ObjectProvider (Spring Framework 4.3.30.RELEASE API)

所有超级接口:
ObjectFactory<T>
```
public interface ObjectProvider<T>
extends ObjectFactory<T>
```
A variant of ObjectFactory designed specifically for injection points, allowing for programmatic optionality and lenient not-unique handling.
从以下版本开始:
4.3
作者:
Juergen Hoeller

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`T`	`getIfAvailable()`	Return an instance (possibly shared or independent) of the object managed by this factory.
`T`	`getIfUnique()`	Return an instance (possibly shared or independent) of the object managed by this factory.
`T`	`getObject(Object... args)`	Return an instance (possibly shared or independent) of the object managed by this factory.

从接口继承的方法 org.springframework.beans.factory.ObjectFactory
getObject

- 方法详细资料
  - getObject
```
T getObject(Object... args)
     throws BeansException
```
    Return an instance (possibly shared or independent) of the object managed by this factory.
    Allows for specifying explicit construction arguments, along the lines of BeanFactory.getBean(String, Object...).
    参数:
    args - arguments to use when creating a corresponding instance
    返回:
    an instance of the bean
    抛出:
    BeansException - in case of creation errors
    另请参阅:
    ObjectFactory.getObject()
  - getIfAvailable
```
T getIfAvailable()
          throws BeansException
```
    Return an instance (possibly shared or independent) of the object managed by this factory.
    返回:
    an instance of the bean, or null if not available
    抛出:
    BeansException - in case of creation errors
    另请参阅:
    ObjectFactory.getObject()
  - getIfUnique
```
T getIfUnique()
       throws BeansException
```
    Return an instance (possibly shared or independent) of the object managed by this factory.
    返回:
    an instance of the bean, or null if not available or not unique (i.e. multiple candidates found with none marked as primary)
    抛出:
    BeansException - in case of creation errors
    另请参阅:
    ObjectFactory.getObject()