lxm_library_java/SnowFlake-IdGenerator
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优化参数判断逻辑

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yitter
2021-04-03 13:02:43 +08:00
parent c918675a5a
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Java/README.md
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@@ -1,34 +1,34 @@
## <EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD>
## 运行环境
JDK 1.8+
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD> maven <EFBFBD><EFBFBD>
## 引用 maven 包
```
<dependency>
<groupId>com.github.yitter</groupId>
<artifactId>yitter-idgenerator</artifactId>
<version>1.0.3</version>
<version>1.0.5</version>
</dependency>
```
## <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>
## 调用示例
```
// ȫ<EFBFBD>ֳ<EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>WorkerId<EFBFBD><EFBFBD>Ĭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2^16-1<><31><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD> WorkerIdBitLength <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
// 全局初始化设置WorkerId，默认最大2^16-1，可通过调整 WorkerIdBitLength 增加最大值
IdGeneratorOptions options = new IdGeneratorOptions();
options.WorkerId = 1;
YitIdHelper.setIdGenerator(options);
// <EFBFBD><EFBFBD><EFBFBD>ϳ<EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD>ֻ<EFBFBD><EFBFBD>һ<EFBFBD>Σ<EFBFBD><EFBFBD>ұ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 以上初始化过程全局只需一次，且必须最先设置
// <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD>Ժ󣬼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ID<EFBFBD>ĵط<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 初始化以后，即可在需要生成ID的地方，调用以下方法。
long newId = YitIdHelper.nextId();
```
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DI<EFBFBD><EFBFBD><EFBFBD>ܼ<EFBFBD><EFBFBD>ɣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Բο<EFBFBD> YitIdHelper ȥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> IdGenerator <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>**<2A><><EFBFBD><EFBFBD>**ģʽ<C4A3><CABD>
如果基于DI框架集成，可以参考 YitIdHelper 去管理 IdGenerator 对象，须使用**单例**模式。
## options Ĭ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>
## options 默认值及说明
<EFBFBD>ο<EFBFBD>Դ<EFBFBD>룺/contract/IdGeneratorOptions.java
参考源码：/contract/IdGeneratorOptions.java