/// <summary>
/// Returns the Cadence activity type name to be used for a activity interface or
/// implementation class.
/// </summary>
/// <param name="activityType">The activity interface or implementation type.</param>
/// <param name="activityAttribute">Specifies the <see cref="ActivityAttribute"/>.</param>
/// <returns>The type name.</returns>
/// <remarks>
/// <para>
/// If <paramref name="activityAttribute"/> is passed and <see cref="ActivityAttribute.Name"/>
/// is not <c>null</c> or empty, then the name specified in the attribute is returned.
/// </para>
/// <para>
/// Otherwise, we'll return the fully qualified name of the activity interface
/// with the leadting "I" removed.
/// </para>
/// </remarks>
internal static string GetActivityTypeName(Type activityType, ActivityAttribute activityAttribute)
{
Covenant.Requires <ArgumentNullException>(activityType != null, nameof(activityType));
if (activityAttribute != null && !string.IsNullOrEmpty(activityAttribute.Name))
{
return(activityAttribute.Name);
}
if (activityType.IsClass)
{
CadenceHelper.ValidateActivityImplementation(activityType);
activityType = CadenceHelper.GetActivityInterface(activityType);
}
else
{
CadenceHelper.ValidateActivityInterface(activityType);
}
var fullName = activityType.FullName;
var name = activityType.Name;
if (name.StartsWith("I") && name != "I")
{
// We're going to strip the leading "I" from the unqualified
// type name (unless that's the only character).
fullName = fullName.Substring(0, fullName.Length - name.Length);
fullName += name.Substring(1);
}
// We need to replace the "+" characters .NET uses for nested types into
// "." so the result will be a valid C# type identifier.
return(fullName.Replace('+', '.'));
}
/// <summary>
/// Creates a local activity stub instance suitable for executing a non-local activity.
/// </summary>
/// <param name="client">The associated <see cref="CadenceClient"/>.</param>
/// <param name="workflow">The parent workflow.</param>
/// <param name="activityType">The activity implementation type.</param>
/// <param name="options">Specifies the <see cref="LocalActivityOptions"/>.</param>
/// <returns>The activity stub as an <see cref="object"/>.</returns>
public object CreateLocal(CadenceClient client, Workflow workflow, Type activityType, LocalActivityOptions options)
{
return(localConstructor.Invoke(new object[] { client, client.DataConverter, workflow, activityType, options, CadenceHelper.GetActivityInterface(activityType) }));
}
/// <summary>
/// Creates a local activity stub instance suitable for executing a local activity.
/// </summary>
/// <param name="client">The associated <see cref="CadenceClient"/>.</param>
/// <param name="workflow">The parent workflow.</param>
/// <param name="activityType">The activity implementation type.</param>
/// <param name="options">Specifies the <see cref="LocalActivityOptions"/> or <c>null</c>.</param>
/// <returns>The activity stub as an <see cref="object"/>.</returns>
public object CreateLocal(CadenceClient client, Workflow workflow, Type activityType, LocalActivityOptions options)
{
Covenant.Requires <ArgumentNullException>(client != null, nameof(client));
Covenant.Requires <ArgumentNullException>(workflow != null, nameof(workflow));
Covenant.Requires <ArgumentNullException>(activityType != null, nameof(activityType));
options = options ?? new LocalActivityOptions();
return(localConstructor.Invoke(new object[] { client, client.DataConverter, workflow, activityType, options, CadenceHelper.GetActivityInterface(activityType) }));
}
