auto commit

C#.NET/source/Yitter.IdGenerator/Core/SnowWorkerM1.cs

@@ -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);

C#.NET/source/Yitter.IdGenerator/DefaultIdGenerator.cs

@@ -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 + "]");

Go/source/gen/DefaultIdGenerator.go

@@ -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) + "]")
 	}

Java/source/src/main/java/com/yitter/idgen/DefaultIdGenerator.java

@@ -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();
+    }
+}

README.md

@@ -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）。 
 

Rust/source/src/yitgen/core/snow_worker_m1.rs

@@ -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));
         }
     }