icu.easyj.core.sequence

Class SequenceUtils

java.lang.Object

icu.easyj.core.sequence.SequenceUtils

public abstract class SequenceUtils
extends Object

序列工具

如果想要使用自己的实现，可通过set方法设置，也可通过 EnhancedServiceLoader 在/META-INF/services目录下增加实现，并设置order值小于999

Author:

wangliang181230

Field Summary

Fields

Modifier and Type	Field and Description
static ISequenceService	sequenceService

Constructor Summary

Constructors

Constructor and Description
SequenceUtils()

Method Summary

Modifier and Type	Method and Description
static long	currVal(String seqName) 获取当前序列值
static ISequenceService	getSequenceService()
static long	nextVal(String seqName) 获取下一序列值
static void	setSequenceService(ISequenceService sequenceService)
static long	setVal(String seqName, long newVal) 设置序列值

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sequenceService

public static ISequenceService sequenceService

Constructor Detail

SequenceUtils

public SequenceUtils()

Method Detail

getSequenceService

public static ISequenceService getSequenceService()

setSequenceService

public static void setSequenceService(ISequenceService sequenceService)

currVal

public static long currVal(@NonNull
                           String seqName)

获取当前序列值

Parameters:

seqName - 序列名

Returns:

当前序列值

Throws:

NotSupportedException - 部分实现无法设置序列值，将抛出该异常

nextVal

public static long nextVal(@NonNull
                           String seqName)

获取下一序列值

Parameters:

seqName - 序列名

Returns:

下一序列值

setVal

public static long setVal(@NonNull
                          String seqName,
                          long newVal)

设置序列值

Parameters:

seqName - 序列名

newVal - 新的序列值

Returns:

previousVal 前序列值

Throws:

NotSupportedException - 部分实现无法设置序列值，将抛出该异常