Package it.unimib.unimibmodules.repository

Class QuestionRepositoryImpl

java.lang.Object

it.unimib.unimibmodules.repository.QuestionRepositoryImpl

All Implemented Interfaces:

QuestionRepository, QuestionRepositoryReadOnly

@Component("questionRepository")
public class QuestionRepositoryImpl
extends Object
implements QuestionRepository, QuestionRepositoryReadOnly

Repository for the Question class.

Version:

0.4.1

Author:

Khalil

Field Summary

Fields

Modifier and Type	Field	Description
private final QuestionDAO	questionDAO	The instance of questionDAO that will be used to perform actions to the DB

Constructor Summary

Constructors

Constructor	Description
QuestionRepositoryImpl(QuestionDAO questionDAO)

Method Summary

Modifier and Type	Method	Description
void	add(Question entity)	Inserts an instance of Question in the database
void	addAll(List<Question> entities)	Inserts a list of questions in the database
Question	get(int id)	Finds the question identified by id in the database
Iterable<Question>	getAll()	Returns all questions in the database.
Iterable<Question>	getAllLazy(int offset, int limit)	Finds all the questions in the database with Lazy Loading parameters
Iterable<Question>	getByCategory(int categoryId)	Finds the question associated with the category identified by surveyId
Iterable<Question>	getByCategoryLazy(int categoryId, int offset, int limit)	Finds the question associated with the category identified by surveyId with Lazy Loading
Iterable<Question>	getBySurveyId(int surveyId)	Finds the question associated with the survey identified by surveyId
Iterable<Question>	getByText(String text)	Finds the question in the database where text is contained in the text of the question
Iterable<Question>	getByTextLazy(String text, int offset, int limit)	Finds the question in the database where text is contained in the text of the question for lazy loading
Iterable<Question>	getByUser(int userId)	Finds the question in the database created by a specified user
Iterable<Question>	getByUserLazy(int userId, int offset, int limit)	Finds the question in the database created by a specified user with Lazy Loading
void	modify(Question entity)	Updates a question in the database using a new instance of Question.
void	remove(int id)	Deletes from the database the question identified by id.
void	removeAll()	Deletes all questions in the database.

Methods inherited from class java.lang.Object

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

Field Details

questionDAO

private final QuestionDAO questionDAO

The instance of questionDAO that will be used to perform actions to the DB

Constructor Details

QuestionRepositoryImpl

@Autowired
public QuestionRepositoryImpl(QuestionDAO questionDAO)

Method Details

add

public void add(Question entity)

Inserts an instance of Question in the database

Specified by:

add in interface QuestionRepository

Parameters:

entity - an instance of Question

See Also:

• QuestionRepository.add(it.unimib.unimibmodules.model.Question)

addAll

public void addAll(List<Question> entities)

Inserts a list of questions in the database

Parameters:

entities - a list of Questions

getAllLazy

public Iterable<Question> getAllLazy(int offset,
 int limit)

Finds all the questions in the database with Lazy Loading parameters

Specified by:

getAllLazy in interface QuestionRepository

Parameters:

offset - initial position for the query

limit - limiting query results

Returns:

a list of Questions

See Also:

• QuestionRepository.getAllLazy(int, int)

get

public Question get(int id)
             throws NotFoundException

Finds the question identified by id in the database

Specified by:

get in interface QuestionRepository

Specified by:

get in interface QuestionRepositoryReadOnly

Parameters:

id - the id of the question to be found

Returns:

an instance of Question if there is a question identified by id, null otherwise

Throws:

NotFoundException - if no question identified by id has been found

See Also:

• QuestionRepository.get(int id)

getBySurveyId

public Iterable<Question> getBySurveyId(int surveyId)

Finds the question associated with the survey identified by surveyId

Specified by:

getBySurveyId in interface QuestionRepository

Parameters:

surveyId - the id of the survey

Returns:

a list of Questions

See Also:

• QuestionRepository.get(int id)

getByText

public Iterable<Question> getByText(String text)

Finds the question in the database where text is contained in the text of the question

Specified by:

getByText in interface QuestionRepository

Parameters:

text - the text to search in the question

Returns:

a list of Questions where the text is contained in the text of the question

getByTextLazy

public Iterable<Question> getByTextLazy(String text,
 int offset,
 int limit)

Finds the question in the database where text is contained in the text of the question for lazy loading

Specified by:

getByTextLazy in interface QuestionRepository

Parameters:

text - the id of the survey

offset - initial position for the query

limit - limiting query results

Returns:

a list of Questions where the text is contained in the text of the question

getByUser

public Iterable<Question> getByUser(int userId)

Finds the question in the database created by a specified user

Specified by:

getByUser in interface QuestionRepository

Parameters:

userId - id of the user

Returns:

an instance of Question if there is a question identified by id, null otherwise

getByUserLazy

public Iterable<Question> getByUserLazy(int userId,
 int offset,
 int limit)

Finds the question in the database created by a specified user with Lazy Loading

Specified by:

getByUserLazy in interface QuestionRepository

Parameters:

userId - id of the user

offset - initial position for the query

limit - limiting query results

Returns:

an instance of Question if there is a question identified by id, null otherwise

getByCategory

public Iterable<Question> getByCategory(int categoryId)

Finds the question associated with the category identified by surveyId

Specified by:

getByCategory in interface QuestionRepository

Parameters:

categoryId - the id of the category

Returns:

a list of Questions

See Also:

• QuestionRepository.get(int id)

getByCategoryLazy

public Iterable<Question> getByCategoryLazy(int categoryId,
 int offset,
 int limit)

Finds the question associated with the category identified by surveyId with Lazy Loading

Specified by:

getByCategoryLazy in interface QuestionRepository

Parameters:

categoryId - the id of the category

offset - initial position for the query

limit - limiting query results

Returns:

a list of Questions

getAll

public Iterable<Question> getAll()
                          throws NotFoundException

Returns all questions in the database.

Specified by:

getAll in interface QuestionRepository

Returns:

a list of Questions

Throws:

NotFoundException

remove

public void remove(int id)
            throws NotFoundException

Deletes from the database the question identified by id.

Specified by:

remove in interface QuestionRepository

Parameters:

id - the id of the question to be deleted

Throws:

NotFoundException - if no question identified by id has been found

See Also:

• QuestionRepository.remove(int id)

removeAll

public void removeAll()

Deletes all questions in the database.

modify

public void modify(Question entity)

Updates a question in the database using a new instance of Question.

Specified by:

modify in interface QuestionRepository

Parameters:

entity - the new instance of Question

See Also:

• QuestionRepository.modify(it.unimib.unimibmodules.model.Question)