✨ 规划项目结构，添加一些必要的基础类

src/DotXxlJob.Core/DotXxlJob.Core.csproj

@@ -4,4 +4,8 @@
         <TargetFramework>netstandard2.0</TargetFramework>
     </PropertyGroup>
 
+    <ItemGroup>
+      <PackageReference Include="Microsoft.Extensions.Hosting" Version="2.2.0" />
+    </ItemGroup>
+
 </Project>

src/DotXxlJob.Core/IJobHandlerFactory.cs

@@ -0,0 +1,8 @@
+namespace DotXxlJob.Core
+{
+    public interface IJobHandlerFactory
+    {
+        //TODO: 获取实际执行的JobHandler
+        IJobHandler GetJobHandler(string handlerName);
+    }
+}

src/DotXxlJob.Core/JobExecuteHostedService.cs

@@ -0,0 +1,30 @@
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Hosting;
+
+namespace DotXxlJob.Core
+{
+    /// <summary>
+    ///  NOTE: 负责启动Executor服务，和进行服务注册的宿主服务
+    /// </summary>
+    public class JobsExecuteHostedService:IHostedService
+    {
+        public Task StartAsync(CancellationToken cancellationToken)
+        {
+            //1 初始化服务注册
+            //2 初始化adminClient
+            
+            //3 初始化执行线程
+            
+            //4 初始化XXL_RPC服务端口，HTTP服务
+            
+            throw new System.NotImplementedException();
+        }
+
+        public Task StopAsync(CancellationToken cancellationToken)
+        {
+            //清理Start中启动的资源
+            throw new System.NotImplementedException();
+        }
+    }
+}

src/DotXxlJob.Core/Model/TriggerParam.cs

@@ -0,0 +1,7 @@
+namespace DotXxlJob.Core.Model
+{
+    public class TriggerParam
+    {
+        
+    }
+}

src/DotXxlJob.Core/TaskExcutor.cs

@@ -0,0 +1,7 @@
+namespace DotXxlJob.Core
+{
+    public class TaskExcutor
+    {
+        
+    }
+}

src/DotXxlJob.Core/TaskExecutorFactory.cs

@@ -0,0 +1,7 @@
+namespace DotXxlJob.Core
+{
+    public class TaskExecutorFactory
+    {
+        
+    }
+}