com.groupdocs.annotation.data.dao.interfaces
Interface IDao<T extends ITable>

All Known Subinterfaces:

IAnnotationDao, ICollaboratorDao, IDocumentDao, IReplyDao, ISessionDao, ISystemInfoDao, IUserDao

public interface IDao<T extends ITable>

Interface to implement DAO

Author:

Aleksey Permyakov (29.09.2014)

Method Summary

void	createTableIfNotExists() Create table for entity
int	delete(T entity) Delete entity from database
int	insert(T entity) Insert entity to database
List<T>	selectAllBy(List<String> fieldNames, Object... fieldValues) Select all entity objects with specified values of fields
T	selectBy(List<String> fieldNames, Object... fieldValues) Select first found entity object with specified values of fields
int	update(T entity) Update entity in database

Method Detail

createTableIfNotExists

void createTableIfNotExists()
                            throws AnnotationException

Create table for entity

Throws:

AnnotationException

selectBy

T selectBy(List<String> fieldNames,
           Object... fieldValues)
                          throws AnnotationException

Select first found entity object with specified values of fields

Parameters:

fieldNames - list of field names (Recommend to use constants from entity class)

fieldValues - array of filed values according and in the same order to fieldNames

Returns:

first found entity object

Throws:

AnnotationException

selectAllBy

List<T> selectAllBy(List<String> fieldNames,
                    Object... fieldValues)
                                   throws AnnotationException

Select all entity objects with specified values of fields

Parameters:

fieldNames - list of field names (Recommend to use constants from entity class)

fieldValues - array of filed values according and in the same order to fieldNames

Returns:

list of found entity objects

Throws:

AnnotationException

insert

int insert(T entity)

Insert entity to database

Parameters:

entity - entity to insert

Throws:

AnnotationException

update

int update(T entity)

Update entity in database

Parameters:

entity - entity to update

Returns:

count of updated rows

delete

int delete(T entity)

Delete entity from database

Parameters:

entity - entity to delete

Returns:

count of deleted rows