Package org.hibernate.type

Class RowVersionType

java.lang.Object

org.hibernate.type.AbstractStandardBasicType<T>

org.hibernate.type.AbstractSingleColumnStandardBasicType<byte[]>

org.hibernate.type.RowVersionType

All Implemented Interfaces:

java.io.Serializable, BasicType, ProcedureParameterExtractionAware<byte[]>, ProcedureParameterNamedBinder, SingleColumnType<byte[]>, StringRepresentableType<byte[]>, Type, VersionType<byte[]>

public class RowVersionType
extends AbstractSingleColumnStandardBasicType<byte[]>
implements VersionType<byte[]>

A type that maps between a VARBINARY and byte[] specifically for entity versions/timestamps.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static RowVersionType	INSTANCE

Constructor Summary

Constructors

Constructor	Description
RowVersionType()

Method Summary

Modifier and Type	Method	Description
java.util.Comparator<byte[]>	getComparator()	Get a comparator for version values.
java.lang.String	getName()	Returns the abbreviated name of the type.
java.lang.String[]	getRegistrationKeys()	Get the names under which this type should be registered in the type registry.
byte[]	next(byte[] current, SharedSessionContractImplementor session)	Increment the version.
byte[]	seed(SharedSessionContractImplementor session)	Generate an initial version.

Methods inherited from class org.hibernate.type.AbstractSingleColumnStandardBasicType

nullSafeSet, sqlType

Methods inherited from class org.hibernate.type.AbstractStandardBasicType

assemble, beforeAssemble, canDoExtraction, canDoSetting, compare, deepCopy, deepCopy, defaultSizes, dictatedSizes, disassemble, extract, extract, fromString, fromStringValue, get, getColumnSpan, getDefaultSize, getDictatedSize, getHashCode, getHashCode, getJavaTypeDescriptor, getMutabilityPlan, getReplacement, getReturnedClass, getSemiResolvedType, getSqlTypeDescriptor, hydrate, isAnyType, isAssociationType, isCollectionType, isComponentType, isDirty, isDirty, isDirty, isEntityType, isEqual, isEqual, isModified, isMutable, isSame, isXMLElement, nullSafeGet, nullSafeGet, nullSafeGet, nullSafeGet, nullSafeSet, nullSafeSet, nullSafeSet, nullSafeSet, registerUnderJavaType, remapSqlTypeDescriptor, replace, replace, resolve, semiResolve, set, setJavaTypeDescriptor, setSqlTypeDescriptor, sqlTypes, toColumnNullness, toLoggableString, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.type.SingleColumnType

fromStringValue, get, nullSafeGet, set, toString

Methods inherited from interface org.hibernate.type.Type

assemble, beforeAssemble, compare, deepCopy, defaultSizes, dictatedSizes, disassemble, getColumnSpan, getHashCode, getHashCode, getReturnedClass, getSemiResolvedType, hydrate, isAnyType, isAssociationType, isCollectionType, isComponentType, isDirty, isDirty, isEntityType, isEqual, isEqual, isModified, isMutable, isSame, nullSafeGet, nullSafeGet, nullSafeSet, nullSafeSet, replace, replace, resolve, resolve, semiResolve, sqlTypes, toColumnNullness, toLoggableString

Field Detail

INSTANCE

public static final RowVersionType INSTANCE

Constructor Detail

RowVersionType

public RowVersionType()

Method Detail

getName

public java.lang.String getName()

Description copied from interface: Type

Returns the abbreviated name of the type.

Specified by:

getName in interface Type

Returns:

String the Hibernate type name

getRegistrationKeys

public java.lang.String[] getRegistrationKeys()

Description copied from interface: BasicType

Get the names under which this type should be registered in the type registry.

Specified by:

getRegistrationKeys in interface BasicType

Overrides:

getRegistrationKeys in class AbstractStandardBasicType<byte[]>

Returns:

The keys under which to register this type.

seed

public byte[] seed(SharedSessionContractImplementor session)

Description copied from interface: VersionType

Generate an initial version.

Specified by:

seed in interface VersionType<byte[]>

Parameters:

session - The session from which this request originates.

Returns:

an instance of the type

next

public byte[] next(byte[] current,
                   SharedSessionContractImplementor session)

Description copied from interface: VersionType

Increment the version.

Specified by:

next in interface VersionType<byte[]>

Parameters:

current - the current version

session - The session from which this request originates.

Returns:

an instance of the type

getComparator

public java.util.Comparator<byte[]> getComparator()

Description copied from interface: VersionType

Get a comparator for version values.

Specified by:

getComparator in interface VersionType<byte[]>

Returns:

The comparator to use to compare different version values.