Comments (3)
Hi Heitor,
Host should run continously, in background, generally as a service. You're not supposed to start/stop it each time you want to run a workflow.
In your case, the workflow instance has juste the time to register and not to start before you stop the host service.
At least if your host is embeded in your WPF application, it should be running the whole time your application is running.
Yours,
Christian
from workflow-core.
Hi Heitor, In App.xmal.cs
, create Microsoft.Extensions.Hosting
private static readonly IHost _host = Host.CreateDefaultBuilder()
.ConfigureAppConfiguration(c =>
{
c.SetBasePath(AppContext.BaseDirectory)
.AddJsonFile(LoggingConfigFileSystem, optional: false, reloadOnChange: true);
})
.ConfigureServices(
(_, services) =>
{
// Workflow core
services.AddWorkflow();
// Add workflow steps
services.AddTransient<CxxxWriterStep>();
}
)
.Build();
Here start host and register workflow
private void OnStartup(object sender, StartupEventArgs e)
{
_host.Start();
// RegisterWorkflow
_wokflowhost = GetRequiredService<IWorkflowHost>();
_wokflowhost.RegisterWorkflow<MyWorkflow, MyData>();
_wokflowhost.Start();
}
private void OnExit(object sender, ExitEventArgs e)
{
_host.StopAsync().Wait();
_wokflowhost.Stop();
_host.Dispose();
}
from workflow-core.
Also, you need to DI your pages, view models etc. in ConfigureServices
. So you can use it in page.
public partial class TestControlPage : Page
{
private readonly IWorkflowHost _host;
public TestControlPage(IWorkflowHost host)
{
_host = host;
}
private void StartButtonClick(object sender, RoutedEventArgs e)
{
_ = _host.StartWorkflow("xxxx", 1, new MyData { xxx = "xxx" });
}
}
from workflow-core.
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from workflow-core.