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

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net.sf.hibernate.engine
Class Versioning

java.lang.Object
  net.sf.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, ClassPersister persister)
          Get the version number of the given instance state snapshot

static Object increment(Object version, VersionType versionType)
          Increment the given version number

static boolean seedVersion(Object[] fields, int versionProperty, VersionType versionType)
          Seed the given instance state snapshot with an initial version number

static void setVersion(Object[] fields, Object version, ClassPersister 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

See Also:: 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)

Increment the given version number

seedVersion

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

Seed the given instance state snapshot with an initial version number

setVersion

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

Set the version number of the given instance state snapshot

getVersion

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

Get the version number of the given instance state snapshot

Throws:: HibernateException