Exemplo n.º 1
0
        //---------------------------------------------------------------------
        // Static members

        /// <summary>
        /// <b>INTERNAL USE ONLY:</b> 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="workflowInterface">Optionally specifies the workflow 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>
        public static ChildWorkflowOptions Normalize(CadenceClient client, ChildWorkflowOptions options, Type workflowInterface = null, MethodInfo method = null)
        {
            Covenant.Requires <ArgumentNullException>(client != null, nameof(client));

            WorkflowInterfaceAttribute interfaceAttribute = null;
            WorkflowMethodAttribute    methodAttribute    = null;

            if (options == null)
            {
                options = new ChildWorkflowOptions();
            }
            else
            {
                options = options.Clone();
            }

            if (workflowInterface != null)
            {
                CadenceHelper.ValidateWorkflowInterface(workflowInterface);

                interfaceAttribute = workflowInterface.GetCustomAttribute <WorkflowInterfaceAttribute>();
            }

            if (method != null)
            {
                methodAttribute = method.GetCustomAttribute <WorkflowMethodAttribute>();
            }

            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.StartToCloseTimeout <= TimeSpan.Zero)
            {
                if (methodAttribute != null && methodAttribute.StartToCloseTimeoutSeconds > 0)
                {
                    options.StartToCloseTimeout = TimeSpan.FromSeconds(methodAttribute.StartToCloseTimeoutSeconds);
                }

                if (options.StartToCloseTimeout <= TimeSpan.Zero)
                {
                    options.StartToCloseTimeout = client.Settings.WorkflowStartToCloseTimeout;
                }
            }

            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.WorkflowScheduleToStartTimeout;
                }
            }

            if (options.DecisionTaskTimeout <= TimeSpan.Zero)
            {
                if (methodAttribute != null && methodAttribute.DecisionTaskTimeoutSeconds > 0)
                {
                    options.DecisionTaskTimeout = TimeSpan.FromSeconds(methodAttribute.DecisionTaskTimeoutSeconds);
                }

                if (options.DecisionTaskTimeout <= TimeSpan.Zero)
                {
                    options.DecisionTaskTimeout = client.Settings.WorkflowDecisionTaskTimeout;
                }
            }

            if (options.WorkflowIdReusePolicy == Cadence.WorkflowIdReusePolicy.UseDefault)
            {
                if (methodAttribute != null && methodAttribute.WorkflowIdReusePolicy != WorkflowIdReusePolicy.UseDefault)
                {
                    options.WorkflowIdReusePolicy = methodAttribute.WorkflowIdReusePolicy;
                }

                if (options.WorkflowIdReusePolicy == Cadence.WorkflowIdReusePolicy.UseDefault)
                {
                    options.WorkflowIdReusePolicy = client.Settings.WorkflowIdReusePolicy;
                }
            }

            return(options);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Converts the instance into an internal <see cref="InternalStartWorkflowOptions"/>.
        /// </summary>
        /// <param name="client">The <see cref="CadenceClient"/>.</param>
        /// <param name="taskList">Optionally specifies the target task list.</param>
        /// <param name="methodAttribute">Optionally specifies a <see cref="WorkflowMethodAttribute"/>.</param>
        /// <returns>The corresponding <see cref="InternalStartWorkflowOptions"/>.</returns>
        internal InternalStartWorkflowOptions ToInternal(CadenceClient client, string taskList = null, WorkflowMethodAttribute methodAttribute = null)
        {
            Covenant.Requires <ArgumentNullException>(client != null);

            taskList = client.ResolveTaskList(taskList);

            // Merge optional settings from these options and the method attribute.

            var decisionTaskStartToCloseTimeout = TimeSpan.FromSeconds(10);
            var executionStartToCloseTimeout    = CadenceClient.DefaultTimeout;
            var workflowIdReusePolicy           = global::Neon.Cadence.WorkflowIdReusePolicy.AllowDuplicateFailedOnly;

            if (methodAttribute != null)
            {
                if (string.IsNullOrEmpty(taskList))
                {
                    if (methodAttribute.TaskList != null)
                    {
                        taskList = methodAttribute.TaskList;
                    }
                    else
                    {
                        taskList = client.Settings.DefaultTaskList;
                    }
                }

                if (!DecisionTaskStartToCloseTimeout.HasValue && methodAttribute.TaskStartToCloseTimeoutSeconds > 0)
                {
                    decisionTaskStartToCloseTimeout = TimeSpan.FromSeconds(methodAttribute.TaskStartToCloseTimeoutSeconds);
                }

                if (!ExecutionStartToCloseTimeout.HasValue && methodAttribute.ExecutionStartToCloseTimeoutSeconds > 0)
                {
                    executionStartToCloseTimeout = TimeSpan.FromSeconds(methodAttribute.ExecutionStartToCloseTimeoutSeconds);
                }

                if (!WorkflowIdReusePolicy.HasValue && methodAttribute.WorkflowIdReusePolicy.HasValue)
                {
                    workflowIdReusePolicy = methodAttribute.WorkflowIdReusePolicy.Value;
                }
            }

            return(new InternalStartWorkflowOptions()
            {
                ID = this.WorkflowId,
                TaskList = taskList,
                DecisionTaskStartToCloseTimeout = CadenceHelper.ToCadence(decisionTaskStartToCloseTimeout),
                ExecutionStartToCloseTimeout = CadenceHelper.ToCadence(executionStartToCloseTimeout),
                RetryPolicy = this.RetryOptions?.ToInternal(),
                WorkflowIdReusePolicy = (int)workflowIdReusePolicy,
                CronSchedule = this.CronSchedule,
                Memo = this.Memo
            });
        }
Exemplo n.º 3
0
        //---------------------------------------------------------------------
        // 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="workflowInterface">Optionally specifies the workflow 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 WorkflowOptions Normalize(CadenceClient client, WorkflowOptions options, Type workflowInterface = null, MethodInfo method = null)
        {
            Covenant.Requires <ArgumentNullException>(client != null, nameof(client));

            WorkflowInterfaceAttribute interfaceAttribute = null;
            WorkflowMethodAttribute    methodAttribute    = null;

            if (options == null)
            {
                options = new WorkflowOptions();
            }
            else
            {
                options = options.Clone();
            }

            if (workflowInterface != null)
            {
                CadenceHelper.ValidateWorkflowInterface(workflowInterface);

                interfaceAttribute = workflowInterface.GetCustomAttribute <WorkflowInterfaceAttribute>();
            }

            if (method != null)
            {
                methodAttribute = method.GetCustomAttribute <WorkflowMethodAttribute>();
            }

            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.Domain))
                {
                    options.Domain = client.Settings.DefaultDomain;
                }

                if (string.IsNullOrEmpty(options.Domain))
                {
                    throw new ArgumentNullException(nameof(options), "You must specify a valid domain explicitly in [CadenceSettings], [ActivityOptions] or via an [ActivityInterface] or [ActivityMethod] attribute on the target activity interface or method.");
                }
            }

            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 (string.IsNullOrEmpty(options.TaskList))
                {
                    options.TaskList = client.Settings.DefaultTaskList;
                }

                if (string.IsNullOrEmpty(options.TaskList))
                {
                    throw new ArgumentNullException(nameof(options), "You must specify a valid task list explicitly via [WorkflowOptions] or using an [WorkflowInterface] or [WorkflowMethod] attribute on the target workflow interface or method.");
                }
            }

            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.WorkflowStartToCloseTimeout;
                }
            }

            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.WorkflowScheduleToStartTimeout;
                }
            }

            if (options.DecisionTaskTimeout <= TimeSpan.Zero)
            {
                if (methodAttribute != null && methodAttribute.DecisionTaskTimeoutSeconds > 0)
                {
                    options.DecisionTaskTimeout = TimeSpan.FromSeconds(methodAttribute.DecisionTaskTimeoutSeconds);
                }

                if (options.DecisionTaskTimeout <= TimeSpan.Zero)
                {
                    options.DecisionTaskTimeout = client.Settings.WorkflowDecisionTaskTimeout;
                }
            }

            if (options.WorkflowIdReusePolicy == Cadence.WorkflowIdReusePolicy.UseDefault)
            {
                if (methodAttribute != null && methodAttribute.WorkflowIdReusePolicy != WorkflowIdReusePolicy.UseDefault)
                {
                    options.WorkflowIdReusePolicy = methodAttribute.WorkflowIdReusePolicy;
                }

                if (options.WorkflowIdReusePolicy == Cadence.WorkflowIdReusePolicy.UseDefault)
                {
                    options.WorkflowIdReusePolicy = client.Settings.WorkflowIdReusePolicy;
                }
            }

            if (string.IsNullOrEmpty(options.CronSchedule) && !string.IsNullOrEmpty(methodAttribute?.CronSchedule))
            {
                options.CronSchedule = methodAttribute.CronSchedule;
            }

            return(options);
        }
Exemplo n.º 4
0
        /// <summary>
        /// Prepends the Cadence client ID to the workflow type name as well as the optional
        /// workflow method name to generate the key used to dereference the <see cref="nameToRegistration"/> 
        /// dictionary.
        /// </summary>
        /// <param name="client">The Cadence client.</param>
        /// <param name="workflowTypeName">The workflow type name.</param>
        /// <param name="workflowMethodAttribute">The workflow method attribute. </param>
        /// <returns>The workflow registration key.</returns>
        private static string GetWorkflowTypeKey(CadenceClient client, string workflowTypeName, WorkflowMethodAttribute workflowMethodAttribute)
        {
            Covenant.Requires<ArgumentNullException>(client != null, nameof(client));
            Covenant.Requires<ArgumentNullException>(!string.IsNullOrEmpty(workflowTypeName), nameof(workflowTypeName));
            Covenant.Requires<ArgumentNullException>(workflowMethodAttribute != null, nameof(workflowMethodAttribute));

            if (string.IsNullOrEmpty(workflowMethodAttribute.Name))
            {
                return $"{client.ClientId}::{workflowTypeName}";
            }
            else
            {
                return $"{client.ClientId}::{workflowTypeName}::{workflowMethodAttribute.Name}";
            }
        }