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# idgenerator
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something is going on.
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## <20><><EFBFBD>л<EFBFBD><D0BB><EFBFBD>
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JDK 1.8
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## <20><><EFBFBD><EFBFBD> maven <20><>
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```
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```
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## <20><><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE>
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```
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// ȫ<>ֳ<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>WorkerId<49><64>Ĭ<EFBFBD><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2^16-1<><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB>ֻ<EFBFBD><D6BB>һ<EFBFBD>Σ<EFBFBD><CEA3>ұ<EFBFBD><D2B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD>
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IdGeneratorOptions options = new IdGeneratorOptions();
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options.WorkerId = 1;
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IdHelper.setIdGenerator(options);
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// <20><>ʼ<EFBFBD><CABC><EFBFBD>ԺͿ<F3A3ACBE><CDBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ĵط<C4B5><D8B7><EFBFBD><EFBFBD>÷<EFBFBD><C3B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ID<49><44>
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long newId = IdHelper.nextId();
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```
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DI<EFBFBD><EFBFBD><EFBFBD>ܼ<EFBFBD><EFBFBD>ɣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Բο<EFBFBD> IdHelper ȥ<><C8A5><EFBFBD><EFBFBD> IdGenerator <20><><EFBFBD><EFBFBD><F3A3ACB1><EFBFBD>ʹ<EFBFBD><CAB9>**<2A><><EFBFBD><EFBFBD>**ģʽ<C4A3><CABD>
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## options˵<73><CBB5>
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```
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/**
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* ѩ<><D1A9><EFBFBD><EFBFBD><EFBFBD>㷽<EFBFBD><E3B7BD>
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* <20><>1-Ư<><C6AF><EFBFBD>㷨|2-<2D><>ͳ<EFBFBD>㷨<EFBFBD><E3B7A8><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC>1
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*/
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public short Method = 1;
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/**
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* <20><>ʼʱ<CABC><CAB1>
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* <20><><EFBFBD>ܳ<EFBFBD><DCB3><EFBFBD><EFBFBD><EFBFBD>ǰϵͳʱ<CDB3><CAB1>
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*/
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public long StartTime = 0;
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/**
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* <20><><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EBA3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ⲿϵͳ<CFB5><CDB3><EFBFBD><EFBFBD>
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* <20><> WorkerIdBitLength <20>й<EFBFBD>ϵ
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*/
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public short WorkerId = 0;
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/**
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
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* <20><>Χ<EFBFBD><CEA7>2-21<32><31>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>+<2B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>22<32><32><EFBFBD><EFBFBD>
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* <20><><EFBFBD>鷶Χ<E9B7B6><CEA7>6-12<31><32>
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*/
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public byte WorkerIdBitLength = 6;
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/**
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>
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* <20><>Χ<EFBFBD><CEA7>2-21<32><31>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>+<2B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>22<32><32><EFBFBD><EFBFBD>
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* <20><><EFBFBD>鷶Χ<E9B7B6><CEA7>6-14<31><34>
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*/
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public byte SeqBitLength = 6;
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/**
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* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* <20><><EFBFBD><EFBFBD>SeqBitLength<74><68><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>
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*/
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public short MaxSeqNumber = 0;
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/**
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* <20><>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* Ĭ<><C4AC>11<31><31><EFBFBD><EFBFBD>С<EFBFBD><D0A1>5<EFBFBD><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>MaxSeqNumber-2
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*/
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public short MinSeqNumber = 11;
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/**
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* <20><><EFBFBD><EFBFBD>Ư<EFBFBD>ƴ<EFBFBD><C6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* Ĭ<><C4AC>2000<30><30><EFBFBD>Ƽ<EFBFBD><C6BC><EFBFBD>Χ500-10000<30><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>йأ<D0B9>
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*/
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public short TopOverCostCount = 2000;
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```
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@@ -17,6 +17,7 @@ public class IdGeneratorException extends RuntimeException {
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public IdGeneratorException(Throwable cause) {
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super(cause);
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}
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public IdGeneratorException(String message, Throwable cause) {
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super(message, cause);
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}
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@@ -9,6 +9,7 @@ package com.yitter.contract;
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* 此处代码不采用 get/set 那种冗长的写法
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*/
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public class IdGeneratorOptions {
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/**
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* 雪花计算方法
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* (1-漂移算法|2-传统算法),默认1
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