Package com.logicaldoc.core.document

Interface RatingDAO

All Superinterfaces:

PersistentObjectDAO<Rating>

All Known Implementing Classes:

HibernateRatingDAO

public interface RatingDAO
extends PersistentObjectDAO<Rating>

DAO service for ratings

Since:

6.1

Author:

Matteo Caruso - LogicalDOC

Field Summary

Fields inherited from interface com.logicaldoc.core.PersistentObjectDAO

ENTITY

Method Summary

Modifier and Type	Method	Description
List<Rating>	findByDocId(long docId)	Finds the ratings stored for the given document id
Rating	findByDocIdAndUserId(long docId, long userId)	Finds the rating for the given user id and the given document id
Rating	findVotesByDocId(long docId)	Returns a rating that contains count and average of vote on the given document
void	store(Rating rating, DocumentHistory transaction)	Stores a rating and saves the document's history
int	updateDocumentRating(long docId, DocumentHistory transaction)	Updates the document's rating with the votes average

Methods inherited from interface com.logicaldoc.core.PersistentObjectDAO

bulkUpdate, delete, delete, deleteAll, deleteAll, evict, evict, findAll, findAll, findAllIds, findAllIds, findById, findById, findByObjectQuery, findByQuery, findByQuery, findByWhere, findByWhere, findIdsByWhere, findIdsByWhere, getDatabaseMetadata, getDbms, initialize, isMySQL, isOracle, jdbcUpdate, jdbcUpdate, query, query, queryForDouble, queryForDouble, queryForInt, queryForInt, queryForList, queryForList, queryForList, queryForLong, queryForLong, queryForObject, queryForObject, queryForResultSet, queryForString, queryForString, store

Method Details

store

void store(Rating rating,
 DocumentHistory transaction)
    throws PersistenceException

Stores a rating and saves the document's history

Parameters:

rating - the rating

transaction - session informations

Throws:

PersistenceException - error at data layer

updateDocumentRating

int updateDocumentRating(long docId,
 DocumentHistory transaction)
                  throws PersistenceException

Updates the document's rating with the votes average

Parameters:

docId - Identifier of the document

transaction - session informations

Returns:

the new rating

Throws:

PersistenceException - raised in case of database error

findVotesByDocId

Rating findVotesByDocId(long docId)
                 throws PersistenceException

Returns a rating that contains count and average of vote on the given document

Parameters:

docId - ID of the document

Returns:

the rating for the document

Throws:

PersistenceException - Error in the database

findByDocIdAndUserId

Rating findByDocIdAndUserId(long docId,
 long userId)
                     throws PersistenceException

Finds the rating for the given user id and the given document id

Parameters:

docId - ID of the document

userId - ID of the user

Returns:

the vote of the given user on the document

Throws:

PersistenceException - Error in the database

findByDocId

List<Rating> findByDocId(long docId)
                  throws PersistenceException

Finds the ratings stored for the given document id

Parameters:

docId - ID of the document

Returns:

the list of ratings

Throws:

PersistenceException - Error in the database