用于 .NET 标准的轻量级工作流引擎
Workflow Core is a light weight embeddable workflow engine targeting .NET Standard. Think: long running processes with multiple tasks that need to track state. It supports pluggable persistence and concurrency providers to allow for multi-node clusters.
Conductor is a stand-alone workflow server as opposed to a library that uses Workflow Core internally. It exposes an API that allows you to store workflow definitions, track running workflows, manage events and define custom steps and scripts for usage in your workflows.
https://github.com/danielgerlag/conductor
See Tutorial here.
Define your workflows with the fluent API.
public class MyWorkflow : IWorkflow
{
public void Build(IWorkflowBuilder<MyData> builder)
{
builder
.StartWith<Task1>()
.Then<Task2>()
.Then<Task3>();
}
}
Define your workflows in JSON or YAML, need to install WorkFlowCore.DSL
{
"Id": "HelloWorld",
"Version": 1,
"Steps": [
{
"Id": "Hello",
"StepType": "MyApp.HelloWorld, MyApp",
"NextStepId": "Bye"
},
{
"Id": "Bye",
"StepType": "MyApp.GoodbyeWorld, MyApp"
}
]
}
Id: HelloWorld
Version: 1
Steps:
- Id: Hello
StepType: MyApp.HelloWorld, MyApp
NextStepId: Bye
- Id: Bye
StepType: MyApp.GoodbyeWorld, MyApp
…
public class MyWorkflow : IWorkflow
{
public void Build(IWorkflowBuilder<MyData> builder)
{
builder
.StartWith<CreateCustomer>()
.Then<PushToSalesforce>()
.OnError(WorkflowErrorHandling.Retry, TimeSpan.FromMinutes(10))
.Then<PushToERP>()
.OnError(WorkflowErrorHandling.Retry, TimeSpan.FromMinutes(10));
}
}
builder
.StartWith<LogStart>()
.Saga(saga => saga
.StartWith<Task1>()
.CompensateWith<UndoTask1>()
.Then<Task2>()
.CompensateWith<UndoTask2>()
.Then<Task3>()
.CompensateWith<UndoTask3>()
)
.OnError(Models.WorkflowErrorHandling.Retry, TimeSpan.FromMinutes(10))
.Then<LogEnd>();
Since workflows are typically long running processes, they will need to be persisted to storage between steps. There are several persistence providers available as separate Nuget packages.
A search index provider can be plugged in to Workflow Core, enabling you to index your workflows and search against the data and state of them. These are also available as separate Nuget packages.
This project is licensed under the MIT License - see the LICENSE.md file for details
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