossPlatform.htm">Cadence Cross-Platform</a>
/// for more information.
/// </note>
/// </remarks>
internal ActivityStub(CadenceClient client, Workflow parentWorkflow, string activityTypeName, ActivityOptions options = null)
{
Covenant.Requires <ArgumentNullException>(client != null, nameof(client));
Covenant.Requires <ArgumentNullException>(parentWorkflow != null, nameof(parentWorkflow));
Covenant.Requires <ArgumentNullException>(!string.IsNullOrEmpty(activityTypeName), nameof(activityTypeName));
this.client = client;
this.parentWorkflow = parentWorkflow;
this.activityTypeName = activityTypeName;
this.options = options;
}
//---------------------------------------------------------------------
// Static members
/// <summary>
/// Normalizes the options passed by creating or cloning a new instance as
/// required and filling unset properties using default client settings.
/// </summary>
/// <param name="client">The associated Cadence client.</param>
/// <param name="options">The input options or <c>null</c>.</param>
/// <param name="activityInterface">Optionally specifies the activity interface definition.</param>
/// <param name="method">Optionally specifies the target workflow method.</param>
/// <returns>The normalized options.</returns>
/// <exception cref="ArgumentNullException">Thrown if a valid task list is not specified.</exception>
internal static ActivityOptions Normalize(CadenceClient client, ActivityOptions options, Type activityInterface = null, MethodInfo method = null)
{
Covenant.Requires <ArgumentNullException>(client != null, nameof(client));
ActivityInterfaceAttribute interfaceAttribute = null;
ActivityMethodAttribute methodAttribute = null;
if (options == null)
{
options = new ActivityOptions();
}
else
{
options = options.Clone();
}
if (activityInterface != null)
{
CadenceHelper.ValidateActivityInterface(activityInterface);
interfaceAttribute = activityInterface.GetCustomAttribute <ActivityInterfaceAttribute>();
}
if (method != null)
{
methodAttribute = method.GetCustomAttribute <ActivityMethodAttribute>();
}
if (string.IsNullOrEmpty(options.Domain))
{
if (!string.IsNullOrEmpty(methodAttribute?.Domain))
{
options.Domain = methodAttribute.Domain;
}
if (string.IsNullOrEmpty(options.Domain) && !string.IsNullOrEmpty(interfaceAttribute?.Domain))
{
options.Domain = interfaceAttribute.Domain;
}
}
if (string.IsNullOrEmpty(options.TaskList))
{
if (!string.IsNullOrEmpty(methodAttribute?.TaskList))
{
options.TaskList = methodAttribute.TaskList;
}
if (string.IsNullOrEmpty(options.TaskList) && !string.IsNullOrEmpty(interfaceAttribute?.TaskList))
{
options.TaskList = interfaceAttribute.TaskList;
}
}
if (options.ScheduleToCloseTimeout <= TimeSpan.Zero)
{
if (methodAttribute != null && methodAttribute.ScheduleToCloseTimeoutSeconds > 0)
{
options.ScheduleToCloseTimeout = TimeSpan.FromSeconds(methodAttribute.ScheduleToCloseTimeoutSeconds);
}
if (options.ScheduleToCloseTimeout <= TimeSpan.Zero)
{
options.ScheduleToCloseTimeout = client.Settings.ActivityScheduleToCloseTimeout;
}
}
if (options.ScheduleToStartTimeout <= TimeSpan.Zero)
{
if (methodAttribute != null && methodAttribute.ScheduleToStartTimeoutSeconds > 0)
{
options.ScheduleToStartTimeout = TimeSpan.FromSeconds(methodAttribute.ScheduleToStartTimeoutSeconds);
}
if (options.ScheduleToStartTimeout <= TimeSpan.Zero)
{
options.ScheduleToStartTimeout = client.Settings.ActivityScheduleToStartTimeout;
}
}
if (options.StartToCloseTimeout <= TimeSpan.Zero)
{
if (methodAttribute != null && methodAttribute.StartToCloseTimeoutSeconds > 0)
{
options.StartToCloseTimeout = TimeSpan.FromSeconds(methodAttribute.StartToCloseTimeoutSeconds);
}
if (options.StartToCloseTimeout <= TimeSpan.Zero)
{
options.StartToCloseTimeout = client.Settings.ActivityStartToCloseTimeout;
}
}
return(options);
}
/// <summary>
/// Internal constructor.
/// </summary>
/// <param name="parentWorkflow">The associated parent workflow.</param>
/// <param name="activityTypeName">
/// Specifies the target activity type name.
/// </param>
/// <param name="options">The activity options or <c>null</c>.</param>
internal ActivityFutureStub(Workflow parentWorkflow, string activityTypeName, ActivityOptions options = null)
{
Covenant.Requires <ArgumentNullException>(parentWorkflow != null, nameof(parentWorkflow));
Covenant.Requires <ArgumentNullException>(!string.IsNullOrEmpty(activityTypeName), nameof(activityTypeName));
this.parentWorkflow = parentWorkflow;
this.client = parentWorkflow.Client;
this.activityTypeName = activityTypeName;
this.hasStarted = false;
this.options = ActivityOptions.Normalize(client, options);
}
/// <summary>
/// Raises the <see cref="ActivityExecuteEvent"/>.
/// </summary>
/// <param name="options">The activity options.</param>
internal void RaiseActivityExecuteEvent(ActivityOptions options)
{
ActivityExecuteEvent?.Invoke(this, options);
}
/// <summary>
/// Internal constructor.
/// </summary>
/// <param name="parentWorkflow">The associated parent workflow.</param>
/// <param name="methodName">
/// Optionally identifies the target activity method by the name specified in
/// the <c>[ActivityMethod]</c> attribute tagging the method. Pass a <c>null</c>
/// or empty string to target the default method.
/// </param>
/// <param name="options">The activity options or <c>null</c>.</param>
internal ActivityFutureStub(Workflow parentWorkflow, string methodName = null, ActivityOptions options = null)
{
Covenant.Requires <ArgumentNullException>(parentWorkflow != null, nameof(parentWorkflow));
var activityInterface = typeof(TActivityInterface);
CadenceHelper.ValidateActivityInterface(activityInterface);
this.parentWorkflow = parentWorkflow;
this.client = parentWorkflow.Client;
this.hasStarted = false;
var activityTarget = CadenceHelper.GetActivityTarget(activityInterface, methodName);
var methodAttribute = activityTarget.MethodAttribute;
this.activityTypeName = activityTarget.ActivityTypeName;
this.targetMethod = activityTarget.TargetMethod;
this.options = ActivityOptions.Normalize(client, options, typeof(TActivityInterface), activityTarget.TargetMethod);
}
/// <summary>
/// Internal constructor.
/// </summary>
/// <param name="parentWorkflow">The associated parent workflow.</param>
/// <param name="methodName">
/// Optionally identifies the target activity method by the name specified in
/// the <c>[ActivityMethod]</c> attribute tagging the method. Pass a <c>null</c>
/// or empty string to target the default method.
/// </param>
/// <param name="options">The activity options or <c>null</c>.</param>
internal ActivityFutureStub(Workflow parentWorkflow, string methodName = null, ActivityOptions options = null)
{
Covenant.Requires <ArgumentNullException>(parentWorkflow != null, nameof(parentWorkflow));
var activityInterface = typeof(TActivityInterface);
CadenceHelper.ValidateActivityInterface(activityInterface);
this.parentWorkflow = parentWorkflow;
this.hasStarted = false;
var activityTarget = CadenceHelper.GetActivityTarget(activityInterface, methodName);
var methodAttribute = activityTarget.MethodAttribute;
activityTypeName = activityTarget.ActivityTypeName;
targetMethod = activityTarget.TargetMethod;
if (options == null)
{
options = new ActivityOptions();
}
else
{
options = options.Clone();
}
if (string.IsNullOrEmpty(options.TaskList))
{
options.TaskList = methodAttribute.TaskList;
}
if (options.HeartbeatTimeout <= TimeSpan.Zero)
{
options.HeartbeatTimeout = TimeSpan.FromSeconds(methodAttribute.HeartbeatTimeoutSeconds);
}
if (options.ScheduleToCloseTimeout <= TimeSpan.Zero)
{
options.ScheduleToCloseTimeout = TimeSpan.FromSeconds(methodAttribute.ScheduleToCloseTimeoutSeconds);
}
if (options.ScheduleToStartTimeout <= TimeSpan.Zero)
{
options.ScheduleToStartTimeout = TimeSpan.FromSeconds(methodAttribute.ScheduleToStartTimeoutSeconds);
}
if (options.StartToCloseTimeout <= TimeSpan.Zero)
{
options.StartToCloseTimeout = TimeSpan.FromSeconds(methodAttribute.StartToCloseTimeoutSeconds);
}
this.options = ActivityOptions.Normalize(parentWorkflow.Client, options);
}
