BitsAllocator (snow-flake 1.0.2 API)

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java.lang.Object
- com.twitter.snowflake.sequence.BitsAllocator

```
public class BitsAllocator
extends Object
```
Allocate 64 bits for the Unique ID(long)
sign (fixed 1bit) -> timestamp -> workerId -> sequence(within the same millisecond)

作者:

svili

字段概要

字段
限定符和类型字段和说明

static int TOTAL_BITS
Total 64 bits

构造器概要

构造器
构造器和说明
`BitsAllocator(int timestampBits, int workerIdBits, int sequenceBits)` Constructor with timestampBits, workerIdBits, sequenceBits The highest bit used for sign, so `63` bits for timestampBits, workerIdBits, sequenceBits

方法概要

方法
限定符和类型	方法和说明
`long`	`allocate(long deltaTime, long workerId, long sequence)` Allocate bits for ID according to delta timestamp & workerId & sequence Note that: The highest bit will always be 0 for sign
`long`	`getMaxDeltaTime()`
`long`	`getMaxSequence()`
`long`	`getMaxWorkerId()`
`int`	`getSequenceBits()`
`int`	`getSignBits()` Getters
`int`	`getTimestampBits()`
`int`	`getTimestampShift()`
`int`	`getWorkerIdBits()`
`int`	`getWorkerIdShift()`

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
  - TOTAL_BITS
```
public static final int TOTAL_BITS
```
    Total 64 bits
    
    另请参阅:
    常量字段值
- 构造器详细资料
  - BitsAllocator
```
public BitsAllocator(int timestampBits,
             int workerIdBits,
             int sequenceBits)
```
    Constructor with timestampBits, workerIdBits, sequenceBits
    The highest bit used for sign, so 63 bits for timestampBits, workerIdBits, sequenceBits
- 方法详细资料
  - allocate
```
public long allocate(long deltaTime,
            long workerId,
            long sequence)
```
    Allocate bits for ID according to delta timestamp & workerId & sequence
    Note that: The highest bit will always be 0 for sign
  - getSignBits
```
public int getSignBits()
```
    Getters
  - getTimestampBits
```
public int getTimestampBits()
```
  - getWorkerIdBits
```
public int getWorkerIdBits()
```
  - getSequenceBits
```
public int getSequenceBits()
```
  - getMaxDeltaTime
```
public long getMaxDeltaTime()
```
  - getMaxWorkerId
```
public long getMaxWorkerId()
```
  - getMaxSequence
```
public long getMaxSequence()
```
  - getTimestampShift
```
public int getTimestampShift()
```
  - getWorkerIdShift
```
public int getWorkerIdShift()
```

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