coursemanager.java

Extjs2增删改查

package com.tcg.demo;

import static com.tcg.core.AppService.getService;
import com.tcg.core.PaginationSupport;
import com.tcg.core.Utils.Condition;
import com.tcg.core.Utils.DwrBackParams;
import com.tcg.core.Utils.QueryTranslate;
import com.tcg.demo.bean.Course;

import java.util.List;

/**
 * Created by IntelliJ IDEA.
 * User: Administrator
 * Date: 2008-10-29
 * Time: 21:55:11
 * To change this template use File | Settings | File Templates.
 */
public class CourseManager {
    public CourseManager()
    {
    }
    public void  addCourse(Course course)
    {
        getService().save(course);
    }
    public void  deleteCourse(Course course)
    {
        getService().delete(Course.class,course.getId());
    }
    public void updateCourse(List<Course> list)
    {
        for (Course course : list) {
            getService().save(course);
        }
    }
    public PaginationSupport pageListCourse(DwrBackParams params)
    {
       String hql="from Course";
        int pageSize=params.getLimit();
        int currentPage=params.getStart()/pageSize+1;
        List<Condition> conditions = params.getConditions();
        if(null!=conditions&&conditions.size()>0)
        {
            QueryTranslate queryTranslate = new QueryTranslate(hql, conditions);
            hql = queryTranslate.toString();
        }
        PaginationSupport paginationSupport = getService().findPage(hql,currentPage ,pageSize );
        return paginationSupport;
    }
}