DbTimestampType (Hibernate API Documentation) - Hibernate 3.2.4 正式版 API 英文文档

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org.hibernate.type
Class DbTimestampType

java.lang.Object
  org.hibernate.type.AbstractType
      org.hibernate.type.NullableType
          org.hibernate.type.MutableType
              org.hibernate.type.TimestampType
                  org.hibernate.type.DbTimestampType

All Implemented Interfaces:: LiteralType, Serializable, Type, VersionType

public class DbTimestampType
extends TimestampType
implements VersionType

dbtimestamp: An extension of TimestampType which maps to the database's current timestamp, rather than the jvm's current timestamp.

Note: May/may-not cause issues on dialects which do not properly support a true notion of timestamp (Oracle < 8, for example, where only its DATE datatype is supported). Depends on the frequency of DML operations...

Author:: Steve Ebersole
See Also:: Serialized Form

Constructor Summary

DbTimestampType()


Method Summary

String getName()
          Returns the abbreviated name of the type.

Object seed(SessionImplementor session)
          Generate an initial version.

Methods inherited from class org.hibernate.type.TimestampType

deepCopyNotNull, fromStringValue, get, getComparator, getHashCode, getReturnedClass, isEqual, next, objectToSQLString, set, sqlType, toString

Methods inherited from class org.hibernate.type.MutableType

deepCopy, isMutable, replace

Methods inherited from class org.hibernate.type.NullableType

fromXMLNode, fromXMLString, getColumnSpan, isDirty, isEqual, nullSafeGet, nullSafeGet, nullSafeGet, nullSafeGet, nullSafeSet, nullSafeSet, nullSafeSet, nullSafeToString, setToXMLNode, sqlTypes, toColumnNullness, toLoggableString, toXMLString

Methods inherited from class org.hibernate.type.AbstractType

assemble, beforeAssemble, compare, disassemble, getHashCode, getSemiResolvedType, hydrate, isAnyType, isAssociationType, isCollectionType, isComponentType, isDirty, isEntityType, isEqual, isModified, isSame, isXMLElement, replace, replaceNode, resolve, semiResolve

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.VersionType

getComparator, isEqual, next

Methods inherited from interface org.hibernate.type.Type

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

Constructor Detail

DbTimestampType

public DbTimestampType()

Method Detail

getName

public String getName()

Description copied from interface: Type

Returns the abbreviated name of the type.

Specified by:: getName in interface Type
Overrides:: getName in class TimestampType

seed

public Object seed(SessionImplementor session)

Description copied from interface: VersionType

Generate an initial version.

Specified by:: seed in interface VersionType
Overrides:: seed in class TimestampType