webcrawler/core/src/main/java/core/dao/BaseDao1.java

package core.dao;

import db.model.AbstractModel;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.orm.hibernate5.HibernateTemplate;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by reborn on 2017/7/31.
 */

@Repository
public class BaseDao1 extends HibernateTemplate{

    @Autowired
    public BaseDao1(SessionFactory aliyun) {
        super(aliyun);
    }


    public <T extends AbstractModel> T save(T entity) {
        try {
            super.save(entity);
        }catch (DataAccessException e){
            entity.setDataAccessException(e);
        }
        return entity;
    }

    public <T extends AbstractModel> T update(T entity){
        try {
            super.update(entity);
        }catch (DataAccessException e){
            entity.setDataAccessException(e);
        }
        return entity;

    }

    public <T extends AbstractModel> T get(T entity){
        try{
            entity=(T)(super.get(entity.getClass(),entity.primaryKey()));
        }catch (DataAccessException e){
            entity.setDataAccessException(e);
        }
        return entity;
    }

    public <T extends AbstractModel> T delete(T entity) {

        T model = get(entity);
        try {
            if ( entity.getDataAccessException()!= null) {
                super.delete(model);
            }
        } catch (DataAccessException e) {
            entity.setDataAccessException(e);
        }
        return entity;
    }

    public <T extends AbstractModel> List<T> delete(List<T> entitys) {
        List<T> result=new ArrayList<>();
        for(T entity:entitys){
            result.add(delete(entity));
        }
        return result;
    }


}