基于hibernate的数据持久化处理简单实现类

package com.forveross.plane.service.impl;

import java.util.List;

import org.hibernate.Query;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.forveross.plane.service.TaskInfoService;
import com.forveross.plane.vo.TaskInfo;
import com.kit.common.dao.abstr.AbstractDao;

/**
 * 数据持久化处理类实现
 * 
 * @author ahomeeye
 * 
 */
@Transactional
@Scope("singleton")
@Service("taskInfoServiceImpl")
public class TaskInfoServiceImpl extends AbstractDao implements TaskInfoService {

	@Override
	public TaskInfo findTaskInfo(long id) throws Exception {
		return (TaskInfo) getHibernateDao().getHibernateTemplate().get(
				TaskInfo.class, id);
	}

	@Override
	public void deleteTaskInfo(long id) throws Exception {
		getHibernateDao().getHibernateTemplate().delete(findTaskInfo(id));
		getOscacheFactory().removeObjectByGroup(TaskInfo.class.getName());
	}

	@Override
	public void deleteTaskInfo(TaskInfo ti) throws Exception {
		getHibernateDao().getHibernateTemplate().delete(ti);
		getOscacheFactory().removeObjectByGroup(TaskInfo.class.getName());
	}

	@Override
	public void updateTaskInfo(TaskInfo ti) throws Exception {
		getHibernateDao().getHibernateTemplate().update(ti);
		getOscacheFactory().removeObjectByGroup(TaskInfo.class.getName());
	}

	@Override
	public void saveOrUpdateTaskInfo(TaskInfo ti) throws Exception {
		getHibernateDao().getHibernateTemplate().saveOrUpdate(ti);
		getOscacheFactory().removeObjectByGroup(TaskInfo.class.getName());
	}

	@Override
	public void saveTaskInfo(TaskInfo ti) throws Exception {
		getHibernateDao().getHibernateTemplate().save(ti);
		getOscacheFactory().removeObjectByGroup(TaskInfo.class.getName());
	}

	public int countTaskInfo() {
		String hql = "select count(*) from TaskInfo";
		Object o = getHibernateDao().getSessionFactory().getCurrentSession()
				.createQuery(hql).uniqueResult();
		return Integer.parseInt(o.toString());
	}

	@Override
	@SuppressWarnings("unchecked")
	public List<TaskInfo> findTaskInfoList(int pageNum, int pageSize) {
		pageNum = pageNum > 1 ? pageNum - 1 : 0;
		pageSize = pageSize > 0 ? pageSize : 10;

		String hql = "from TaskInfo t order by t.grabChannel asc";
		Query query = getHibernateDao().getSessionFactory().getCurrentSession()
				.createQuery(hql);
		query.setFirstResult(pageNum * pageSize);
		query.setMaxResults(pageSize);

		return (List<TaskInfo>) query.list();
	}

}