org.hibernate.engine
Class Versioning

java.lang.Object
  org.hibernate.engine.Versioning

public final class Versioning

extends Object

Utility methods for managing versions and timestamps

Author:

Gavin King

Field Summary

static int	OPTIMISTIC_LOCK_ALL
static int	OPTIMISTIC_LOCK_DIRTY
static int	OPTIMISTIC_LOCK_NONE
static int	OPTIMISTIC_LOCK_VERSION

Method Summary

static Object	getVersion(Object[] fields, EntityPersister persister) Get the version number of the given instance state snapshot
static Object	increment(Object version, VersionType versionType, SessionImplementor session) Increment the given version number
static boolean	isVersionIncrementRequired(int[] dirtyProperties, boolean hasDirtyCollections, boolean[] propertyVersionability) Do we need to increment the version number, given the dirty properties?
static boolean	seedVersion(Object[] fields, int versionProperty, VersionType versionType, SessionImplementor session) Seed the given instance state snapshot with an initial version number
static void	setVersion(Object[] fields, Object version, EntityPersister persister) Set the version number of the given instance state snapshot

Methods inherited from class java.lang.Object

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

Field Detail

OPTIMISTIC_LOCK_NONE

public static final int OPTIMISTIC_LOCK_NONE

See Also:

Constant Field Values

OPTIMISTIC_LOCK_ALL

public static final int OPTIMISTIC_LOCK_ALL

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Constant Field Values

OPTIMISTIC_LOCK_DIRTY

public static final int OPTIMISTIC_LOCK_DIRTY

See Also:

Constant Field Values

OPTIMISTIC_LOCK_VERSION

public static final int OPTIMISTIC_LOCK_VERSION

See Also:

Constant Field Values

Method Detail

increment

public static Object increment(Object version,
                               VersionType versionType,
                               SessionImplementor session)

Increment the given version number

seedVersion

public static boolean seedVersion(Object[] fields,
                                  int versionProperty,
                                  VersionType versionType,
                                  SessionImplementor session)

Seed the given instance state snapshot with an initial version number

setVersion

public static void setVersion(Object[] fields,
                              Object version,
                              EntityPersister persister)

Set the version number of the given instance state snapshot

getVersion

public static Object getVersion(Object[] fields,
                                EntityPersister persister)
                         throws HibernateException

Get the version number of the given instance state snapshot

Throws:

HibernateException

isVersionIncrementRequired

public static boolean isVersionIncrementRequired(int[] dirtyProperties,
                                                 boolean hasDirtyCollections,
                                                 boolean[] propertyVersionability)

Do we need to increment the version number, given the dirty properties?