com.communote.server.core.blog

Class DiscussionDetailsRetriever

java.lang.Object

com.communote.server.core.blog.DiscussionDetailsRetriever

All Implemented Interfaces:

EventListener<DiscussionChangedEvent>

public class DiscussionDetailsRetriever
extends Object
implements EventListener<DiscussionChangedEvent>

Author:

Communote GmbH - http://www.communote.com/

Constructor Summary

Constructors

Constructor and Description
DiscussionDetailsRetriever(NoteDao noteDao) Creates a new instance of the retriever

Method Summary

Modifier and Type	Method and Description
List<SimpleNoteListItem>	getCommentsInDiscussion(Long discussionId, User user) Returns the notes in a discussion.
int	getDiscussionNoteCount(Long discussionId, User user) Returns the number of notes in a discussion.
Class<DiscussionChangedEvent>	getObservedEvent() Defines the types of events about which this listener will be informed.
int	getReplyCount(Note note) Returns the number of replies to a note.
void	handle(DiscussionChangedEvent event) Is called by the EventDispatcher when the observed event was fired.

Methods inherited from class java.lang.Object

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

Constructor Detail

DiscussionDetailsRetriever

public DiscussionDetailsRetriever(NoteDao noteDao)

Creates a new instance of the retriever

Parameters:

noteDao - the note DAO

Method Detail

getCommentsInDiscussion

public List<SimpleNoteListItem> getCommentsInDiscussion(Long discussionId,
                                                        User user)

Returns the notes in a discussion. Notes the provided user is not allowed to read, i.e. direct messages that were not sent to that user, are not included. The root note of the discussion is ignored. It is assumed that the provided user has read access to the blog.

Parameters:

discussionId - the ID of the discussion for which the notes should be returned

user - the user to test for access right, can be null for instance in anonymous access use-case

Returns:

the notes in the discussion

getDiscussionNoteCount

public int getDiscussionNoteCount(Long discussionId,
                                  User user)

Returns the number of notes in a discussion. Notes the provided user is not allowed to read, i.e. direct messages that were not sent to that user, are not included. It is assumed that the provided user has read access to the blog.

Parameters:

discussionId - the ID of the discussion for which the notes should be returned

user - the user to test for access right, can be null for instance in anonymous access use-case

Returns:

the number of notes in the discussion

getObservedEvent

public Class<DiscussionChangedEvent> getObservedEvent()

Defines the types of events about which this listener will be informed.

Specified by:

getObservedEvent in interface EventListener<DiscussionChangedEvent>

Returns:

the class of the observed event

getReplyCount

public int getReplyCount(Note note)

Returns the number of replies to a note. This includes replies on replies and also replies that are direct messages which the user might not be able to read.

Parameters:

note - the note for which the number of replies should be returned

Returns:

the number of replies

handle

public void handle(DiscussionChangedEvent event)

Is called by the EventDispatcher when the observed event was fired.

Specified by:

handle in interface EventListener<DiscussionChangedEvent>

Parameters:

event - the event that was fired