courseserviceimp.java

使用WEBWORK,SPRING,HIBERNATE编写的简单的添加

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.Course;
import com.tech.service.CourseService;

public class CourseServiceImp implements CourseService {

	private DaoSupport<Course,Long> courseDao;
	
	public void setCourseDao(DaoSupport<Course, Long> courseDao) {
		this.courseDao = courseDao;
	}

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

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

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

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

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

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

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

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

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

}