/** 基于spring动态加载bean配置 */
public class DynamicBeanReaderImpl implements DynamicBeanReader, ApplicationContextAware {
private static final Logger logger =
LoggerFactory.getCustomerLog(DynamicBeanReaderImpl.class, "spring_dynamicBean");
private ConfigurableApplicationContext applicationContext = null;
private XmlBeanDefinitionReader beanDefinitionReader;
/*初始化方法*/
public void init() {
beanDefinitionReader =
new XmlBeanDefinitionReader((BeanDefinitionRegistry) applicationContext.getBeanFactory());
beanDefinitionReader.setEntityResolver(new ResourceEntityResolver(applicationContext));
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = (ConfigurableApplicationContext) applicationContext;
}
@Override
public void loadBean(DynamicBean dynamicBean) {
long startTime = System.currentTimeMillis();
String beanName = dynamicBean.getBeanName();
if (applicationContext.containsBean(beanName)) {
logger.warn(beanName, "bean【{}】已经加载！");
// TODO 已经存在旧的bean,须不须要动态更新
return;
}
beanDefinitionReader.loadBeanDefinitions(new DynamicResource(dynamicBean));
logger.info(
beanName, String.valueOf(System.currentTimeMillis() - startTime), "初始化bean【{}】耗时{}毫秒.");
}
}
