Package com.jms.socialmedia.cache

Class AbstractCodecCachingService<T>

java.lang.Object

com.jms.socialmedia.cache.AbstractCachingService

com.jms.socialmedia.cache.AbstractCodecCachingService<T>

Direct Known Subclasses:

RedisCachingService

public abstract class AbstractCodecCachingService<T>
extends AbstractCachingService

Constructor Summary

Constructors

Constructor	Description
AbstractCodecCachingService(CachingCodec<T> cachingServiceCodec)

Method Summary

Modifier and Type	Method	Description
void	editCommentInCache(int commentId, String text)	Either edits the text of the Comment in the Cache, or invalidates the Comment
void	editPostInCache(int postId, String text)	Either edits the text of the Post in the Cache, or invalidates the Post
Comment	getCommentFromCache(int commentId)
Collection<Comment>	getCommentsFromCache(int postId)
protected abstract T	getEncodedCommentFromCache(int commentId)
protected abstract Collection<T>	getEncodedCommentsFromCache(int postId)
protected abstract T	getEncodedPostFromCache(int postId)
protected abstract T	getEncodedUserSessionFromCache(String sessionKey)
Post	getPostFromCache(int postId)	Retrieves a Post from cache if present
User	getUserSessionFromCache(String sessionKey)
protected abstract void	invalidateComment(int commentId)
protected abstract void	invalidatePost(int postId)	Slightly different from AbstractCachingService.removePostFromCache(int) This one only removes the Post, not all the Comments of the Post
void	likeCommentInCache(int commentId, int userId)	Either adds a Like to the Comment in the Cache, or invalidates the Comment
void	likePostInCache(int postId, int userId)	Either adds a Like to the Post in the Cache, or invalidates the Post
void	putCommentIntoCache(Comment comment)
void	putCommentsFromPostIntoCache(int postId, Collection<Comment> comments)
protected abstract void	putEncodedCommentIntoCache(int commentId, int postId, T encodedComment)
protected abstract void	putEncodedCommentsFromPostIntoCache(int postId, Map<T,Double> encodedCommentsWithId)
protected abstract void	putEncodedPostIntoCache(int postId, T encodedPost)
protected abstract void	putEncodedUserSessionIntoCache(String sessionKey, T encodedUserSession)
void	putPostIntoCache(Post post)
void	putUserSessionIntoCache(String sessionKey, User user)
void	unlikeCommentInCache(int commentId, int userId)	Either removes a Like in the Comment in the Cache, or invalidates the Comment
void	unlikePostInCache(int postId, int userId)	Either removes a Like in the Post in the Cache, or invalidates the Post

Methods inherited from class com.jms.socialmedia.cache.AbstractCachingService

commentsCacheHit, commentsCacheMiss, getCommentsFromCacheOrSupplier, getPostFromCacheOrSupplier, getUserSessionCacheOrSupplier, postCacheHit, postCacheMiss, removeCommentFromCache, removePostFromCache, removeUserSessionFromCache, userSessionCacheHit, userSessionCacheMiss

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractCodecCachingService

public AbstractCodecCachingService(CachingCodec<T> cachingServiceCodec)

Method Detail

getEncodedPostFromCache

protected abstract T getEncodedPostFromCache(int postId)

putEncodedPostIntoCache

protected abstract void putEncodedPostIntoCache(int postId,
                                                T encodedPost)

getPostFromCache

public Post getPostFromCache(int postId)

Description copied from class: AbstractCachingService

Retrieves a Post from cache if present

Specified by:

getPostFromCache in class AbstractCachingService

Parameters:

postId - ID of Post

Returns:

Post or null

editPostInCache

public void editPostInCache(int postId,
                            String text)

Description copied from class: AbstractCachingService

Either edits the text of the Post in the Cache, or invalidates the Post

Specified by:

editPostInCache in class AbstractCachingService

Parameters:

postId - ID of the Post being edited

text - New text of the Post

putPostIntoCache

public void putPostIntoCache(Post post)

Specified by:

putPostIntoCache in class AbstractCachingService

likePostInCache

public void likePostInCache(int postId,
                            int userId)

Description copied from class: AbstractCachingService

Either adds a Like to the Post in the Cache, or invalidates the Post

Specified by:

likePostInCache in class AbstractCachingService

Parameters:

postId - ID of the Post being liked

userId - ID of the User the liked the Post

unlikePostInCache

public void unlikePostInCache(int postId,
                              int userId)

Description copied from class: AbstractCachingService

Either removes a Like in the Post in the Cache, or invalidates the Post

Specified by:

unlikePostInCache in class AbstractCachingService

Parameters:

postId - ID of the Post being unliked

userId - ID of the User the unliked the Post

getEncodedCommentsFromCache

protected abstract Collection<T> getEncodedCommentsFromCache(int postId)

getEncodedCommentFromCache

protected abstract T getEncodedCommentFromCache(int commentId)

putEncodedCommentsFromPostIntoCache

protected abstract void putEncodedCommentsFromPostIntoCache(int postId,
                                                            Map<T,Double> encodedCommentsWithId)

putEncodedCommentIntoCache

protected abstract void putEncodedCommentIntoCache(int commentId,
                                                   int postId,
                                                   T encodedComment)

invalidatePost

protected abstract void invalidatePost(int postId)

Slightly different from AbstractCachingService.removePostFromCache(int) This one only removes the Post, not all the Comments of the Post

Parameters:

postId -

getCommentsFromCache

public Collection<Comment> getCommentsFromCache(int postId)

Specified by:

getCommentsFromCache in class AbstractCachingService

getCommentFromCache

public Comment getCommentFromCache(int commentId)

Specified by:

getCommentFromCache in class AbstractCachingService

editCommentInCache

public void editCommentInCache(int commentId,
                               String text)

Description copied from class: AbstractCachingService

Either edits the text of the Comment in the Cache, or invalidates the Comment

Specified by:

editCommentInCache in class AbstractCachingService

Parameters:

commentId - ID of the Comment being edited

text - New text of the Comment

putCommentsFromPostIntoCache

public void putCommentsFromPostIntoCache(int postId,
                                         Collection<Comment> comments)

Specified by:

putCommentsFromPostIntoCache in class AbstractCachingService

putCommentIntoCache

public void putCommentIntoCache(Comment comment)

Specified by:

putCommentIntoCache in class AbstractCachingService

likeCommentInCache

public void likeCommentInCache(int commentId,
                               int userId)

Description copied from class: AbstractCachingService

Either adds a Like to the Comment in the Cache, or invalidates the Comment

Specified by:

likeCommentInCache in class AbstractCachingService

Parameters:

commentId - ID of the Comment being liked

userId - ID of the User the liked the Comment

unlikeCommentInCache

public void unlikeCommentInCache(int commentId,
                                 int userId)

Description copied from class: AbstractCachingService

Either removes a Like in the Comment in the Cache, or invalidates the Comment

Specified by:

unlikeCommentInCache in class AbstractCachingService

Parameters:

commentId - ID of the Comment being unliked

userId - ID of the User the unliked the Comment

invalidateComment

protected abstract void invalidateComment(int commentId)

getEncodedUserSessionFromCache

protected abstract T getEncodedUserSessionFromCache(String sessionKey)

putEncodedUserSessionIntoCache

protected abstract void putEncodedUserSessionIntoCache(String sessionKey,
                                                       T encodedUserSession)

getUserSessionFromCache

public User getUserSessionFromCache(String sessionKey)

Specified by:

getUserSessionFromCache in class AbstractCachingService

putUserSessionIntoCache

public void putUserSessionIntoCache(String sessionKey,
                                    User user)

Specified by:

putUserSessionIntoCache in class AbstractCachingService