fix: Refactor background worker handler to use delegate type for improved clarity and consistency

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

@@ -31,7 +31,7 @@ public class HangfireDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerMa
     public virtual Task AddAsync(
         string workerName,
         DynamicBackgroundWorkerSchedule schedule,
-        Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler,
+        DynamicBackgroundWorkerHandler handler,
         CancellationToken cancellationToken = default)
     {
         Check.NotNullOrWhiteSpace(workerName, nameof(workerName));

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

@@ -29,7 +29,7 @@ public class QuartzDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerMana
     public virtual async Task AddAsync(
         string workerName,
         DynamicBackgroundWorkerSchedule schedule,
-        Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler,
+        DynamicBackgroundWorkerHandler handler,
         CancellationToken cancellationToken = default)
     {
         Check.NotNullOrWhiteSpace(workerName, nameof(workerName));

framework/src/Volo.Abp.BackgroundWorkers.TickerQ/Volo/Abp/BackgroundWorkers/TickerQ/TickerQDynamicBackgroundWorkerManager.cs

@@ -1,4 +1,3 @@
-using System;
 using System.Threading;
 using System.Threading.Tasks;
 using Volo.Abp.DependencyInjection;
@@ -11,7 +10,7 @@ public class TickerQDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerMan
     public virtual Task AddAsync(
         string workerName,
         DynamicBackgroundWorkerSchedule schedule,
-        Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler,
+        DynamicBackgroundWorkerHandler handler,
         CancellationToken cancellationToken = default)
     {
         throw new AbpException(

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

@@ -30,7 +30,7 @@ public class DefaultDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerMan
     public virtual async Task AddAsync(
         string workerName,
         DynamicBackgroundWorkerSchedule schedule,
-        Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler,
+        DynamicBackgroundWorkerHandler handler,
         CancellationToken cancellationToken = default)
     {
         Check.NotNullOrWhiteSpace(workerName, nameof(workerName));
@@ -155,7 +155,7 @@ public class DefaultDynamicBackgroundWorkerManager : IDynamicBackgroundWorkerMan
     protected virtual InMemoryDynamicBackgroundWorker CreateDynamicWorker(
         string workerName,
         DynamicBackgroundWorkerSchedule schedule,
-        Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler)
+        DynamicBackgroundWorkerHandler handler)
     {
         var timer = ServiceProvider.GetRequiredService<AbpAsyncTimer>();
         var serviceScopeFactory = ServiceProvider.GetRequiredService<IServiceScopeFactory>();

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

@@ -0,0 +1,6 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Volo.Abp.BackgroundWorkers;
+
+public delegate Task DynamicBackgroundWorkerHandler(DynamicBackgroundWorkerExecutionContext context, CancellationToken cancellationToken);

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

@@ -1,21 +1,18 @@
-using System;
 using System.Collections.Concurrent;
-using System.Threading;
-using System.Threading.Tasks;
 using Volo.Abp.DependencyInjection;
 
 namespace Volo.Abp.BackgroundWorkers;
 
 public class DynamicBackgroundWorkerHandlerRegistry : IDynamicBackgroundWorkerHandlerRegistry, ISingletonDependency
 {
-    protected ConcurrentDictionary<string, Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task>> Handlers { get; }
+    protected ConcurrentDictionary<string, DynamicBackgroundWorkerHandler> Handlers { get; }
 
     public DynamicBackgroundWorkerHandlerRegistry()
     {
-        Handlers = new ConcurrentDictionary<string, Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task>>();
+        Handlers = new ConcurrentDictionary<string, DynamicBackgroundWorkerHandler>();
     }
 
-    public virtual void Register(string workerName, Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler)
+    public virtual void Register(string workerName, DynamicBackgroundWorkerHandler handler)
     {
         Check.NotNullOrWhiteSpace(workerName, nameof(workerName));
         Check.NotNull(handler, nameof(handler));
@@ -35,7 +32,7 @@ public class DynamicBackgroundWorkerHandlerRegistry : IDynamicBackgroundWorkerHa
         return Handlers.ContainsKey(workerName);
     }
 
-    public virtual Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task>? Get(string workerName)
+    public virtual DynamicBackgroundWorkerHandler? Get(string workerName)
     {
         Check.NotNullOrWhiteSpace(workerName, nameof(workerName));
         return Handlers.TryGetValue(workerName, out var handler) ? handler : null;

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

@@ -1,4 +1,3 @@
-using System;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -12,7 +11,7 @@ public static class DynamicBackgroundWorkerManagerExtensions
     public static Task AddAsync(
         this IDynamicBackgroundWorkerManager manager,
         string workerName,
-        Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler,
+        DynamicBackgroundWorkerHandler handler,
         CancellationToken cancellationToken = default)
     {
         return manager.AddAsync(

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

@@ -1,16 +1,12 @@
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-
 namespace Volo.Abp.BackgroundWorkers;
 
 public interface IDynamicBackgroundWorkerHandlerRegistry
 {
-    void Register(string workerName, Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler);
+    void Register(string workerName, DynamicBackgroundWorkerHandler handler);
 
     bool Unregister(string workerName);
 
     bool IsRegistered(string workerName);
 
-    Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task>? Get(string workerName);
+    DynamicBackgroundWorkerHandler? Get(string workerName);
 }

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

@@ -1,4 +1,3 @@
-using System;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -17,7 +16,7 @@ public interface IDynamicBackgroundWorkerManager
     Task AddAsync(
         string workerName,
         DynamicBackgroundWorkerSchedule schedule,
-        Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler,
+        DynamicBackgroundWorkerHandler handler,
         CancellationToken cancellationToken = default);
 
     /// <summary>

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

@@ -1,8 +1,6 @@
-using System;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Logging;
 using Volo.Abp.Threading;
 
 namespace Volo.Abp.BackgroundWorkers;
@@ -11,12 +9,12 @@ public class InMemoryDynamicBackgroundWorker : AsyncPeriodicBackgroundWorkerBase
 {
     public string WorkerName { get; }
 
-    private readonly Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> _handler;
+    private readonly DynamicBackgroundWorkerHandler _handler;
 
     public InMemoryDynamicBackgroundWorker(
         string workerName,
         DynamicBackgroundWorkerSchedule schedule,
-        Func<DynamicBackgroundWorkerExecutionContext, CancellationToken, Task> handler,
+        DynamicBackgroundWorkerHandler handler,
         AbpAsyncTimer timer,
         IServiceScopeFactory serviceScopeFactory)
         : base(timer, serviceScopeFactory)