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SimpleInstantiationStrategy (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.beans.factory.support
Class SimpleInstantiationStrategy

java.lang.Object
  org.springframework.beans.factory.support.SimpleInstantiationStrategy

All Implemented Interfaces:

InstantiationStrategy

Direct Known Subclasses:

CglibSubclassingInstantiationStrategy

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public class SimpleInstantiationStrategy
extends Object
implements InstantiationStrategy

Simple object instantiation strategy for use in a BeanFactory.

Does not support Method Injection, although it provides hooks for subclasses to override to add Method Injection support, for example by overriding methods.

Since:

1.1

Author:

Rod Johnson, Juergen Hoeller

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Constructor Summary
SimpleInstantiationStrategy()

 

Method Summary
Object	instantiate(RootBeanDefinition beanDefinition, String beanName, BeanFactory owner)           Return an instance of the bean with the given name in this factory.
Object	instantiate(RootBeanDefinition beanDefinition, String beanName, BeanFactory owner, Constructor ctor, Object[] args)           Return an instance of the bean with the given name in this factory, creating it via the given constructor.
Object	instantiate(RootBeanDefinition beanDefinition, String beanName, BeanFactory owner, Object factoryBean, Method factoryMethod, Object[] args)           Return an instance of the bean with the given name in this factory, creating it via the given factory method.
protected  Object	instantiateWithMethodInjection(RootBeanDefinition beanDefinition, String beanName, BeanFactory owner)           Subclasses can override this method, which is implemented to throw UnsupportedOperationException, if they can instantiate an object with the Method Injection specified in the given RootBeanDefinition.
protected  Object	instantiateWithMethodInjection(RootBeanDefinition beanDefinition, String beanName, BeanFactory owner, Constructor ctor, Object[] args)           Subclasses can override this method, which is implemented to throw UnsupportedOperationException, if they can instantiate an object with the Method Injection specified in the given RootBeanDefinition.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

SimpleInstantiationStrategy

public SimpleInstantiationStrategy()

Method Detail

instantiate

public Object instantiate(RootBeanDefinition beanDefinition,
                          String beanName,
                          BeanFactory owner)

Description copied from interface: InstantiationStrategy

Return an instance of the bean with the given name in this factory.

Specified by:

instantiate in interface InstantiationStrategy

Parameters:

beanDefinition - the bean definition

beanName - name of the bean when it's created in this context. The name can be null if we're autowiring a bean that doesn't belong to the factory.

owner - owning BeanFactory

Returns:

a bean instance for this bean definition

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instantiateWithMethodInjection

protected Object instantiateWithMethodInjection(RootBeanDefinition beanDefinition,
                                                String beanName,
                                                BeanFactory owner)

Subclasses can override this method, which is implemented to throw UnsupportedOperationException, if they can instantiate an object with the Method Injection specified in the given RootBeanDefinition. Instantiation should use a no-arg constructor.

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instantiate

public Object instantiate(RootBeanDefinition beanDefinition,
                          String beanName,
                          BeanFactory owner,
                          Constructor ctor,
                          Object[] args)

Description copied from interface: InstantiationStrategy

Return an instance of the bean with the given name in this factory, creating it via the given constructor.

Specified by:

instantiate in interface InstantiationStrategy

Parameters:

beanDefinition - the bean definition

beanName - name of the bean when it's created in this context. The name can be null if we're autowiring a bean that doesn't belong to the factory.

owner - owning BeanFactory

ctor - the constructor to use

args - the constructor arguments to apply

Returns:

a bean instance for this bean definition

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instantiateWithMethodInjection

protected Object instantiateWithMethodInjection(RootBeanDefinition beanDefinition,
                                                String beanName,
                                                BeanFactory owner,
                                                Constructor ctor,
                                                Object[] args)

Subclasses can override this method, which is implemented to throw UnsupportedOperationException, if they can instantiate an object with the Method Injection specified in the given RootBeanDefinition. Instantiation should use the given constructor and parameters.

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instantiate

public Object instantiate(RootBeanDefinition beanDefinition,
                          String beanName,
                          BeanFactory owner,
                          Object factoryBean,
                          Method factoryMethod,
                          Object[] args)

Description copied from interface: InstantiationStrategy

Return an instance of the bean with the given name in this factory, creating it via the given factory method.

Specified by:

instantiate in interface InstantiationStrategy

Parameters:

beanDefinition - bean definition

beanName - name of the bean when it's created in this context. The name can be null if we're autowiring a bean that doesn't belong to the factory.

owner - owning BeanFactory

factoryBean - the factory bean instance to call the factory method on, or null in case of a static factory method

factoryMethod - the factory method to use

args - the factory method arguments to apply

Returns:

a bean instance for this bean definition

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