dataaccess.java

《Developing Applications with Java and UML》一书的源代码。

package com.jacksonreed;

/**
 * This interface is implemented by all data access objects (DAO)
 * in support of the basic CRUD services of the system. In Remulak,
 * the primary key will always be a single integer field (surrogate keys)
 * and findByName is a single string.
 *
 * @author Paul Reed, Jackson-Reed, Inc. <[e-mail]>
 * @version 1.0
 */
public interface DataAccess {
    public void insertObject(Object model) throws
                     DAOAppException, DAODBUpdateException,
                     DAOSysException;
    public void updateObject(Object model) throws
                     DAOAppException, DAODBUpdateException,
                     DAOSysException;
    public void deleteObject(Integer id) throws DAOSysException,
                     DAODBUpdateException;
    public Object findByPrimaryKey(Integer id) throws DAOSysException,
                     DAOFinderException;
    public Object findByName(String name) throws
                     DAOSysException, DAOFinderException;
}