https://github.com/loyayz/simple-statemachine

简单通用的状态机，解决业务中的状态流转问题。
https://github.com/loyayz/simple-statemachine

state-machine statemachine

Last synced: 5 months ago
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简单通用的状态机，解决业务中的状态流转问题。

• Host: GitHub
• URL: https://github.com/loyayz/simple-statemachine
• Owner: loyayz
• License: mit
• Created: 2021-02-26T06:56:25.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2021-02-28T03:31:15.000Z (over 5 years ago)
• Last Synced: 2023-07-01T12:09:41.166Z (almost 3 years ago)
• Topics: state-machine, statemachine
• Language: Java
• Homepage:
• Size: 10.7 KB
• Stars: 1
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# simple-statemachine

[![Maven central](https://maven-badges.herokuapp.com/maven-central/com.loyayz/simple-statemachine/badge.svg)](https://mvnrepository.com/artifact/com.loyayz/simple-statemachine)

简单通用的状态机，解决业务中的状态流转问题。

## 1 实现原理

[实现原理](https://blog.csdn.net/significantfrank/article/details/104996419)

## 2 安装

```xml

  

    com.loyayz

    simple-statemachine

    1.0.1

  

```

## 3 快速开始

### 3.1 定义状态机

```java

  // 状态

  enum States {

    STATE1, STATE2, STATE3,STATE4

  }

  // 事件

  enum Events {

      EVENT1, EVENT2, EVENT3

  }

  // 状态机

  public void define() {

    StatemachineBuilder.create()

          // STATE1 -> STATE2 on EVENT1

          .newTransition()

          .from(States.STATE1)

          .to(States.STATE2)

          .on(Events.EVENT1)

          .when((ctx) -> true)

          .then((from, to, event, ctx) -> System.out.println("ctx [" + ctx + "], " + from + " -> " + to + " on " + event))

          .build()

          .register("my_first_statemachine");

  }

```

### 3.2 使用

```java

  // 获取状态机

  Statemachine statemachine = StatemachineFactory.get("my_first_statemachine");

  // 执行状态机

  statemachine.execute(States.STATE1, Events.EVENT1, "test");

```

[使用示例](https://github.com/loyayz/simple-sample)