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VersionType (Hibernate API Documentation) - Hibernate 2.1.8 正式版 API 英文文档

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net.sf.hibernate.type
Interface VersionType

All Superinterfaces:

Serializable, Type

All Known Implementing Classes:

ByteType, CalendarType, IntegerType, LongType, ShortType, TimestampType

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public interface VersionType

extends Type

A Type that may be used to version data.

Author:

Gavin King

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Method Summary
Comparator	getComparator()           Get a comparator for the version numbers
Object	next(Object current)           Increment the version.
Object	seed()           Generate an initial version.

 

Methods inherited from interface net.sf.hibernate.type.Type

assemble, copy, deepCopy, disassemble, equals, fromString, getColumnSpan, getName, getReturnedClass, hasNiceEquals, hydrate, isAssociationType, isComponentType, isDirty, isEntityType, isModified, isMutable, isObjectType, isPersistentCollectionType, nullSafeGet, nullSafeGet, nullSafeSet, resolveIdentifier, sqlTypes, toString

 

Method Detail

seed

public Object seed()

Generate an initial version.

Returns:

an instance of the type

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next

public Object next(Object current)

Increment the version.

Parameters:

current - the current version

Returns:

an instance of the type

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getComparator

public Comparator getComparator()

Get a comparator for the version numbers

Returns:

a comparator

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