import com.iloosen.imall.commons.util.BusinessException; import org.springframework.transaction.annotation.Transactional; import java.io.Serializable; import java.util.List; @Transactional(readOnly = true) public abstract class BaseEntityManager <E,PK extends Serializable>{ // private Log log = LogFactory.getLog(getClass()); protected abstract EntityDao<E,PK> getEntityDao(); @Transactional(readOnly=true) public E getById(PK id) throws BusinessException { return getEntityDao().getById(id); } @Transactional(readOnly=true) public List<E> findAll() throws BusinessException { return getEntityDao().findAll(); } /** 根据id检查是否插入或是更新数据 */ @Transactional public void saveOrUpdate(E entity) throws BusinessException { getEntityDao().saveOrUpdate(entity); } /** 插入数据 */ @Transactional public void save(E entity) throws BusinessException { getEntityDao().save(entity); } @Transactional public void removeById(PK id) throws BusinessException { getEntityDao().deleteById(id); } @Transactional public void update(E entity) throws BusinessException { getEntityDao().update(entity); } @Transactional(readOnly=true) public boolean isUnique(E entity, String[] uniquePropertyNames) { return getEntityDao().isUnique(entity, uniquePropertyNames); } @Transactional public void flush() { getEntityDao().flush(); } @Transactional(readOnly=true) public void refresh(BaseEntity entity) { getEntityDao().refresh(entity); } }
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转载自iweisi.iteye.com/blog/1032670
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