Package eu.kartoffelquadrat.bookstoreinternals

Interface Comments

All Known Implementing Classes:

CommentsImpl

public interface Comments

Offers access to all Comments of all Books.

Author:

Maximilian Schiedermeier

Method Summary

Modifier and Type	Method	Description
void	addComment(long isbn, String comment)	Add a comment to an existing book.
void	deleteComment(long isbn, long commentId)	Removes a previously stored comment for a specific book.
void	editComment(long isbn, long commentId, String updatedComment)	Overwrites an already existing specific comment for a specific book.
Map<Long,String>	getAllCommentsForBook(long isbn)	Returns all comments stored for a specific book.
void	removeAllCommentsForBook(long isbn)	Removes all previously stored comments for a specific book.

Method Detail

getAllCommentsForBook

Map<Long,String> getAllCommentsForBook(long isbn)

Returns all comments stored for a specific book.

Parameters:

isbn - as the identifier of the book in question

Returns:

a map of commentIds to comments.

addComment

void addComment(long isbn,
                String comment)

Add a comment to an existing book. Comments for non-indexed books (isbn not listed in assortmentMap) are rejected.

Parameters:

isbn - as the identifier of the book in question

comment - as a string representing the comment to be added

deleteComment

void deleteComment(long isbn,
                   long commentId)

Removes a previously stored comment for a specific book.

Parameters:

isbn - as the identifier of the book in question

commentId - as the id of the comment to be removed

removeAllCommentsForBook

void removeAllCommentsForBook(long isbn)

Removes all previously stored comments for a specific book.

Parameters:

isbn - as the identifier of the book in question

editComment

void editComment(long isbn,
                 long commentId,
                 String updatedComment)

Overwrites an already existing specific comment for a specific book.

Parameters:

isbn - as the identifier of the book in question

commentId - as the id of the comment to be overwritten

updatedComment - as a string representing the updated comment