makinomura

耳鸣五年了，偶尔会加重一阵。吃过银杏叶胶囊、金纳多、甲钴胺、腺苷钴胺、胞磷胆碱钠、糖皮质激素，但是都没什么用。要注意休息，休息不好耳鸣会加重，耳鸣加重又会影响休息。所以还是要自己调整好心态。

public class DomainScanner extends ClassPathBeanDefinitionScanner {
public DomainScanner(BeanDefinitionRegistry registry) {
super(registry, false);
}

@Override
protected boolean isCandidateComponent(MetadataReader metadataReader) {
return true;
}

@Override
protected Set<BeanDefinitionHolder> doScan(String... basePackages) {
Set<BeanDefinitionHolder> beanDefinitionHolders = super.doScan(
basePackages);
for (BeanDefinitionHolder beanDefinitionHolder : beanDefinitionHolders) {
ScannedGenericBeanDefinition beanDefinition = (ScannedGenericBeanDefinition) beanDefinitionHolder
.getBeanDefinition();
String beanClassName = beanDefinition.getBeanClassName();
Class<?> entityClazz = null;
try {
entityClazz = Class.forName(beanClassName);
} catch (ClassNotFoundException e) {
throw new IllegalArgumentException(beanClassName);
}
DynamicMapperCreator dynamicMapperCreator = new DynamicMapperCreator();
Class<?> mapperClazz = dynamicMapperCreator
.getOrCreateMapperClazz(entityClazz);
beanDefinition.setBeanClass(MapperFactoryBean.class);
ConstructorArgumentValues constructorArgumentValues = new ConstructorArgumentValues();
constructorArgumentValues.addIndexedArgumentValue(0, mapperClazz);
beanDefinition
.setConstructorArgumentValues(constructorArgumentValues);
beanDefinition.getPropertyValues().add("sqlSessionFactory",
new RuntimeBeanReference("sqlSessionFactory"));
}

return beanDefinitionHolders;
}
}

public class MapperRegister implements BeanDefinitionRegistryPostProcessor {
@Override
public void postProcessBeanDefinitionRegistry(
BeanDefinitionRegistry registry) throws BeansException {
new DomainScanner(registry).scan("umoo.wang.domain");
}

@Override
public void postProcessBeanFactory(
ConfigurableListableBeanFactory beanFactory) throws BeansException {
}
}

@lawler #24 我简单写了个 demo

@lawler BeanDefinitionRegistryPostProcessor#postProcessBeanDefinitionRegistry 这个里面注册 beanDefinition 即可，注意要使用 MapperFactoryBean