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

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org.hibernate.tuple
Class PojoInstantiator

java.lang.Object
  org.hibernate.tuple.PojoInstantiator

All Implemented Interfaces:

Instantiator, Serializable

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public class PojoInstantiator

extends Object

implements Instantiator, Serializable

Defines a POJO-based instantiator for use from the tuplizers.

See Also:

Serialized Form

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Constructor Summary

PojoInstantiator(Component component, ReflectionOptimizer.InstantiationOptimizer optimizer)

PojoInstantiator(PersistentClass persistentClass, ReflectionOptimizer.InstantiationOptimizer optimizer)

 

Method Summary
Object	instantiate()           Perform the requested instantiation.
Object	instantiate(Serializable id)           Perform the requested entity instantiation.
boolean	isInstance(Object object)           Performs check to see if the given object is an instance of the entity or component which this Instantiator instantiates.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

PojoInstantiator

public PojoInstantiator(Component component,
                        ReflectionOptimizer.InstantiationOptimizer optimizer)

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PojoInstantiator

public PojoInstantiator(PersistentClass persistentClass,
                        ReflectionOptimizer.InstantiationOptimizer optimizer)

Method Detail

instantiate

public Object instantiate()

Description copied from interface: Instantiator

Perform the requested instantiation.

Specified by:

instantiate in interface Instantiator

Returns:

The instantiated data structure.

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instantiate

public Object instantiate(Serializable id)

Description copied from interface: Instantiator

Perform the requested entity instantiation.

This form is never called for component instantiation, only entity instantiation.

Specified by:

instantiate in interface Instantiator

Parameters:

id - The id of the entity to be instantiated.

Returns:

An appropriately instantiated entity.

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isInstance

public boolean isInstance(Object object)

Description copied from interface: Instantiator

Performs check to see if the given object is an instance of the entity or component which this Instantiator instantiates.

Specified by:

isInstance in interface Instantiator

Parameters:

object - The object to be checked.

Returns:

True is the object does respresent an instance of the underlying entity/component.

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