spring强行注入和引用实例解析

public class DataProviderManagerImpl implements ApplicationContextAware@Overridepublic void setApplicationContext(ApplicationContext applicationContext) throws BeansException {this.applicationContext = applicationContext;}

if (provider instanceof InitializingBean) {((InitializingBean) provider).afterPropertiesSet();}applicationContext.getAutowireCapableBeanFactory().autowireBean(provider);

InnerAggregator innerAggregator = applicationContext.getBean(H2Aggregator.class);