studentcourseserviceimp.java

来自「使用WEBWORK,SPRING,HIBERNATE编写的简单的添加」· Java 代码 · 共 121 行

package com.tech.service.imp;

import java.util.List;

import com.common.dao.DaoSupport;
import com.common.exception.BusinessException;
import com.common.util.BeanUtils;
import com.tech.model.Studentcourse;
import com.tech.service.StudentCourseService;

public class StudentCourseServiceImp implements StudentCourseService {
	
	private DaoSupport<Studentcourse,Long> studentCourseDao;
	public void setStudentCourseDao(DaoSupport<Studentcourse, Long> studentCourseDao) {
		this.studentCourseDao = studentCourseDao;
	}

	@Override
	public Studentcourse getEntity(Long id) throws BusinessException {
		try{
			return studentCourseDao.getEntity(id);
		} catch (Exception e){
			e.printStackTrace();
		    throw new BusinessException("StudentCourseServiceImp 不能获取主键为：" + id
		          + "的数据" + e.toString());
		}
	}

	@Override
	public boolean isExists(Studentcourse t, List<String> names)
			throws BusinessException {
		try{
			return studentCourseDao.isExists(t,names);
		} catch (Exception e){
			e.printStackTrace();
		    throw new BusinessException("查找异常:" + e.getMessage());
		}
	}

	@Override
	public Studentcourse loadEntity(Long id) throws BusinessException {
		try{
			return studentCourseDao.loadEntity(id);
		} catch (Exception e){
			 e.printStackTrace();
		      throw new BusinessException("StudentCourseServiceImp 不能获取主键为：" + id
		          + "的数据" + e.toString());
		}
	}

	@Override
	public void removeEntity(Studentcourse entity) throws BusinessException {
		try{
			studentCourseDao.removeEntity(entity);
		} catch (Exception e){
			e.printStackTrace();
		      throw new BusinessException("删除异常:"
		          + e.getMessage());
		}
	}

	@Override
	public void removeEntity(Studentcourse[] array) throws BusinessException {
		try{
			studentCourseDao.removeEntity(array);
		} catch (Exception e){
			e.printStackTrace();
		    throw new BusinessException("删除异常:"
		          + e.getMessage());
		}
	}

	@Override
	public void saveEntity(Studentcourse entity) throws BusinessException {
		try{
			studentCourseDao.saveEntity(entity);
		} catch (Exception e){
			e.printStackTrace();
		    throw new BusinessException("添加异常:"
		          + e.getMessage());
		}
	}

	@Override
	public void saveEntity(Studentcourse[] array) throws BusinessException {
		try{
			studentCourseDao.saveEntity(array);
		} catch (Exception e){
			e.printStackTrace();
		    throw new BusinessException("添加异常:"
		          + e.getMessage());
		}
	}

	@Override
	public void updateEntity(Studentcourse entity) throws BusinessException {
		try{
			Studentcourse entityLoad = studentCourseDao.getEntity(entity.getId());
		      // 拷贝不需要更新的字段内容
		      BeanUtils.copyProperties(entityLoad,entity);
		      studentCourseDao.updateEntity(entityLoad);
		} catch (Exception e){
			e.printStackTrace();
		    throw new BusinessException("更新异常:"
		          + e.getMessage());
		}
	}

	@Override
	public void updateEntity(Studentcourse[] array) throws BusinessException {
		try{
			studentCourseDao.updateEntity(array);
		} catch (Exception e){
			e.printStackTrace();
		    throw new BusinessException("更新异常:"
		          + e.getMessage());
		}
	}

}