Package org.hibernate.type.descriptor.java

Interface VersionJavaType<T>

All Superinterfaces:

JavaType<T>, Serializable

All Known Implementing Classes:

ByteJavaType, CalendarJavaType, DateJavaType, InstantJavaType, IntegerJavaType, JdbcTimestampJavaType, LocalDateTimeJavaType, LongJavaType, OffsetDateTimeJavaType, PrimitiveByteArrayJavaType, ShortJavaType, UserTypeVersionJavaTypeWrapper, ZonedDateTimeJavaType

public interface VersionJavaType<T>
extends JavaType<T>

Additional contract for types which may be used to version (and optimistic lock) data.

Nested Class Summary

Nested classes/interfaces inherited from interface org.hibernate.type.descriptor.java.JavaType

JavaType.CoercionContext

Method Summary

Modifier and Type	Method	Description
T	next(T current, Long length, Integer precision, Integer scale, SharedSessionContractImplementor session)	Increment the version.
T	seed(Long length, Integer precision, Integer scale, SharedSessionContractImplementor session)	Generate an initial version.

Methods inherited from interface org.hibernate.type.descriptor.java.JavaType

appendEncodedString, areEqual, coerce, createJavaType, extractHashCode, extractLoggableRepresentation, fromEncodedString, fromString, getCheckCondition, getComparator, getDefaultSqlLength, getDefaultSqlPrecision, getDefaultSqlScale, getDefaultValue, getJavaType, getJavaTypeClass, getLongSqlLength, getMutabilityPlan, getRecommendedJdbcType, getReplacement, getTypeName, isInstance, isTemporalType, isWider, toString, unwrap, useObjectEqualsHashCode, wrap

Method Details

seed

T seed(Long length,
 Integer precision,
 Integer scale,
 SharedSessionContractImplementor session)

Generate an initial version.

Note that this operation is only used when the program sets a null or negative number as the value of the entity version field. It is not called when the program sets the version field to a sensible-looking version.

Parameters:

length - The length of the type

precision - The precision of the type

scale - The scale of the type

session - The session from which this request originates.

Returns:

an instance of the type

next

T next(T current,
 Long length,
 Integer precision,
 Integer scale,
 SharedSessionContractImplementor session)

Increment the version.

Parameters:

current - the current version

length - The length of the type

precision - The precision of the type

scale - The scale of the type

session - The session from which this request originates.

Returns:

an instance of the type