Merge pull request #25397 from abpframework/salihozkara/dynamic-worker-capabilities

Expose dynamic background worker scheduler capabilities

framework/src/Volo.Abp.BackgroundWorkers.Hangfire/Volo/Abp/BackgroundWorkers/Hangfire/HangfireDynamicBackgroundWorkerManager.cs

@@ -13,7 +13,11 @@ using Volo.Abp.Hangfire;
 namespace Volo.Abp.BackgroundWorkers.Hangfire;
 
 [Dependency(ReplaceServices = true)]
-public class HangfireDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerManager, ISingletonDependency
+public class HangfireDynamicBackgroundWorkerManager :
+    IDynamicBackgroundWorkerManager,
+    ISupportsRuntimeRegistration,
+    ISupportsCronScheduling,
+    ISingletonDependency
 {
     protected IServiceProvider ServiceProvider { get; }
     protected IDynamicBackgroundWorkerHandlerRegistry HandlerRegistry { get; }

framework/src/Volo.Abp.BackgroundWorkers.Quartz/Volo/Abp/BackgroundWorkers/Quartz/QuartzDynamicBackgroundWorkerManager.cs

@@ -10,7 +10,11 @@ using Volo.Abp.DependencyInjection;
 namespace Volo.Abp.BackgroundWorkers.Quartz;
 
 [Dependency(ReplaceServices = true)]
-public class QuartzDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerManager, ISingletonDependency
+public class QuartzDynamicBackgroundWorkerManager :
+    IDynamicBackgroundWorkerManager,
+    ISupportsRuntimeRegistration,
+    ISupportsCronScheduling,
+    ISingletonDependency
 {
     public const string DynamicWorkerNameKey = "AbpDynamicWorkerName";
 

framework/src/Volo.Abp.BackgroundWorkers/Volo/Abp/BackgroundWorkers/DefaultDynamicBackgroundWorkerManager.cs

@@ -10,7 +10,10 @@ using Volo.Abp.Threading;
 
 namespace Volo.Abp.BackgroundWorkers;
 
-public class DefaultDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerManager, ISingletonDependency
+public class DefaultDynamicBackgroundWorkerManager :
+    IDynamicBackgroundWorkerManager,
+    ISupportsRuntimeRegistration,
+    ISingletonDependency
 {
     protected IServiceProvider ServiceProvider { get; }
     public ILogger<DefaultDynamicBackgroundWorkerManager> Logger { get; set; }
@@ -39,11 +42,11 @@ public class DefaultDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerMan
 
         schedule.Validate();
 
-        if (schedule.Period == null)
+        if (!schedule.CronExpression.IsNullOrWhiteSpace())
         {
             throw new AbpException(
-                $"The default in-memory background worker manager does not support CronExpression without Period for dynamic worker '{workerName}'. " +
-                "Please set Period, or use a scheduler-backed provider (Hangfire, Quartz, TickerQ).");
+                $"The default in-memory background worker manager does not support CronExpression for dynamic worker '{workerName}'. " +
+                "Please clear CronExpression and use Period-based scheduling, or use a scheduler-backed provider (Hangfire or Quartz).");
         }
 
         await _semaphore.WaitAsync(cancellationToken);
@@ -102,11 +105,11 @@ public class DefaultDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerMan
 
         schedule.Validate();
 
-        if (schedule.Period == null)
+        if (!schedule.CronExpression.IsNullOrWhiteSpace())
         {
             throw new AbpException(
-                $"The default in-memory background worker manager does not support CronExpression without Period for dynamic worker '{workerName}'. " +
-                "Please set Period, or use a scheduler-backed provider (Hangfire, Quartz, TickerQ).");
+                $"The default in-memory background worker manager does not support CronExpression for dynamic worker '{workerName}'. " +
+                "Please clear CronExpression and use Period-based scheduling, or use a scheduler-backed provider (Hangfire or Quartz).");
         }
 
         await _semaphore.WaitAsync(cancellationToken);

framework/src/Volo.Abp.BackgroundWorkers/Volo/Abp/BackgroundWorkers/IDynamicBackgroundWorkerManager.cs

@@ -6,6 +6,12 @@ namespace Volo.Abp.BackgroundWorkers;
 /// <summary>
 /// Manages dynamic background workers that are registered at runtime
 /// without requiring a strongly-typed worker class.
+/// <para>
+/// Implementations may differ in capabilities. Check <see cref="ISupportsRuntimeRegistration"/>
+/// before calling <see cref="AddAsync"/> / <see cref="RemoveAsync"/> / <see cref="UpdateScheduleAsync"/>,
+/// and <see cref="ISupportsCronScheduling"/> before passing
+/// <see cref="DynamicBackgroundWorkerSchedule.CronExpression"/>.
+/// </para>
 /// </summary>
 public interface IDynamicBackgroundWorkerManager
 {

framework/src/Volo.Abp.BackgroundWorkers/Volo/Abp/BackgroundWorkers/ISupportsCronScheduling.cs

@@ -0,0 +1,8 @@
+namespace Volo.Abp.BackgroundWorkers;
+
+/// <summary>
+/// Marks a dynamic background worker manager that supports cron-based scheduling.
+/// </summary>
+public interface ISupportsCronScheduling
+{
+}

framework/src/Volo.Abp.BackgroundWorkers/Volo/Abp/BackgroundWorkers/ISupportsRuntimeRegistration.cs

@@ -0,0 +1,8 @@
+namespace Volo.Abp.BackgroundWorkers;
+
+/// <summary>
+/// Marks a dynamic background worker manager that supports registering workers at runtime.
+/// </summary>
+public interface ISupportsRuntimeRegistration
+{
+}

framework/test/Volo.Abp.BackgroundJobs.Tests/Volo/Abp/BackgroundWorkers/DynamicBackgroundWorkerManager_Tests.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Shouldly;
+using Volo.Abp;
 using Volo.Abp.BackgroundJobs;
 using Volo.Abp.BackgroundWorkers;
 using Xunit;
@@ -20,6 +21,13 @@ public class DynamicBackgroundWorkerManager_Tests : BackgroundJobsTestBase
         _dynamicWorkerManager = GetRequiredService<IDynamicBackgroundWorkerManager>();
     }
 
+    [Fact]
+    public void Should_Report_Provider_Capabilities_Using_Marker_Interfaces()
+    {
+        (_dynamicWorkerManager is ISupportsRuntimeRegistration).ShouldBeTrue();
+        (_dynamicWorkerManager is ISupportsCronScheduling).ShouldBeFalse();
+    }
+
     [Fact]
     public async Task Should_Register_Dynamic_Worker()
     {
@@ -235,6 +243,49 @@ public class DynamicBackgroundWorkerManager_Tests : BackgroundJobsTestBase
         });
     }
 
+    [Fact]
+    public async Task Should_Throw_When_CronExpression_Is_Set()
+    {
+        var workerName = "dynamic-worker-" + Guid.NewGuid();
+
+        await Assert.ThrowsAsync<AbpException>(async () =>
+        {
+            await _dynamicWorkerManager.AddAsync(
+                workerName,
+                new DynamicBackgroundWorkerSchedule
+                {
+                    Period = 1000,
+                    CronExpression = "0 */5 * * * *"
+                },
+                (_, _) => Task.CompletedTask
+            );
+        });
+    }
+
+    [Fact]
+    public async Task Should_Throw_When_CronExpression_Is_Set_On_UpdateSchedule()
+    {
+        var workerName = "dynamic-worker-" + Guid.NewGuid();
+
+        await _dynamicWorkerManager.AddAsync(
+            workerName,
+            new DynamicBackgroundWorkerSchedule { Period = 1000 },
+            (_, _) => Task.CompletedTask
+        );
+
+        await Assert.ThrowsAsync<AbpException>(async () =>
+        {
+            await _dynamicWorkerManager.UpdateScheduleAsync(
+                workerName,
+                new DynamicBackgroundWorkerSchedule
+                {
+                    Period = 1000,
+                    CronExpression = "0 */5 * * * *"
+                }
+            );
+        });
+    }
+
     [Fact]
     public async Task Should_Continue_Running_After_Handler_Throws_Exception()
     {