Package it.unimib.unimibmodules.repository

Class SurveyRepositoryImpl

java.lang.Object

it.unimib.unimibmodules.repository.SurveyRepositoryImpl

All Implemented Interfaces:

SurveyRepository, SurveyRepositoryReadOnly

@Component("surveyRepository")
public class SurveyRepositoryImpl
extends Object
implements SurveyRepository, SurveyRepositoryReadOnly

Repository for the Survey. It adds business logic to Survey instances before accessing the database trough DAO.

Version:

0.4.1

Author:

Luca Milazzo

Field Summary

Fields

Modifier and Type	Field	Description
private final SurveyDAO	surveyDAO	The instance of SurveyDAO that will be used to perform actions to the DB
private final SurveyQuestionsDAO	surveyQuestionsDAO	The instance of SurveyDAO that will be used to perform actions to the DB
private final UserRepositoryImpl	userRepository	The instance of SurveyDAO that will be used to perform actions to the DB

Constructor Summary

Constructors

Constructor	Description
SurveyRepositoryImpl(SurveyDAO surveyDAO, SurveyQuestionsDAO surveyQuestionsDAO, UserRepositoryImpl userRepository)

Method Summary

Modifier and Type	Method	Description
void	add(Survey survey)	Inserts a new instance of Survey in the database
void	addAll(List<Survey> surveySet)	Inserts a new Set of surveys in the database
Survey	get(int id)	Finds the survey identified by id in the database
Iterable<Survey>	getAll()	Returns all surveys from the database.
Iterable<Survey>	getAllLazy(int offset, int limit)	Returns all surveys from the database with Lazy Loading parameters.
Survey	getByCompilationCode(String code)
Iterable<Survey>	getByText(String text)	Finds all the surveys in the database where text is contained in their names or in their identifier.
Iterable<Survey>	getByTextLazy(String text, int offset, int limit)	Finds all the surveys in the database where text is contained in their names or in their identifier with Lazy Loading parameters.
List<Integer>	getListToSave(Set<SurveyQuestions> surveyQuestions, int surveyId)	It's used by modifyQuestions in order to find all the questions to create or maintain
void	modifyName(String name, int id)	Updates the name of the survey in the database.
void	modifyQuestions(Set<SurveyQuestions> surveyQuestions, int surveyId)	Updates the questions list of the survey.
void	remove(int id)	Deletes from the database the survey identified by id.
void	removeAll()	Deletes all the surveys in the database.

Methods inherited from class java.lang.Object

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

Field Details

surveyDAO

private final SurveyDAO surveyDAO

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

surveyQuestionsDAO

private final SurveyQuestionsDAO surveyQuestionsDAO

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

userRepository

private final UserRepositoryImpl userRepository

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

Constructor Details

SurveyRepositoryImpl

@Autowired
public SurveyRepositoryImpl(SurveyDAO surveyDAO,
 SurveyQuestionsDAO surveyQuestionsDAO,
 UserRepositoryImpl userRepository)

Method Details

add

public void add(Survey survey)
         throws FormatException

Inserts a new instance of Survey in the database

Specified by:

add in interface SurveyRepository

Parameters:

survey - an instance of Survey

Throws:

FormatException

See Also:

• FormatException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)
• SurveyRepository.add(it.unimib.unimibmodules.model.Survey)

addAll

public void addAll(List<Survey> surveySet)
            throws FormatException

Inserts a new Set of surveys in the database

Parameters:

surveySet - a Set of Survey

Throws:

FormatException

See Also:

• FormatException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)

get

public Survey get(int id)
           throws NotFoundException

Finds the survey identified by id in the database

Specified by:

get in interface SurveyRepository

Specified by:

get in interface SurveyRepositoryReadOnly

Parameters:

id - the id of the survey to be found

Returns:

an instance of Survey if there is a survey identified by id

Throws:

NotFoundException - if the survey doesn't exist

See Also:

• NotFoundException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)
• SurveyRepository.get(int)

getAll

public Iterable<Survey> getAll()
                        throws NotFoundException

Returns all surveys from the database.

Specified by:

getAll in interface SurveyRepository

Returns:

a Set of Surveys

Throws:

NotFoundException - if no survey exists

See Also:

• NotFoundException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)
• SurveyRepository.getAll()

getAllLazy

public Iterable<Survey> getAllLazy(int offset,
 int limit)
                            throws NotFoundException

Returns all surveys from the database with Lazy Loading parameters.

Specified by:

getAllLazy in interface SurveyRepository

Parameters:

offset - offset for lazy loading

limit - for limiting the result length

Returns:

a Set of Surveys

Throws:

NotFoundException - if no survey exists

See Also:

• NotFoundException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)
• SurveyRepository.getAllLazy(int, int)

getByText

public Iterable<Survey> getByText(String text)
                           throws NotFoundException

Finds all the surveys in the database where text is contained in their names or in their identifier.

Specified by:

getByText in interface SurveyRepository

Parameters:

text - the text to search

Returns:

a list of Surveys where the text has been matched

Throws:

NotFoundException - if no survey has been found

See Also:

• NotFoundException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)
• SurveyRepository.getByText(java.lang.String)

getByTextLazy

public Iterable<Survey> getByTextLazy(String text,
 int offset,
 int limit)
                               throws NotFoundException

Finds all the surveys in the database where text is contained in their names or in their identifier with Lazy Loading parameters.

Specified by:

getByTextLazy in interface SurveyRepository

Parameters:

text - the text to search

offset - offset for lazy loading

limit - for limiting the result length

Returns:

a list of Surveys where the text has been matched

Throws:

NotFoundException - if no survey has been found

See Also:

• NotFoundException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)
• SurveyRepository.getByTextLazy(java.lang.String, int, int)

getByCompilationCode

public Survey getByCompilationCode(String code)
                            throws NotFoundException

Specified by:

getByCompilationCode in interface SurveyRepository

Throws:

NotFoundException

remove

public void remove(int id)
            throws FormatException

Deletes from the database the survey identified by id.

Specified by:

remove in interface SurveyRepository

Parameters:

id - the id of the survey to be deleted

Throws:

FormatException

See Also:

• FormatException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)
• SurveyRepository.remove(int)

removeAll

public void removeAll()

Deletes all the surveys in the database.

modifyName

public void modifyName(String name,
 int id)
                throws FormatException,
NotFoundException,
EmptyFieldException

Updates the name of the survey in the database.

Specified by:

modifyName in interface SurveyRepository

Parameters:

id - survey id

name - new name

Throws:

FormatException

NotFoundException

EmptyFieldException

See Also:

• FormatException
• NotFoundException
• EmptyFieldException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)

getListToSave

public List<Integer> getListToSave(Set<SurveyQuestions> surveyQuestions,
 int surveyId)

It's used by modifyQuestions in order to find all the questions to create or maintain

Parameters:

surveyQuestions - the new questions list of Survey

surveyId - the survey id

Throws:

FormatException

See Also:

• FormatException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)

modifyQuestions

public void modifyQuestions(Set<SurveyQuestions> surveyQuestions,
 int surveyId)
                     throws FormatException

Updates the questions list of the survey.

Specified by:

modifyQuestions in interface SurveyRepository

Parameters:

surveyQuestions - the new questions list of Survey

surveyId - the survey id

Throws:

FormatException

See Also:

• FormatException
• ExceptionController.handleFormatException(it.unimib.unimibmodules.exception.FormatException)