spring學習之源碼分析--AutowireCapableBeanFactory

AutowireCapableBeanFactory實現了BeanFactory接口，負責bean生命週期的管理。咱們先看看幾個常量

類結構

字段

int AUTOWIRE_NO = 0;//表示沒有外部定義的自動裝配
int AUTOWIRE_BY_NAME = 1;//經過名稱指示自動裝配bean屬性(適用於Bean全部屬性的setter)
int AUTOWIRE_BY_TYPE = 2;//經過類型指示自動裝配bean屬性(適用於Bean全部屬性的setter)
int AUTOWIRE_CONSTRUCTOR = 3;//構造函數
int AUTOWIRE_AUTODETECT = 4;//經過bean類的內省肯定適當的自動裝配策略,已棄用
String ORIGINAL_INSTANCE_SUFFIX = ".ORIGINAL";//用於沒有代理的時候，也能強制返回實例

方法解析

bean的建立

//autowireMode就是上面的常量，dependencyCheck是否對依賴進行檢查
Object createBean(Class<?> beanClass, int autowireMode, boolean dependencyCheck) throws BeansException;
<T> T createBean(Class<T> beanClass) throws BeansException;

bean的初始化

Object initializeBean(Object existingBean, String beanName) throws BeansException;

bean的後置處理器

Object applyBeanPostProcessorsAfterInitialization(Object existingBean, String beanName)
            throws BeansException;
Object applyBeanPostProcessorsBeforeInitialization(Object existingBean, String beanName)
            throws BeansException;

bean的銷燬

void destroyBean(Object existingBean);

自動裝配bean

Object autowire(Class<?> beanClass, int autowireMode, boolean dependencyCheck) throws BeansException;
void autowireBean(Object existingBean) throws BeansException;
void autowireBeanProperties(Object existingBean, int autowireMode, boolean dependencyCheck)
            throws BeansException;

配置bean

Object configureBean(Object existingBean, String beanName) throws BeansException;

解析bean

Object resolveBeanByName(String name, DependencyDescriptor descriptor) throws BeansException;
Object resolveDependency(DependencyDescriptor descriptor, @Nullable String requestingBeanName) throws BeansException;
Object resolveDependency(DependencyDescriptor descriptor, @Nullable String requestingBeanName,
            @Nullable Set<String> autowiredBeanNames, @Nullable TypeConverter typeConverter) throws BeansException;
<T> NamedBeanHolder<T> resolveNamedBean(Class<T> requiredType) throws BeansException;