com.sss.model

Interface IAnswersService

All Known Implementing Classes:

AnswersService

public interface IAnswersService

Interface between presentation and model layer to perform operations on answers

Method Summary

Modifier and Type	Method and Description
AnswerBO	add(AnswerVO answerVO, java.lang.Long questionId) This method adds a new answer to a specified by id question.
void	delete(java.lang.Long questionId, java.lang.Long answerId) This method deletes a specified by id answer to a specified by id question.
java.util.List<AnswerBO>	findByQuestionId(java.lang.Long questionId) This method returns all answers that are available to a specified by id question.
AnswerBO	update(AnswerVO answerVO, java.lang.Long questionId, java.lang.Long answerId) This method updates an existing specified by id answer to a specified by id question.

Method Detail

findByQuestionId

java.util.List<AnswerBO> findByQuestionId(java.lang.Long questionId)

This method returns all answers that are available to a specified by id question.

Parameters:

questionId - Id of question to receive answers to

Returns:

List of AnswerBO's instances

add

AnswerBO add(AnswerVO answerVO,
             java.lang.Long questionId)

This method adds a new answer to a specified by id question.

Parameters:

answerVO - AnswerVO's instance with user's input data

questionId - Id of question to add an answer to

Returns:

AnswerBO's instance for a new created record

update

AnswerBO update(AnswerVO answerVO,
                java.lang.Long questionId,
                java.lang.Long answerId)

This method updates an existing specified by id answer to a specified by id question.

Parameters:

answerVO - AnswerVO's instance with user's changed and old data.

questionId - Id of question to edit an answer to

answerId - Id of answer to edit

Returns:

AnswerBO's instance for an edited record

delete

void delete(java.lang.Long questionId,
            java.lang.Long answerId)

This method deletes a specified by id answer to a specified by id question.

Parameters:

questionId - Id of question to delete an answer to

answerId - Id of answer to delete