userssessionbean.java

JAVA 经典案例 源代码 Part2.

/*
 * 
 * 开发时间:2004-08-20 at 05:40:07
 * 
 * 作者：曹广鑫
 * 
 * 网站:www.helpsoft.org  电子邮件:[e-mail]
 */

package org.helpsoft.blog.j2ee.session;

import org.helpsoft.blog.factory.*;
import org.helpsoft.blog.dao.*;
import org.helpsoft.blog.dto.*;
import org.helpsoft.blog.exceptions.*;
import java.rmi.RemoteException;
import java.math.*;
import java.util.Date;
import javax.ejb.*;

public class UsersSessionBean implements SessionBean
{
	private UsersDao daoImpl = createDao();

	/** 
	 * Inserts a new row in the users table.
	 */
	public UsersPk insert(Users dto) throws UsersDaoException
	{
		try {
			return daoImpl.insert(dto);
		}
		catch (UsersDaoException daoException) {
			throw daoException;
		}
		catch (Exception ex) {
			ex.printStackTrace();
			throw new UsersDaoException( ex.getMessage() );
		}
		
	}

	/** 
	 * Updates a single row in the users table.
	 */
	public void update(UsersPk pk, Users dto) throws UsersDaoException
	{
		try {
			daoImpl.update(pk, dto);
		}
		catch (UsersDaoException daoException) {
			throw daoException;
		}
		catch (Exception ex) {
			ex.printStackTrace();
			throw new UsersDaoException( ex.getMessage() );
		}
		
	}

	/** 
	 * Deletes a single row in the users table.
	 */
	public void delete(UsersPk pk) throws UsersDaoException
	{
		try {
			daoImpl.delete(pk);
		}
		catch (UsersDaoException daoException) {
			throw daoException;
		}
		catch (Exception ex) {
			ex.printStackTrace();
			throw new UsersDaoException( ex.getMessage() );
		}
		
	}

	/** 
	 * Returns the rows from the users table that matches the specified primary-key value.
	 */
	public Users findByPrimaryKey(UsersPk pk) throws UsersDaoException
	{
		return findByPrimaryKey( pk.getUserid() );
	}

	/**
	 * Method 'findAll'
	 * 
	 * @throws UsersDaoException
	 * @return Users[]
	 */
	public Users[] findAll() throws UsersDaoException
	{
		try {
			return daoImpl.findAll();
		}
		catch (UsersDaoException daoException) {
			throw daoException;
		}
		catch (Exception ex) {
			ex.printStackTrace();
			throw new UsersDaoException( ex.getMessage() );
		}
		
	}

	/**
	 * Method 'findWhereUseridEquals'
	 * 
	 * @param userid
	 * @throws UsersDaoException
	 * @return Users[]
	 */
	public Users[] findWhereUseridEquals(String userid) throws UsersDaoException
	{
		try {
			return daoImpl.findWhereUseridEquals(userid);
		}
		catch (UsersDaoException daoException) {
			throw daoException;
		}
		catch (Exception ex) {
			ex.printStackTrace();
			throw new UsersDaoException( ex.getMessage() );
		}
		
	}

	/**
	 * Method 'findWhereNameEquals'
	 * 
	 * @param name
	 * @throws UsersDaoException
	 * @return Users[]
	 */
	public Users[] findWhereNameEquals(String name) throws UsersDaoException
	{
		try {
			return daoImpl.findWhereNameEquals(name);
		}
		catch (UsersDaoException daoException) {
			throw daoException;
		}
		catch (Exception ex) {
			ex.printStackTrace();
			throw new UsersDaoException( ex.getMessage() );
		}
		
	}

	/**
	 * Method 'findByPrimaryKey'
	 * 
	 * @param userid
	 * @throws UsersDaoException
	 * @return Users
	 */
	public Users findByPrimaryKey(String userid) throws UsersDaoException
	{
		try {
			return daoImpl.findByPrimaryKey(userid);
		}
		catch (UsersDaoException daoException) {
			throw daoException;
		}
		catch (Exception ex) {
			ex.printStackTrace();
			throw new UsersDaoException( ex.getMessage() );
		}
		
	}

	/**
	 * Method 'findByDynamicSelect'
	 * 
	 * @param sql
	 * @param arg
	 * @throws UsersDaoException
	 * @return Users[]
	 */
	public Users[] findByDynamicSelect(String sql, Object[] arg) throws UsersDaoException
	{
		try {
			return daoImpl.findByDynamicSelect(sql, arg);
		}
		catch (UsersDaoException daoException) {
			throw daoException;
		}
		catch (Exception ex) {
			ex.printStackTrace();
			throw new UsersDaoException( ex.getMessage() );
		}
		
	}

	/**
	 * Method 'findByDynamicWhere'
	 * 
	 * @param sql
	 * @param arg
	 * @throws UsersDaoException
	 * @return Users[]
	 */
	public Users[] findByDynamicWhere(String sql, Object[] arg) throws UsersDaoException
	{
		try {
			return daoImpl.findByDynamicWhere(sql, arg);
		}
		catch (UsersDaoException daoException) {
			throw daoException;
		}
		catch (Exception ex) {
			ex.printStackTrace();
			throw new UsersDaoException( ex.getMessage() );
		}
		
	}

	/**
	 * Method 'ejbActivate'
	 * 
	 */
	public void ejbActivate()
	{
	}

	/**
	 * Method 'ejbPassivate'
	 * 
	 */
	public void ejbPassivate()
	{
	}

	/**
	 * Method 'ejbCreate'
	 * 
	 */
	public void ejbCreate()
	{
	}

	/**
	 * Method 'ejbRemove'
	 * 
	 */
	public void ejbRemove()
	{
	}

	/**
	 * Method 'setSessionContext'
	 * 
	 * @param ctx
	 */
	public void setSessionContext(SessionContext ctx)
	{
	}

	/**
	 * Method 'unsetSessionContext'
	 * 
	 */
	public void unsetSessionContext()
	{
	}

	/**
	 * Method 'createDao'
	 * 
	 * @return UsersDao
	 */
	private UsersDao createDao()
	{
		return UsersDaoFactory.create();
	}

}