程序包 org.hibernate.event.internal

类 DefaultResolveNaturalIdEventListener

java.lang.Object

org.hibernate.event.internal.AbstractReassociateEventListener

org.hibernate.event.internal.AbstractLockUpgradeEventListener

org.hibernate.event.internal.DefaultResolveNaturalIdEventListener

所有已实现的接口:

Serializable, ResolveNaturalIdEventListener

public class DefaultResolveNaturalIdEventListener
extends AbstractLockUpgradeEventListener
implements ResolveNaturalIdEventListener

Defines the default load event listeners used by hibernate for loading entities in response to generated load events.

作者:

Eric Dalquist, Steve Ebersole

另请参阅:

序列化表格

字段概要

字段

修饰符和类型	字段	说明
static Object	INCONSISTENT_RTN_CLASS_MARKER
static Object	REMOVED_ENTITY_MARKER

构造器概要

构造器

构造器	说明
DefaultResolveNaturalIdEventListener()

方法概要

修饰符和类型	方法	说明
protected Serializable	loadFromDatasource(ResolveNaturalIdEvent event)	Performs the process of loading an entity from the configured underlying datasource.
void	onResolveNaturalId(ResolveNaturalIdEvent event)	Handle the given resolve natural id event.
protected Serializable	resolveFromCache(ResolveNaturalIdEvent event)	Attempts to resolve the entity id corresponding to the event's natural id values from the session
protected Serializable	resolveNaturalId(ResolveNaturalIdEvent event)	Coordinates the efforts to load a given entity.

从类继承的方法 org.hibernate.event.internal.AbstractLockUpgradeEventListener

upgradeLock

从类继承的方法 org.hibernate.event.internal.AbstractReassociateEventListener

reassociate

从类继承的方法 java.lang.Object

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

字段详细资料

REMOVED_ENTITY_MARKER

public static final Object REMOVED_ENTITY_MARKER

INCONSISTENT_RTN_CLASS_MARKER

public static final Object INCONSISTENT_RTN_CLASS_MARKER

构造器详细资料

DefaultResolveNaturalIdEventListener

public DefaultResolveNaturalIdEventListener()

方法详细资料

onResolveNaturalId

public void onResolveNaturalId(ResolveNaturalIdEvent event)
                        throws HibernateException

从接口复制的说明: ResolveNaturalIdEventListener

Handle the given resolve natural id event.

指定者:

onResolveNaturalId 在接口中 ResolveNaturalIdEventListener

参数:

event - The resolve natural id event to be handled.

抛出:

HibernateException - Indicates a problem resolving natural id to primary key

resolveNaturalId

protected Serializable resolveNaturalId(ResolveNaturalIdEvent event)

Coordinates the efforts to load a given entity. First, an attempt is made to load the entity from the session-level cache. If not found there, an attempt is made to locate it in second-level cache. Lastly, an attempt is made to load it directly from the datasource.

参数:

event - The load event

返回:

The loaded entity, or null.

resolveFromCache

protected Serializable resolveFromCache(ResolveNaturalIdEvent event)

Attempts to resolve the entity id corresponding to the event's natural id values from the session

参数:

event - The load event

返回:

The entity from the cache, or null.

loadFromDatasource

protected Serializable loadFromDatasource(ResolveNaturalIdEvent event)

Performs the process of loading an entity from the configured underlying datasource.

参数:

event - The load event

返回:

The object loaded from the datasource, or null if not found.