com.sss.model

Interface IQuestionsService

public interface IQuestionsService

Interface between presentation and model layer to perform operations on questions

Method Summary

Modifier and Type	Method and Description
QuestionBO	add(QuestionVO questionVO) This method adds a new question.
java.util.List<QuestionBO>	all() This method returns all questions that are available
void	delete(java.lang.Long questionId) This method deletes a specified by id question.
QuestionBO	find(java.lang.Long id) This method looks for a question specified by id.
QuestionBO	update(QuestionVO questionVO, java.lang.Long questionId) This method updates an existing specified by id question.

Method Detail

all

java.util.List<QuestionBO> all()

This method returns all questions that are available

Returns:

List of QuestionBO's instances

find

QuestionBO find(java.lang.Long id)

This method looks for a question specified by id.

Parameters:

id - Id of question to find

Returns:

QuestionBO's instance

add

QuestionBO add(QuestionVO questionVO)

This method adds a new question.

Parameters:

questionVO - QuestionVO's instance with user's input data

Returns:

QuestionBO's instance for a new created record

update

QuestionBO update(QuestionVO questionVO,
                  java.lang.Long questionId)

This method updates an existing specified by id question.

Parameters:

questionVO - QuestionVO's instance with user's changed and old data.

questionId - Id of question to edit

Returns:

QuestionBO's instance for an edited record

delete

void delete(java.lang.Long questionId)

This method deletes a specified by id question.

Parameters:

questionId - Id of question to delete