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AbstractLazyInitializer (Hibernate API Documentation) - Hibernate 3.2.3 正式版 API 英文文档

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org.hibernate.proxy
Class AbstractLazyInitializer

java.lang.Object
  org.hibernate.proxy.AbstractLazyInitializer

All Implemented Interfaces:

LazyInitializer

Direct Known Subclasses:

BasicLazyInitializer, Dom4jLazyInitializer, MapLazyInitializer

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public abstract class AbstractLazyInitializer

extends Object

implements LazyInitializer

Convenience base class for lazy initialization handlers. Centralizes the basic plumbing of doing lazy initialization freeing subclasses to acts as essentially adapters to their intended entity mode and/or proxy generation strategy.

Author:

Gavin King

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Constructor Summary
protected	AbstractLazyInitializer(String entityName, Serializable id, SessionImplementor session)

 

Method Summary
String	getEntityName()           Get the entity name
Serializable	getIdentifier()           Get the identifier held by the proxy
Object	getImplementation()           Return the underlying persistent object, initializing if necessary
Object	getImplementation(SessionImplementor s)           Return the underlying persistent object in the given Session, or null, do not initialize the proxy
SessionImplementor	getSession()           Get the session, if this proxy is attached
protected  Object	getTarget()
void	initialize()           Initialize the proxy, fetching the target entity if necessary
protected  boolean	isConnectedToSession()
boolean	isUninitialized()           Is the proxy uninitialzed?
boolean	isUnwrap()
void	setIdentifier(Serializable id)           Set the identifier property of the proxy
void	setImplementation(Object target)           Initialize the proxy manually
void	setSession(SessionImplementor s)           Attach the proxy to a session
void	setUnwrap(boolean unwrap)

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.hibernate.proxy.LazyInitializer

getPersistentClass

 

Constructor Detail

AbstractLazyInitializer

protected AbstractLazyInitializer(String entityName,
                                  Serializable id,
                                  SessionImplementor session)

Method Detail

getIdentifier

public final Serializable getIdentifier()

Description copied from interface: LazyInitializer

Get the identifier held by the proxy

Specified by:

getIdentifier in interface LazyInitializer

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setIdentifier

public final void setIdentifier(Serializable id)

Description copied from interface: LazyInitializer

Set the identifier property of the proxy

Specified by:

setIdentifier in interface LazyInitializer

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getEntityName

public final String getEntityName()

Description copied from interface: LazyInitializer

Get the entity name

Specified by:

getEntityName in interface LazyInitializer

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isUninitialized

public final boolean isUninitialized()

Description copied from interface: LazyInitializer

Is the proxy uninitialzed?

Specified by:

isUninitialized in interface LazyInitializer

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getSession

public final SessionImplementor getSession()

Description copied from interface: LazyInitializer

Get the session, if this proxy is attached

Specified by:

getSession in interface LazyInitializer

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initialize

public final void initialize()
                      throws HibernateException

Description copied from interface: LazyInitializer

Initialize the proxy, fetching the target entity if necessary

Specified by:

initialize in interface LazyInitializer

Throws:

HibernateException

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setSession

public final void setSession(SessionImplementor s)
                      throws HibernateException

Description copied from interface: LazyInitializer

Attach the proxy to a session

Specified by:

setSession in interface LazyInitializer

Throws:

HibernateException

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isConnectedToSession

protected final boolean isConnectedToSession()

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setImplementation

public final void setImplementation(Object target)

Description copied from interface: LazyInitializer

Initialize the proxy manually

Specified by:

setImplementation in interface LazyInitializer

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getImplementation

public final Object getImplementation()

Return the underlying persistent object, initializing if necessary

Specified by:

getImplementation in interface LazyInitializer

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getImplementation

public final Object getImplementation(SessionImplementor s)
                               throws HibernateException

Return the underlying persistent object in the given Session, or null, do not initialize the proxy

Specified by:

getImplementation in interface LazyInitializer

Throws:

HibernateException

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getTarget

protected final Object getTarget()

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isUnwrap

public boolean isUnwrap()

Specified by:

isUnwrap in interface LazyInitializer

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setUnwrap

public void setUnwrap(boolean unwrap)

Specified by:

setUnwrap in interface LazyInitializer

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