一个struts2+hibernate+spring的整合框架

package cn.edu.info.dao; import java.io.Serializable; import java.util.List; /** * Generic DAO (Data Access Object) with common methods to CRUD POJOs. * @author */ public interface GenericDao{ /** * Generic method used to get all objects of a particular type. This * is the same as lookup up all rows in a table. * @return List of populated objects */ List getAll(Object o); /** * Generic method to get an object based on class and identifier. An * ObjectRetrievalFailureException Runtime Exception is thrown if * nothing is found. * * @param id the identifier (primary key) of the object to get * @return a populated object * @see org.springframework.orm.ObjectRetrievalFailureException */ Object get(Object o,Integer id); /** * Checks for existence of an object of type T using the id arg. * @param id the id of the entity * @return - true if it exists, false if it doesn't */ boolean exists(Object o,Integer id); /** * Generic method to save an object - handles both update and insert. * @param object the object to save * @return the persisted object */ Object save(Object object); /** * Generic method to delete an object based on class and id * @param id the identifier (primary key) of the object to remove */ void remove(Object o,Integer id); /** * Generic method to get an object based on class and a property. An * ObjectRetrievalFailureException Runtime Exception is thrown if * nothing is found. * * @param propertyName the identifier (primary key) of the object to get * @return a populated object * @see org.springframework.orm.ObjectRetrievalFailureException */ List getAllBypropertyName(Object o,String propertyName,Object value); }