lxm_library_java/SnowFlake-IdGenerator
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yitter
2021-03-27 18:14:02 +08:00
parent ea30df4254
commit 5692602660
6 changed files with 100 additions and 101 deletions
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2
C#.NET/source/Yitter.IdGenerator/Core/SnowWorkerM1.cs
View File

@@ -103,7 +103,7 @@ namespace Yitter.IdGenerator
if (MaxSeqNumber == 0)
{
MaxSeqNumber = (int)Math.Pow(2, SeqBitLength) - 1;
MaxSeqNumber = (1 << SeqBitLength) - 1;
}
_TimestampShift = (byte)(WorkerIdBitLength + SeqBitLength);

6
C#.NET/source/Yitter.IdGenerator/DefaultIdGenerator.cs
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@@ -49,7 +49,7 @@ namespace Yitter.IdGenerator
throw new ApplicationException("error：WorkerIdBitLength + SeqBitLength <= 22");
}
var maxWorkerIdNumber = Math.Pow(2, options.WorkerIdBitLength) - 1;
var maxWorkerIdNumber = (1 << options.WorkerIdBitLength) - 1;
if (options.WorkerId < 0 || options.WorkerId > maxWorkerIdNumber)
{
throw new ApplicationException("WorkerId error. (range:[0, " + (maxWorkerIdNumber > 0 ? maxWorkerIdNumber : 63) + "]");
@@ -60,13 +60,13 @@ namespace Yitter.IdGenerator
throw new ApplicationException("SeqBitLength error. (range:[2, 21])");
}
var maxSeqNumber = Math.Pow(2, options.SeqBitLength) - 1;
var maxSeqNumber = (1 << options.SeqBitLength) - 1;
if (options.MaxSeqNumber < 0 || options.MaxSeqNumber > maxSeqNumber)
{
throw new ApplicationException("MaxSeqNumber error. (range:[1, " + maxSeqNumber + "]");
}
var maxValue = maxSeqNumber; // maxSeqNumber - 1;
var maxValue = maxSeqNumber;
if (options.MinSeqNumber < 1 || options.MinSeqNumber > maxValue)
{
throw new ApplicationException("MinSeqNumber error. (range:[1, " + maxValue + "]");

5
Go/source/gen/DefaultIdGenerator.go
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@@ -7,7 +7,6 @@
package gen
import (
"math"
"time"
"yitidgen/contract"
"yitidgen/core"
@@ -33,7 +32,7 @@ func NewDefaultIdGenerator(options *contract.IdGeneratorOptions) *DefaultIdGener
panic("error：WorkerIdBitLength + SeqBitLength <= 22")
}
maxWorkerIdNumber := uint16(math.Pow(float64(2), float64(options.WorkerIdBitLength))) - 1
maxWorkerIdNumber := uint16(1<<options.WorkerIdBitLength) - 1
if options.WorkerId > maxWorkerIdNumber {
panic("WorkerId error. (range:[1, " + string(maxWorkerIdNumber) + "]")
}
@@ -42,7 +41,7 @@ func NewDefaultIdGenerator(options *contract.IdGeneratorOptions) *DefaultIdGener
panic("SeqBitLength error. (range:[2, 21])")
}
maxSeqNumber := uint32(math.Pow(2, float64(options.SeqBitLength))) - 1
maxSeqNumber := uint32(1<<options.SeqBitLength) - 1
if options.MaxSeqNumber > maxSeqNumber {
panic("MaxSeqNumber error. (range:[1, " + string(maxSeqNumber) + "]")
}

158
Java/source/src/main/java/com/yitter/idgen/DefaultIdGenerator.java
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@@ -1,79 +1,79 @@
/*
* 版权属于：yitter(yitter@126.com)
* 开源地址：https://gitee.com/yitter/idgenerator
*/
package com.yitter.idgen;
import com.yitter.contract.ISnowWorker;
import com.yitter.contract.IdGeneratorException;
import com.yitter.contract.IdGeneratorOptions;
import com.yitter.contract.IIdGenerator;
import com.yitter.core.SnowWorkerM1;
import com.yitter.core.SnowWorkerM2;
public class DefaultIdGenerator implements IIdGenerator {
private static ISnowWorker _SnowWorker = null;
public DefaultIdGenerator(IdGeneratorOptions options) throws IdGeneratorException {
if (options == null) {
throw new IdGeneratorException("options error.");
}
if (options.BaseTime < 315504000000L || options.BaseTime > System.currentTimeMillis()) {
throw new IdGeneratorException("BaseTime error.");
}
if (options.WorkerIdBitLength <= 0) {
throw new IdGeneratorException("WorkerIdBitLength error.(range:[1, 21])");
}
if (options.SeqBitLength + options.WorkerIdBitLength > 22) {
throw new IdGeneratorException("error：WorkerIdBitLength + SeqBitLength <= 22");
}
double maxWorkerIdNumber = Math.pow(2, options.WorkerIdBitLength) - 1;
if (options.WorkerId < 0 || options.WorkerId > maxWorkerIdNumber) {
throw new IdGeneratorException("WorkerId error. (range:[0, " + (maxWorkerIdNumber > 0 ? maxWorkerIdNumber : 63) + "]");
}
if (options.SeqBitLength < 2 || options.SeqBitLength > 21) {
throw new IdGeneratorException("SeqBitLength error. (range:[2, 21])");
}
double maxSeqNumber = Math.pow(2, options.SeqBitLength) - 1;
if (options.MaxSeqNumber < 0 || options.MaxSeqNumber > maxSeqNumber) {
throw new IdGeneratorException("MaxSeqNumber error. (range:[1, " + maxSeqNumber + "]");
}
double maxValue = maxSeqNumber;
if (options.MinSeqNumber < 1 || options.MinSeqNumber > maxValue) {
throw new IdGeneratorException("MinSeqNumber error. (range:[1, " + maxValue + "]");
}
switch (options.Method) {
case 1:
_SnowWorker = new SnowWorkerM1(options);
break;
case 2:
_SnowWorker = new SnowWorkerM2(options);
break;
default:
_SnowWorker = new SnowWorkerM1(options);
break;
}
if (options.Method == 1) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
@Override
public long newLong() {
return _SnowWorker.nextId();
}
}
/*
* 版权属于：yitter(yitter@126.com)
* 开源地址：https://gitee.com/yitter/idgenerator
*/
package com.yitter.idgen;
import com.yitter.contract.ISnowWorker;
import com.yitter.contract.IdGeneratorException;
import com.yitter.contract.IdGeneratorOptions;
import com.yitter.contract.IIdGenerator;
import com.yitter.core.SnowWorkerM1;
import com.yitter.core.SnowWorkerM2;
public class DefaultIdGenerator implements IIdGenerator {
private static ISnowWorker _SnowWorker = null;
public DefaultIdGenerator(IdGeneratorOptions options) throws IdGeneratorException {
if (options == null) {
throw new IdGeneratorException("options error.");
}
if (options.BaseTime < 315504000000L || options.BaseTime > System.currentTimeMillis()) {
throw new IdGeneratorException("BaseTime error.");
}
if (options.WorkerIdBitLength <= 0) {
throw new IdGeneratorException("WorkerIdBitLength error.(range:[1, 21])");
}
if (options.SeqBitLength + options.WorkerIdBitLength > 22) {
throw new IdGeneratorException("error：WorkerIdBitLength + SeqBitLength <= 22");
}
int maxWorkerIdNumber = (1 << options.WorkerIdBitLength) - 1;
if (options.WorkerId < 0 || options.WorkerId > maxWorkerIdNumber) {
throw new IdGeneratorException("WorkerId error. (range:[0, " + (maxWorkerIdNumber > 0 ? maxWorkerIdNumber : 63) + "]");
}
if (options.SeqBitLength < 2 || options.SeqBitLength > 21) {
throw new IdGeneratorException("SeqBitLength error. (range:[2, 21])");
}
int maxSeqNumber = (1 << options.SeqBitLength) - 1;
if (options.MaxSeqNumber < 0 || options.MaxSeqNumber > maxSeqNumber) {
throw new IdGeneratorException("MaxSeqNumber error. (range:[1, " + maxSeqNumber + "]");
}
int maxValue = maxSeqNumber;
if (options.MinSeqNumber < 1 || options.MinSeqNumber > maxValue) {
throw new IdGeneratorException("MinSeqNumber error. (range:[1, " + maxValue + "]");
}
switch (options.Method) {
case 1:
_SnowWorker = new SnowWorkerM1(options);
break;
case 2:
_SnowWorker = new SnowWorkerM2(options);
break;
default:
_SnowWorker = new SnowWorkerM1(options);
break;
}
if (options.Method == 1) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
@Override
public long newLong() {
return _SnowWorker.nextId();
}
}

2
README.md
View File

@@ -2,7 +2,7 @@
## 介绍
1.用一种全新的雪花漂移算法，让ID更短、生成速度更快。
1.一个全新的雪花漂移算法，使生成的ID更短、速度更快。
2.核心在于缩短ID长度的同时，还能拥有极高瞬时并发处理量（保守值 50W/0.1s）。

28
Rust/source/src/yitgen/core/snow_worker_m1.rs
View File

@@ -47,7 +47,7 @@ impl SnowWorkerM1 {
if options.BaseTime == 0 {
self.BaseTime = 1582136402000;
} else if options.BaseTime < 631123200000 || options.BaseTime > Utc::now().timestamp_millis() {
panic!("BaseTime error.")
panic!("BaseTime error.");
} else {
self.BaseTime = options.BaseTime;
}
@@ -58,39 +58,39 @@ impl SnowWorkerM1 {
panic!("WorkerIdBitLength error.(range:[1, 21])");
}
if options.SeqBitLength + options.WorkerIdBitLength > 22 {
panic!("error：WorkerIdBitLength + SeqBitLength <= 22")
panic!("error：WorkerIdBitLength + SeqBitLength <= 22");
} else {
self.WorkerIdBitLength = options.WorkerIdBitLength;
// self.WorkerIdBitLength = if options.WorkerIdBitLength == 0 { 6 } else { options.WorkerIdBitLength };
// self.WorkerIdBitLength = options.WorkerIdBitLength;
self.WorkerIdBitLength = if options.WorkerIdBitLength <= 0 { 6 } else { options.WorkerIdBitLength };
}
// WorkerId
let maxWorkerIdNumber = (2 as u32).pow(options.WorkerIdBitLength as u32) - 1;
let maxWorkerIdNumber = (1 << options.WorkerIdBitLength) - 1;
if options.WorkerId < 0 || options.WorkerId > maxWorkerIdNumber {
panic!("WorkerId error. (range:[0, {} ]", if maxWorkerIdNumber <= 0 { 63 } else { maxWorkerIdNumber })
panic!("WorkerId error. (range:[0, {} ]", if maxWorkerIdNumber <= 0 { 63 } else { maxWorkerIdNumber });
} else {
self.WorkerId = options.WorkerId;
}
// SeqBitLength
if options.SeqBitLength < 2 || options.SeqBitLength > 21 {
panic!("SeqBitLength error. (range:[2, 21])")
panic!("SeqBitLength error. (range:[2, 21])");
} else {
self.SeqBitLength = options.SeqBitLength;
// self.SeqBitLength = if options.SeqBitLength == 0 { 6 } else { options.SeqBitLength };
// self.SeqBitLength = options.SeqBitLength;
self.SeqBitLength = if options.SeqBitLength <= 0 { 6 } else { options.SeqBitLength };
}
// MaxSeqNumber
let maxSeqNumber = (2 as u32).pow(options.SeqBitLength as u32) - 1;
let maxSeqNumber = (1 << options.SeqBitLength) - 1;
if options.MaxSeqNumber > maxSeqNumber {
panic!("MaxSeqNumber error. (range:[1, {}]", maxSeqNumber)
panic!("MaxSeqNumber error. (range:[1, {}]", maxSeqNumber);
} else {
self.MaxSeqNumber = if options.MaxSeqNumber <= 0 { (2 as u32).pow(options.SeqBitLength as u32) - 1 } else { options.MaxSeqNumber };
self.MaxSeqNumber = if options.MaxSeqNumber <= 0 { maxSeqNumber } else { options.MaxSeqNumber };
}
// MinSeqNumber
if options.MinSeqNumber > maxSeqNumber {
panic!("MinSeqNumber error. (range:[1, {}]", maxSeqNumber)
panic!("MinSeqNumber error. (range:[1, {}]", maxSeqNumber);
} else {
self.MinSeqNumber = options.MinSeqNumber;
}
@@ -100,7 +100,7 @@ impl SnowWorkerM1 {
self._CurrentSeqNumber = options.MinSeqNumber;
if options.Method == 1 {
sleep(std::time::Duration::from_millis(500))
sleep(std::time::Duration::from_millis(500));
}
}