cn.wwmxd.parser.DefaultContentParse Maven / Gradle / Ivy
package cn.wwmxd.parser;
import cn.wwmxd.EnableModifyLog;
import cn.wwmxd.service.IService;
import cn.wwmxd.util.ReflectionUtils;
import cn.wwmxd.util.SpringUtil;
import org.aspectj.lang.JoinPoint;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;
import javax.annotation.PostConstruct;
import java.util.concurrent.ConcurrentHashMap;
/**
* 基础解析类
* 单表编辑时可以直接使用id来查询
* 如果为多表复杂逻辑，请自行编写具体实现类
* @author lw
*/
@Component
public class DefaultContentParse implements ContentParser {
//默认的缓存
private ConcurrentHashMap cache;
@PostConstruct
public void init(){
this.cache=new ConcurrentHashMap<>();
}
@Override
public Object getResult(JoinPoint joinPoint, EnableModifyLog enableModifyLog) {
Object info = joinPoint.getArgs()[0];
Object id = ReflectionUtils.getFieldValue(info, "id");
Assert.notNull(id,"未解析到id值，请检查前台传递参数是否正确");
Class idType=enableModifyLog.idType();
if(idType.isInstance(id)){
//如果开启缓存,则不再进行查库
String key=enableModifyLog.handleName()+id;
if(cache.containsKey(key)&&enableModifyLog.defaultCache()){
return cache.get(key);
}
Class cls=enableModifyLog.serviceclass();
IService service = (IService) SpringUtil.getBean(cls);
Object result=service.selectById(idType.cast(id));
if(enableModifyLog.defaultCache()){
cache.put(key,result);
}
return result;
}else {
throw new RuntimeException("请核实id type");
}
}
/**
* 更新缓存里的数据
* @param joinPoint 切入点
* @param enableModifyLog 注解
* @param result 新的结果
*/
public void updateCache(JoinPoint joinPoint, EnableModifyLog enableModifyLog,Object result){
Object info = joinPoint.getArgs()[0];
Object id = ReflectionUtils.getFieldValue(info, "id");
Assert.notNull(id,"未解析到id值，请检查前台传递参数是否正确");
Class idType=enableModifyLog.idType();
if(idType.isInstance(id)) {
//如果开启缓存,则不再进行查库
String key = enableModifyLog.handleName() + id;
cache.put(key,result);
}
}
}