com.sss.model.service

Class CommentsService

java.lang.Object

com.sss.model.service.CommentsService

All Implemented Interfaces:

ICommentsService

@Service
public class CommentsService
extends java.lang.Object
implements ICommentsService

Service class. Implementation of interface between presentation and model layer to perform operations on comments. Uses member variable that implements ICommentsRepository.

Constructor Summary

Constructors

Constructor and Description
CommentsService()

Method Summary

Modifier and Type	Method and Description
CommentBO	add(CommentVO commentVO, java.lang.Long commentableId) This method adds a new comment to a specified by id commentable.
void	delete(java.lang.Long commentableId, java.lang.Long commentId) This method deletes a specified by id comment to a specified by id commentable.
java.util.List<CommentBO>	findByCommentableId(java.lang.Long commentableId) This method returns all comments that are available to a specified by id commentable.
CommentBO	update(CommentVO commentVO, java.lang.Long commentableId, java.lang.Long commentId) This method updates an existing specified by id comment to a specified by id commentable.

Methods inherited from class java.lang.Object

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

Constructor Detail

CommentsService

public CommentsService()

Method Detail

add

public CommentBO add(CommentVO commentVO,
                     java.lang.Long commentableId)

This method adds a new comment to a specified by id commentable. It first creates an Comment instance using vo2entity. Then it propagates request to data layer using ICommentsRepository method save. Returned from save Comment instance is wrapped into CommentBO.

Specified by:

add in interface ICommentsService

Parameters:

commentVO - CommentVO's instance with user's input data

commentableId - Id of commentable to add a comment to

Returns:

CommentBO's instance for a new created record

findByCommentableId

public java.util.List<CommentBO> findByCommentableId(java.lang.Long commentableId)

This method returns all comments that are available to a specified by id commentable. It propagates request to data layer using ICommentsRepository method findByCommentableId. Then it wraps up each Comment instance into CommentBO and collect them to List.

Specified by:

findByCommentableId in interface ICommentsService

Parameters:

commentableId - Id of commentable to receive comments to

Returns:

List of CommentBO's instances

delete

public void delete(java.lang.Long commentableId,
                   java.lang.Long commentId)

This method deletes a specified by id comment to a specified by id commentable. It propagates request to data layer using ICommentsRepository method delete.

Specified by:

delete in interface ICommentsService

Parameters:

commentableId - Id of commentable to delete an comment to

commentId - Id of comment to delete

update

public CommentBO update(CommentVO commentVO,
                        java.lang.Long commentableId,
                        java.lang.Long commentId)

This method updates an existing specified by id comment to a specified by id commentable. It first creates a Comment instance using vo2entity. Then it propagates request to data layer using ICommentsRepository method save. Returned from save Comment instance is wrapped into CommentBO.

Specified by:

update in interface ICommentsService

Parameters:

commentVO - CommentVO's instance with user's changed and old data.

commentableId - Id of commentable to edit an comment to

commentId - Id of comment to edit

Returns:

CommentBO's instance for an edited record