fix

Author: YunchuWang

src/ScheduledTasks/Client/ScheduledTaskClient.cs

@@ -27,13 +27,6 @@ public async Task<IScheduleHandle> CreateScheduleAsync(ScheduleCreationOptions c
             string scheduleId = creationOptions.ScheduleId;
             EntityInstanceId entityId = new EntityInstanceId(nameof(Schedule), scheduleId);
 
-            // Check if schedule already exists
-            bool scheduleExists = await this.CheckScheduleExists(scheduleId, cancellation);
-            if (scheduleExists)
-            {
-                throw new ScheduleAlreadyExistException(scheduleId);
-            }
-
             // Call the orchestrator to create the schedule
             ScheduleOperationRequest request = new ScheduleOperationRequest(entityId, nameof(Schedule.CreateSchedule), creationOptions);
             string instanceId = await this.durableTaskClient.ScheduleNewOrchestrationInstanceAsync(
@@ -184,33 +177,4 @@ public AsyncPageable<ScheduleDescription> ListSchedulesAsync(ScheduleQuery? filt
             }
         });
     }
-
-    /// <summary>
-    /// Checks if a schedule with the specified ID exists.
-    /// </summary>
-    /// <param name="scheduleId">The ID of the schedule to check.</param>
-    /// <param name="cancellation">Optional cancellation token.</param>
-    /// <returns>True if the schedule exists, false otherwise.</returns>
-    async Task<bool> CheckScheduleExists(string scheduleId, CancellationToken cancellation = default)
-    {
-        Check.NotNullOrEmpty(scheduleId, nameof(scheduleId));
-
-        try
-        {
-            EntityInstanceId entityId = new EntityInstanceId(nameof(Schedule), scheduleId);
-            EntityMetadata? metadata = await this.durableTaskClient.Entities.GetEntityAsync(entityId, false, cancellation);
-
-            return metadata != null;
-        }
-        catch (OperationCanceledException e)
-        {
-            this.logger.ClientError(
-                nameof(this.CheckScheduleExists),
-                scheduleId,
-                e);
-
-            throw new OperationCanceledException(
-                $"The {nameof(this.CheckScheduleExists)} operation was canceled.", e, e.CancellationToken);
-        }
-    }
 }

src/ScheduledTasks/Models/ScheduleCreationOptions.cs

@@ -67,7 +67,10 @@ public ScheduleCreationOptions(string scheduleId, string orchestrationName, Time
     public TimeSpan Interval { get; }
 
     /// <summary>
-    /// Gets a value indicating whether to start the schedule immediately if it is late. Default is false.
+    /// Gets a value indicating whether to start the orchestration immediately when the current time is past the StartAt time.
+    /// By default it is false.
+    /// If false, the first run will be scheduled at the next interval based on the original start time.
+    /// If true, the first run will start immediately and subsequent runs will follow the regular interval.
     /// </summary>
     public bool StartImmediatelyIfLate { get; init; }
 }