IdWorker

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java.lang.Object
- com.publiccms.common.tools.IdWorker

```
public class IdWorker
extends java.lang.Object
```
An object that generates IDs. This is broken into a separate class in case we ever want to support multiple worker threads per process

字段概要

字段
限定符和类型	字段和说明
`private long`	`lastTimestamp`
`protected org.apache.commons.logging.Log`	`log`
`private long`	`maxWorkerId`
`private long`	`sequence`
`private long`	`sequenceBits`
`private long`	`sequenceMask`
`private long`	`timestampLeftShift`
`private long`	`workerId`
`private long`	`workerIdBits`
`private long`	`workerIdShift`

构造器概要

构造器
构造器和说明

IdWorker(long workerId)

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`long`	`nextId()`
`protected long`	`tilNextMillis(long lastTimestamp)` 阻塞到下一个毫秒，直到获得新的时间戳
`protected long`	`timeGen()` 返回以毫秒为单位的当前时间

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

log

protected final org.apache.commons.logging.Log log

workerId
```
private long workerId
```

sequence
```
private long sequence
```

workerIdBits
```
private long workerIdBits
```

maxWorkerId
```
private long maxWorkerId
```

sequenceBits
```
private long sequenceBits
```

workerIdShift
```
private long workerIdShift
```

timestampLeftShift
```
private long timestampLeftShift
```

sequenceMask
```
private long sequenceMask
```

lastTimestamp
```
private long lastTimestamp
```

构造器详细资料
- IdWorker
```
public IdWorker(long workerId)
```

方法详细资料
- tilNextMillis
```
protected long tilNextMillis(long lastTimestamp)
```
  阻塞到下一个毫秒，直到获得新的时间戳
  
  参数:
  
  lastTimestamp - 上次生成ID的时间截
  
  返回:
  
  当前时间戳
- nextId
```
public long nextId()
```
- timeGen
```
protected long timeGen()
```
  返回以毫秒为单位的当前时间
  
  返回:
  
  当前时间(毫秒)

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