Module com.github.f4b6a3.uuid
Class ShortSuffixCombFactory
- java.lang.Object
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- com.github.f4b6a3.uuid.factory.UuidFactory
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- com.github.f4b6a3.uuid.factory.AbstRandomBasedFactory
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- com.github.f4b6a3.uuid.factory.nonstandard.ShortSuffixCombFactory
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- All Implemented Interfaces:
NoArgsFactory
public final class ShortSuffixCombFactory extends AbstRandomBasedFactory
Factory that creates Suffix COMB GUIDs. A Suffix COMB GUID is a UUID that combines a creation time with random bits. The creation minute is a 2 bytes SUFFIX at the LEAST significant bits. The suffix wraps around every ~45 days (2^16/60/24 = ~45). Read: Sequential UUID Generators https://www.2ndquadrant.com/en/blog/sequential-uuid-generators/
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Field Summary
Fields Modifier and Type Field Description protected static intONE_MINUTE-
Fields inherited from class com.github.f4b6a3.uuid.factory.AbstRandomBasedFactory
randomFunction, UUID_BYTES
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Fields inherited from class com.github.f4b6a3.uuid.factory.UuidFactory
version, versionMask
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Constructor Summary
Constructors Constructor Description ShortSuffixCombFactory()ShortSuffixCombFactory(RandomFunction randomFunction)ShortSuffixCombFactory(Random random)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description UUIDcreate()Return a Suffix COMB GUID.-
Methods inherited from class com.github.f4b6a3.uuid.factory.AbstRandomBasedFactory
getRandomFunction
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Methods inherited from class com.github.f4b6a3.uuid.factory.UuidFactory
getUuid, getUuid, getVersion
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Field Detail
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ONE_MINUTE
protected static final int ONE_MINUTE
- See Also:
- Constant Field Values
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Constructor Detail
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ShortSuffixCombFactory
public ShortSuffixCombFactory()
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ShortSuffixCombFactory
public ShortSuffixCombFactory(Random random)
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ShortSuffixCombFactory
public ShortSuffixCombFactory(RandomFunction randomFunction)
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Method Detail
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create
public UUID create()
Return a Suffix COMB GUID. It combines a creation time with random bits. The creation minute is a 2 bytes SUFFIX at the LEAST significant bits. The suffix wraps around every ~45 days (2^16/60/24 = ~45).- Specified by:
createin interfaceNoArgsFactory- Overrides:
createin classAbstRandomBasedFactory- Returns:
- a random-based UUID
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