com.nh.micro.dao.mapper.MicroMapperUtil Maven / Gradle / Ivy
package com.nh.micro.dao.mapper;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import com.nh.micro.dao.mapper.MicroMapperTemplate;
public class MicroMapperUtil {
public static Class getEntityClass(Class commonClass,Class mapperClass){
Type[] types = mapperClass.getGenericInterfaces();
for (Type type : types) {
if (type instanceof ParameterizedType) {
ParameterizedType t = (ParameterizedType) type;
if (t.getRawType().equals(commonClass) || commonClass.isAssignableFrom((Class) t.getRawType())) {
Class returnType = (Class) t.getActualTypeArguments()[0];
return returnType;
}
}
}
return null;
}
public static Object executeMethod(Class commonClass,Class mapperInterface,Method method, MicroMapperTemplate template, Object[] args)
throws Exception {
String methodName=method.getName();
Method[] methods = MicroMapperTemplate.class.getMethods();
for (Method rowMethod : methods) {
if (rowMethod.getName().equals(methodName)) {
method = rowMethod;
break;
}
}
if (method == null) {
throw new RuntimeException("no such method =" + methodName);
}
Object retObj = method.invoke(template, args);
return retObj;
}
public static Class getInputClass(Object example,Class inClass){
if(inClass!=null){
return inClass;
}
return example.getClass();
}
public static Class getOutputClass(Object example,Class inClass,Class outClass){
if(outClass!=null){
return outClass;
}
if(inClass!=null){
return inClass;
}
return example.getClass();
}
}