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

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org.hibernate.type
Class SpecialOneToOneType

java.lang.Object
  org.hibernate.type.AbstractType
      org.hibernate.type.EntityType
          org.hibernate.type.OneToOneType
              org.hibernate.type.SpecialOneToOneType

All Implemented Interfaces:

AssociationType, Serializable, Type

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public class SpecialOneToOneType

extends OneToOneType

A one-to-one association that maps to specific formula(s) instead of the primary key column of the owning entity.

Author:

Gavin King

See Also:

Serialized Form

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Field Summary

 

Fields inherited from class org.hibernate.type.EntityType

isEmbeddedInXML, uniqueKeyPropertyName

 

Constructor Summary

SpecialOneToOneType(String referencedEntityName, ForeignKeyDirection foreignKeyType, String uniqueKeyPropertyName, boolean lazy, boolean unwrapProxy, String entityName, String propertyName)

 

Method Summary
Object	assemble(Serializable oid, SessionImplementor session, Object owner)           Reconstruct the object from its cached "disassembled" state.
Serializable	disassemble(Object value, SessionImplementor session, Object owner)           Return a cacheable "disassembled" representation of the object.
int	getColumnSpan(Mapping mapping)           How many columns are used to persist this type.
Object	hydrate(ResultSet rs, String[] names, SessionImplementor session, Object owner)           Retrieve an instance of the mapped class, or the identifier of an entity or collection, from a JDBC resultset.
int[]	sqlTypes(Mapping mapping)           Return the SQL type codes for the columns mapped by this type.
boolean	useLHSPrimaryKey()           Is the primary key of the owning entity table to be used in the join?

 

Methods inherited from class org.hibernate.type.OneToOneType

getForeignKeyDirection, getPropertyName, isAlwaysDirtyChecked, isDirty, isDirty, isModified, isNull, isNullable, isOneToOne, nullSafeSet, nullSafeSet, toColumnNullness

 

Methods inherited from class org.hibernate.type.EntityType

compare, deepCopy, fromXMLNode, getAssociatedEntityName, getAssociatedEntityName, getAssociatedJoinable, getHashCode, getIdentifier, getIdentifierOrUniqueKeyPropertyName, getIdentifierOrUniqueKeyType, getLHSPropertyName, getName, getOnCondition, getReturnedClass, getRHSUniqueKeyPropertyName, getSemiResolvedType, isAssociationType, isEmbeddedInXML, isEntityType, isEqual, isMutable, isNotEmbedded, isReferenceToPrimaryKey, isSame, isXMLElement, loadByUniqueKey, nullSafeGet, nullSafeGet, replace, resolve, resolveIdentifier, setToXMLNode, toLoggableString, toString

 

Methods inherited from class org.hibernate.type.AbstractType

beforeAssemble, getHashCode, isAnyType, isCollectionType, isComponentType, isEqual, replace, replaceNode, semiResolve

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.hibernate.type.Type

beforeAssemble, getHashCode, isAnyType, isCollectionType, isComponentType, isEqual, replace, semiResolve

 

Constructor Detail

SpecialOneToOneType

public SpecialOneToOneType(String referencedEntityName,
                           ForeignKeyDirection foreignKeyType,
                           String uniqueKeyPropertyName,
                           boolean lazy,
                           boolean unwrapProxy,
                           String entityName,
                           String propertyName)

Method Detail

getColumnSpan

public int getColumnSpan(Mapping mapping)
                  throws MappingException

Description copied from interface: Type

How many columns are used to persist this type.

Specified by:

getColumnSpan in interface Type

Overrides:

getColumnSpan in class OneToOneType

Throws:

MappingException

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sqlTypes

public int[] sqlTypes(Mapping mapping)
               throws MappingException

Description copied from interface: Type

Return the SQL type codes for the columns mapped by this type. The codes are defined on java.sql.Types.

Specified by:

sqlTypes in interface Type

Overrides:

sqlTypes in class OneToOneType

Throws:

MappingException

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useLHSPrimaryKey

public boolean useLHSPrimaryKey()

Description copied from interface: AssociationType

Is the primary key of the owning entity table to be used in the join?

Specified by:

useLHSPrimaryKey in interface AssociationType

Overrides:

useLHSPrimaryKey in class OneToOneType

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hydrate

public Object hydrate(ResultSet rs,
                      String[] names,
                      SessionImplementor session,
                      Object owner)
               throws HibernateException,
                      SQLException

Description copied from interface: Type

Retrieve an instance of the mapped class, or the identifier of an entity or collection, from a JDBC resultset. This is useful for 2-phase property initialization - the second phase is a call to resolveIdentifier().

Specified by:

hydrate in interface Type

Overrides:

hydrate in class OneToOneType

Throws:

HibernateException

SQLException

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disassemble

public Serializable disassemble(Object value,
                                SessionImplementor session,
                                Object owner)
                         throws HibernateException

Description copied from interface: Type

Return a cacheable "disassembled" representation of the object.

Specified by:

disassemble in interface Type

Overrides:

disassemble in class OneToOneType

Throws:

HibernateException

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assemble

public Object assemble(Serializable oid,
                       SessionImplementor session,
                       Object owner)
                throws HibernateException

Description copied from interface: Type

Reconstruct the object from its cached "disassembled" state.

Specified by:

assemble in interface Type

Overrides:

assemble in class OneToOneType

Throws:

HibernateException

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