com.communote.server.persistence.tag

Class TagDaoImpl

java.lang.Object

org.springframework.dao.support.DaoSupport

org.springframework.orm.hibernate3.support.HibernateDaoSupport

com.communote.server.persistence.tag.TagDaoBase

com.communote.server.persistence.tag.TagDaoImpl

All Implemented Interfaces:

TagDao, org.springframework.beans.factory.InitializingBean

public class TagDaoImpl
extends TagDaoBase

Author:

Communote GmbH - http://www.communote.com/

See Also:

Tag

Field Summary

Fields inherited from class org.springframework.dao.support.DaoSupport

logger

Fields inherited from interface com.communote.server.persistence.tag.TagDao

TRANSFORM_NONE

Constructor Summary

Constructors

Constructor and Description
TagDaoImpl()

Method Summary

Modifier and Type	Method and Description
Object	create(int transform, Tag tag) Does the same thing as TagDao.create(Tag) with an additional flag called transform.
List<Long>	getFollowers(Long tagId) Return the IDs of all users that follow the tag with the given ID.
protected List<TagData>	handleFindByPrefix(String prefix, ResultSpecification filterSpecification) Performs the core logic for TagDaoBase.findByPrefix(String, com.communote.server.core.filter.ResultSpecification)
protected Tag	handleFindByTagStore(String tagStoreTagId, String tagStoreAlias) Performs the core logic for TagDaoBase.findByTagStore(String, String)
void	remove(Tag tag) Removes the instance of Tag from the persistent store.
void	removeNoteTag(long oldTagId, Long newTagId) This method removes the given tag.

Methods inherited from class com.communote.server.persistence.tag.TagDaoBase

create, create, create, evict, findByPrefix, findByTagStore, getGlobalIdDao, load, load, loadAll, loadAll, remove, setGlobalIdDao, transformEntities, transformEntity, update, update

Methods inherited from class org.springframework.orm.hibernate3.support.HibernateDaoSupport

checkDaoConfig, convertHibernateAccessException, createHibernateTemplate, getHibernateTemplate, getSession, getSession, getSessionFactory, releaseSession, setHibernateTemplate, setSessionFactory

Methods inherited from class org.springframework.dao.support.DaoSupport

afterPropertiesSet, initDao

Methods inherited from class java.lang.Object

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

Constructor Detail

TagDaoImpl

public TagDaoImpl()

Method Detail

create

public Object create(int transform,
                     Tag tag)

Does the same thing as TagDao.create(Tag) with an additional flag called transform. If this flag is set to TRANSFORM_NONE then the returned entity will NOT be transformed. If this flag is any of the other constants defined here then the result WILL BE passed through an operation which can optionally transform the entity (into a value object for example). By default, transformation does not occur.

Specified by:

create in interface TagDao

Overrides:

create in class TagDaoBase

See Also:

TagDao.create(int transform, Tag)

getFollowers

public List<Long> getFollowers(Long tagId)

Description copied from interface: TagDao

Return the IDs of all users that follow the tag with the given ID. The resulting list will be empty if the tag does not exis.

Parameters:

tagId - the ID of the tag for which the followers should be returned

Returns:

the IDs of the followers

handleFindByPrefix

protected List<TagData> handleFindByPrefix(String prefix,
                                           ResultSpecification filterSpecification)

Performs the core logic for TagDaoBase.findByPrefix(String, com.communote.server.core.filter.ResultSpecification)

Specified by:

handleFindByPrefix in class TagDaoBase

handleFindByTagStore

protected Tag handleFindByTagStore(String tagStoreTagId,
                                   String tagStoreAlias)

Performs the core logic for TagDaoBase.findByTagStore(String, String)

Specified by:

handleFindByTagStore in class TagDaoBase

remove

public void remove(Tag tag)

Description copied from interface: TagDao

Removes the instance of Tag from the persistent store.

See Also:

TagDao.remove(Tag)

removeNoteTag

public void removeNoteTag(long oldTagId,
                          Long newTagId)

This method removes the given tag.

Parameters:

oldTagId - Id of the tag to delete.

newTagId - Id of an optional new tag, the data of the old tag should be assigned to.