Package com.jms.socialmedia.cache

Class CachingServiceWithMetrics

java.lang.Object

com.jms.socialmedia.cache.AbstractCachingService

com.jms.socialmedia.cache.CachingServiceWithMetrics

public class CachingServiceWithMetrics
extends AbstractCachingService

Constructor Summary

Constructors

Constructor	Description
CachingServiceWithMetrics(AbstractCachingService cachingService, com.codahale.metrics.MetricRegistry metricRegistry)
CachingServiceWithMetrics(AbstractCachingService cachingService, com.codahale.metrics.MetricRegistry metricRegistry, String metricsName)

Method Summary

Modifier and Type	Method	Description
protected void	commentsCacheHit()
protected void	commentsCacheMiss()
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)
Post	getPostFromCache(int postId)	Retrieves a Post from cache if present
User	getUserSessionFromCache(String sessionKey)
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
protected void	postCacheHit()
protected void	postCacheMiss()
void	putCommentIntoCache(Comment comment)
void	putCommentsFromPostIntoCache(int postId, Collection<Comment> comments)
void	putPostIntoCache(Post post)
void	putUserSessionIntoCache(String sessionKey, User user)
void	removeCommentFromCache(int commentId)
void	removePostFromCache(int postId)	Removes a Post and all of its Comments from cache
void	removeUserSessionFromCache(String sessionKey)
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
protected void	userSessionCacheHit()
protected void	userSessionCacheMiss()

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

getCommentsFromCacheOrSupplier, getPostFromCacheOrSupplier, getUserSessionCacheOrSupplier

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingServiceWithMetrics

public CachingServiceWithMetrics(AbstractCachingService cachingService,
                                 com.codahale.metrics.MetricRegistry metricRegistry)

CachingServiceWithMetrics

public CachingServiceWithMetrics(AbstractCachingService cachingService,
                                 com.codahale.metrics.MetricRegistry metricRegistry,
                                 String metricsName)

Method Detail

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

removePostFromCache

public void removePostFromCache(int postId)

Description copied from class: AbstractCachingService

Removes a Post and all of its Comments from cache

Specified by:

removePostFromCache 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

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

putCommentIntoCache

public void putCommentIntoCache(Comment comment)

Specified by:

putCommentIntoCache in class AbstractCachingService

putCommentsFromPostIntoCache

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

Specified by:

putCommentsFromPostIntoCache in class AbstractCachingService

removeCommentFromCache

public void removeCommentFromCache(int commentId)

Specified by:

removeCommentFromCache 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

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

removeUserSessionFromCache

public void removeUserSessionFromCache(String sessionKey)

Specified by:

removeUserSessionFromCache in class AbstractCachingService

postCacheHit

protected void postCacheHit()

Overrides:

postCacheHit in class AbstractCachingService

postCacheMiss

protected void postCacheMiss()

Overrides:

postCacheMiss in class AbstractCachingService

commentsCacheHit

protected void commentsCacheHit()

Overrides:

commentsCacheHit in class AbstractCachingService

commentsCacheMiss

protected void commentsCacheMiss()

Overrides:

commentsCacheMiss in class AbstractCachingService

userSessionCacheHit

protected void userSessionCacheHit()

Overrides:

userSessionCacheHit in class AbstractCachingService

userSessionCacheMiss

protected void userSessionCacheMiss()

Overrides:

userSessionCacheMiss in class AbstractCachingService