message.mongodb.core.MongoRepositoryBeanPostProcessor Maven / Gradle / Ivy
package message.mongodb.core;
import message.base.utils.GenericUtils;
import org.springframework.beans.BeanWrapper;
import org.springframework.beans.BeanWrapperImpl;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.data.mongodb.repository.query.MongoEntityInformation;
import org.springframework.data.mongodb.repository.support.MongoRepositoryFactory;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;
/**
* dynamic inject {@link MongoEntityInformation} into the repository which extends from {@link GenericMongoRepository}.
* by the first generic info of the repository.means the domain class which has an annontation {@link org.springframework.data.mongodb.core.mapping.Document}.
*
* @author sunhao([email protected])
* @version V1.0, 2016-1-22 15:03
*/
@Component
public class MongoRepositoryBeanPostProcessor implements BeanPostProcessor, ApplicationContextAware {
private ApplicationContext context;
@Override
public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
Repository annotation = AnnotationUtils.findAnnotation(bean.getClass(), Repository.class);
if (annotation == null) {
return bean;
}
Class supperClass = bean.getClass().getSuperclass();
if (!GenericMongoRepository.class.equals(supperClass)) {
return bean;
}
Class domainClass = GenericUtils.getGenericParameter0(bean.getClass());
MongoRepositoryFactory repositoryFactory = context.getBean(MongoRepositoryFactory.class);
MongoEntityInformation information = repositoryFactory.getEntityInformation(domainClass);
BeanWrapper beanWrapper = new BeanWrapperImpl(bean);
beanWrapper.setPropertyValue("entityInformation", information);
return bean;
}
@Override
public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
return bean;
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.context = applicationContext;
}
}