org.richfaces.photoalbum.service

Class ImageAction

java.lang.Object

org.richfaces.photoalbum.service.ImageAction

All Implemented Interfaces:

IImageAction

public class ImageAction
extends Object
implements IImageAction

Class for manipulating with image entity. Analogous to DAO pattern. EJB3 Bean

Author:

Andrey Markhel

Constructor Summary

Constructors

Constructor and Description
ImageAction()

Method Summary

Methods

Modifier and Type	Method and Description
void	addComment(Comment comment) Add comment from image
void	addImage(Image image) Persist image entity to database
void	addMetaTag(Image image, MetaTag metaTag) Add MetaTag to image
void	deleteComment(Comment comment) Remove comment from image
void	deleteImage(Image image) Remove image entity from database
void	editImage(Image image, boolean metatagsChanged) Synchronize state of image entity with database
List<Comment>	findAllUserComments(User user) Retrieve all cooments posted by given user.
Long	getCountIdenticalImages(Album album, String path) Return count of images with path, that started from specified path already exist in specified album
List<MetaTag>	getPopularTags() Find most-popular metatags
MetaTag	getTagByName(String tag) Find metatag object by its string representation
List<MetaTag>	getTagsLikeString(String suggest) Find List of metatags, similar to specified string.
boolean	isImageWithThisPathExist(Album album, String path) Check if image with specified path already exist in specified album
void	removeMetaTag(Image image, MetaTag metaTag) Remove MetaTag to image
void	resetImage(Image image) Refresh state of given image

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageAction

public ImageAction()

Method Detail

deleteImage

public void deleteImage(Image image)
                 throws PhotoAlbumException

Remove image entity from database

Specified by:

deleteImage in interface IImageAction

Parameters:

image - - image to delete

Throws:

PhotoAlbumException

editImage

public void editImage(Image image,
             boolean metatagsChanged)
               throws PhotoAlbumException

Synchronize state of image entity with database

Specified by:

editImage in interface IImageAction

Parameters:

image - - image to Synchronize

metatagsChanged - - boolean value, that indicates is metatags of this image were changed(add new or delete older)

Throws:

PhotoAlbumException

addImage

public void addImage(Image image)
              throws PhotoAlbumException

Persist image entity to database

Specified by:

addImage in interface IImageAction

Parameters:

image - - image to add

Throws:

PhotoAlbumException

deleteComment

public void deleteComment(Comment comment)
                   throws PhotoAlbumException

Remove comment from image

Specified by:

deleteComment in interface IImageAction

Parameters:

comment - - comment to remove

Throws:

PhotoAlbumException

addComment

public void addComment(Comment comment)
                throws PhotoAlbumException

Add comment from image

Specified by:

addComment in interface IImageAction

Parameters:

comment - - comment to add

Throws:

PhotoAlbumException

addMetaTag

public void addMetaTag(Image image,
              MetaTag metaTag)
                throws PhotoAlbumException

Add MetaTag to image

Parameters:

image - - image to which the tag is added

metaTage - - metaTag to be added

Throws:

PhotoAlbumException

removeMetaTag

public void removeMetaTag(Image image,
                 MetaTag metaTag)
                   throws PhotoAlbumException

Remove MetaTag to image

Parameters:

image - - image to which the tag is added

metaTage - - metaTag to be added

Throws:

PhotoAlbumException

getTagByName

public MetaTag getTagByName(String tag)

Find metatag object by its string representation

Specified by:

getTagByName in interface IImageAction

Parameters:

tag - - string representation of metatag

Returns:

metatag object or null

getPopularTags

public List<MetaTag> getPopularTags()

Find most-popular metatags

Specified by:

getPopularTags in interface IImageAction

Returns:

list of most-popular metatags

getTagsLikeString

public List<MetaTag> getTagsLikeString(String suggest)

Find List of metatags, similar to specified string. Used in autosuggect

Specified by:

getTagsLikeString in interface IImageAction

Parameters:

suggest - - string to search; has to be set to lowerCase since this cannot be done inside a query

Returns:

list of most-popular metatags

isImageWithThisPathExist

public boolean isImageWithThisPathExist(Album album,
                               String path)

Check if image with specified path already exist in specified album

Specified by:

isImageWithThisPathExist in interface IImageAction

Parameters:

album - - album to check

path - - path to check

Returns:

is image with specified path already exist

getCountIdenticalImages

public Long getCountIdenticalImages(Album album,
                           String path)

Return count of images with path, that started from specified path already exist in specified album

Specified by:

getCountIdenticalImages in interface IImageAction

Parameters:

album - - album to check

path - - path to check

Returns:

count of images

findAllUserComments

public List<Comment> findAllUserComments(User user)

Retrieve all cooments posted by given user.

Specified by:

findAllUserComments in interface IImageAction

Returns:

list of comments

resetImage

public void resetImage(Image image)

Refresh state of given image

Specified by:

resetImage in interface IImageAction

Parameters:

image - - image to Synchronize