querymanager.java

struts_spring_hibernate开发实例

/*
 * �b 2004/5/14 �إ�
 *
 * �Y�n�ܧ�o�Ӳ��ͪ��ɮת��d���A�в���
 * �� > �ߦn�]�w > Java > �{���X���� > �{���X�M���
 */
package jaoso.framework.dao;

import jaoso.framework.exception.DAOException;

import java.io.Serializable;

/**
 * @author chen_jian
 */
public interface QueryManager {
	/**
	 * find object from database
	 * 
	 * @param myquery
	 *            query
	 * 
	 * @return object array
	 * 
	 * @throws DAOException
	 *             any error
	 */
	Object[] find(MyQuery myquery) throws DAOException;

	/**
	 * DOCUMENT ME!
	 * 
	 * @param myquery
	 *            DOCUMENT ME!
	 * 
	 * @return DOCUMENT ME!
	 * 
	 * @throws DAOException
	 *             DOCUMENT ME!
	 */
	Object[] find(String myquery) throws DAOException;

	/**
	 * find object from database
	 * 
	 * @param obj
	 *            object
	 * @param id
	 *            primary key
	 * 
	 * @return object
	 * 
	 * @throws DAOException
	 *             any error
	 */
	Object findByPK(Object obj, Serializable id) throws DAOException;
}