org.jbox.dao
Class PageHomeByHibernate

java.lang.Object
  org.jbox.dao.PageHomeByHibernate

All Implemented Interfaces:

PageHome

public class PageHomeByHibernate
extends java.lang.Object
implements PageHome

Implementation of PageHome with hibernate.

It should be noticed that because there may be thousands of data written to data base when crawl Internet, it should be noticed that hibernate may not be the best choice for writing data base. If needed better performance, stored procedure may be a better choice.

Version:

1.0

Author:

YiBin.H

See Also:

Page

Constructor Summary

PageHomeByHibernate()

Method Summary

void	deletePage(Page p) Delete a Page object from data base.
Page	findById(long id) Find a Page object from data base by the specified id.
Page[]	findByIds(long[] ids) Find Page objects from data base by IDs.
Page	findByUrl(java.lang.String url) Count the number of records in table "page" in data base.
long	findPageNum()
long	savePage(Page p) Save a Page object to data base,and return the page id in data base.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PageHomeByHibernate

public PageHomeByHibernate()

Method Detail

findById

public Page findById(long id)

Description copied from interface: PageHome

Find a Page object from data base by the specified id.

Specified by:

findById in interface PageHome

Parameters:

id - Page object id, a long value.

Returns:

Page object

findByIds

public Page[] findByIds(long[] ids)

Description copied from interface: PageHome

Find Page objects from data base by IDs.

Specified by:

findByIds in interface PageHome

Parameters:

ids - Integer array containing id of Page object.

Returns:

Page array.

findByUrl

public Page findByUrl(java.lang.String url)

Description copied from interface: PageHome

Count the number of records in table "page" in data base.

Specified by:

findByUrl in interface PageHome

Returns:

number of records in table "page" in data base.

findPageNum

public long findPageNum()

Specified by:

findPageNum in interface PageHome

savePage

public long savePage(Page p)

Description copied from interface: PageHome

Save a Page object to data base,and return the page id in data base.

Specified by:

savePage in interface PageHome

Parameters:

p - a Page to save.

Returns:

id of Page object.

deletePage

public void deletePage(Page p)

Description copied from interface: PageHome

Delete a Page object from data base.

Specified by:

deletePage in interface PageHome

Parameters:

p - Page object needed to delete.