Spring IoC container

内容概述: BeanFactory,

1. BeanFactory

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public interface BeanFactory {
	//如果hello是一个FactoryBean产生的对象, 使用context.getBean("&hello")获取FactoryBean本身
	String FACTORY_BEAN_PREFIX = "&";
		
	Object getBean(String name) throws BeansException;

	<T> T getBean(String name, Class<T> requiredType) throws BeansException;

	<T> T getBean(Class<T> requiredType) throws BeansException;

	Object getBean(String name, Object... args) throws BeansException;

	<T> T getBean(Class<T> requiredType, Object... args) throws BeansException;

	boolean containsBean(String name);

	boolean isSingleton(String name) throws NoSuchBeanDefinitionException;

	boolean isPrototype(String name) throws NoSuchBeanDefinitionException;

	boolean isTypeMatch(String name, ResolvableType typeToMatch) throws NoSuchBeanDefinitionException;

	boolean isTypeMatch(String name, Class<?> typeToMatch) throws NoSuchBeanDefinitionException;

	Class<?> getType(String name) throws NoSuchBeanDefinitionException;

	String[] getAliases(String name);
}

2. BeanDefinition

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```


### 3. XmlBeanDefinitionReader, BeanDefinitionParserDelegate
```java

4. DefaultListableBeanFactory

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public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFactory
		implements ConfigurableListableBeanFactory, BeanDefinitionRegistry, Serializable 
{	
	/** Map of bean definition objects, keyed by bean name */
	private final Map<String, BeanDefinition> beanDefinitionMap = new ConcurrentHashMap<String, BeanDefinition>(256);

	...
}