/// <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>
/// 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);
TemporalHelper.ValidateActivityInterface(activityInterface);
this.parentWorkflow = parentWorkflow;
this.client = parentWorkflow.Client;
this.hasStarted = false;
var activityTarget = TemporalHelper.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);
}