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org.hibernate.usertype

Interface UserVersionType

All Superinterfaces:
Comparator, UserType
public interface UserVersionType
extends UserType, Comparator
A user type that may be used for a version property
Author:
Gavin King

Method Summary

Object
next(Object current, SessionImplementor session)
Increment the version.
Object
seed(SessionImplementor session)
Generate an initial version.

Methods inherited from interface org.hibernate.usertype.UserType

assemble, deepCopy, disassemble, equals, hashCode, isMutable, nullSafeGet, nullSafeSet, replace, returnedClass, sqlTypes

Method Details

next

public Object next(Object current,
                   SessionImplementor session)
Increment the version.
Parameters:
current - the current version
session - The session from which this request originates.
Returns:
an instance of the type

seed

public Object seed(SessionImplementor session)
Generate an initial version.
Parameters:
session - The session from which this request originates. May be null; currently this only happens during startup when trying to determine the "unsaved value" of entities.
Returns:
an instance of the type

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