排序算法——希尔排序

protected Object doCreateBean(String beanName, RootBeanDefinition mbd, @Nullable Object[] args)throws BeanCreationException {
	......
	populateBean(beanName, mbd, instanceWrapper);
	......	
}

属性填充走AutowiredAnnotationBeanPostProcessor后置处理器

protected void populateBean(String beanName, RootBeanDefinition mbd, @Nullable BeanWrapper bw) {
	for (BeanPostProcessor bp : getBeanPostProcessors()) {
		if (bp instanceof InstantiationAwareBeanPostProcessor) {
			InstantiationAwareBeanPostProcessor ibp = (InstantiationAwareBeanPostProcessor) bp;//bp=AutowiredAnnotationBeanPostProcessor
			PropertyValues pvsToUse = ibp.postProcessProperties(pvs, bw.getWrappedInstance(), beanName);
			if (pvsToUse == null) {
				if (filteredPds == null) {
					filteredPds = filterPropertyDescriptorsForDependencyCheck(bw, mbd.allowCaching);
				}
				pvsToUse = ibp.postProcessPropertyValues(pvs, filteredPds, bw.getWrappedInstance(), beanName);
				if (pvsToUse == null) {
					return;
				}
			}
			pvs = pvsToUse;
		}
	}
}

//2、进入AutowiredAnnotationBeanPostProcessor的后置处理
@Override
public PropertyValues postProcessProperties(PropertyValues pvs, Object bean, String beanName) {
	metadata.inject(bean, beanName, pvs);
}


public void inject(Object target, @Nullable String beanName, @Nullable PropertyValues pvs) throws Throwable {
	element.inject(target, beanName, pvs);
}

@Override
protected void inject(Object bean, @Nullable String beanName, @Nullable PropertyValues pvs) throws Throwable {
	value = beanFactory.resolveDependency(desc, beanName, autowiredBeanNames, typeConverter);
}


public Object resolveDependency(DependencyDescriptor descriptor, @Nullable String requestingBeanName, @Nullable Set<String> autowiredBeanNames, @Nullable TypeConverter typeConverter) throws BeansException {
	Object result = getAutowireCandidateResolver().getLazyResolutionProxyIfNecessary(descriptor, requestingBeanName);
	if (result == null) {
		result = doResolveDependency(descriptor, requestingBeanName, autowiredBeanNames, typeConverter);
	}
	return result;
}


@Nullable
public Object doResolveDependency(DependencyDescriptor descriptor, @Nullable String beanName,@Nullable Set<String> autowiredBeanNames, @Nullable TypeConverter typeConverter) throws BeansException {
	//
	if (instanceCandidate instanceof Class) {
		instanceCandidate = descriptor.resolveCandidate(autowiredBeanName, type, this);
	}
}

public Object resolveCandidate(String beanName, Class<?> requiredType, BeanFactory beanFactory) throws BeansException {
	return beanFactory.getBean(beanName);//获取依赖的Bean
}