mirror of https://github.com/dapr/dotnet-sdk.git
65 lines
2.3 KiB
C#
65 lines
2.3 KiB
C#
// ------------------------------------------------------------------------
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// Copyright 2024 The Dapr Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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using Dapr.Workflow;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Hosting;
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using WorkflowTaskChaining.Activities;
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using WorkflowTaskChaining.Workflows;
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var builder = Host.CreateDefaultBuilder(args).ConfigureServices(services =>
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{
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services.AddDaprWorkflow(options =>
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{
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options.RegisterWorkflow<DemoWorkflow>();
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options.RegisterActivity<Step1>();
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options.RegisterActivity<Step2>();
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options.RegisterActivity<Step3>();
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});
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});
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// Start the app - this is the point where we connect to the Dapr sidecar to listen
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// for workflow work-items to execute
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using var host = builder.Build();
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await host.StartAsync();
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await using var scope = host.Services.CreateAsyncScope();
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var daprWorkflowClient = scope.ServiceProvider.GetRequiredService<DaprWorkflowClient>();
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//Check health
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const int wfInput = 42;
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Console.WriteLine(@"Workflow Started");
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var instanceId = $"demo-workflow-{Guid.NewGuid().ToString()[..8]}";
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//Start the workflow immediately
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await daprWorkflowClient.ScheduleNewWorkflowAsync(nameof(DemoWorkflow), instanceId, wfInput);
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//Get the status of the workflow
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WorkflowState workflowState;
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while (true)
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{
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workflowState = await daprWorkflowClient.GetWorkflowStateAsync(instanceId, true);
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Console.WriteLine($@"Workflow status: {workflowState.RuntimeStatus}");
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if (workflowState.IsWorkflowCompleted)
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break;
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await Task.Delay(TimeSpan.FromSeconds(1));
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}
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//Display the result from the workflow
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var result = string.Join(" ", workflowState.ReadOutputAs<int[]>() ?? Array.Empty<int>());
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Console.WriteLine($@"Workflow result: {result}");
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