com.communote.server.core.vo.query.note

Class LastDiscussionCreationDateComparator

java.lang.Object

com.communote.server.core.vo.query.note.LastDiscussionCreationDateComparator

All Implemented Interfaces:

Comparator<SimpleNoteListItem>

public class LastDiscussionCreationDateComparator
extends Object
implements Comparator<SimpleNoteListItem>

A comparator for sorting notes by the creation date of the last note of a discussion. The last note is user specific, that is, it is the latest note the current user is allowed to read.

Author:

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

Constructor Summary

Constructors

Constructor and Description
LastDiscussionCreationDateComparator(NoteService noteService) Constructor.

Method Summary

Modifier and Type	Method and Description
int	compare(SimpleNoteListItem discussion1, SimpleNoteListItem discussion2)
long	getLastDiscussionCreationTime(SimpleNoteListItem rootNote)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

LastDiscussionCreationDateComparator

public LastDiscussionCreationDateComparator(NoteService noteService)

Constructor.

Parameters:

noteService - The service to be used to load discussions.

Method Detail

compare

public int compare(SimpleNoteListItem discussion1,
                   SimpleNoteListItem discussion2)

Specified by:

compare in interface Comparator<SimpleNoteListItem>

Returns:

• -1, if the first discussion has a greater last discussion creation date then the second one.
• 0, if both discussions have the same creation date.
• 1, if the fist discussion has a smaller last discussion creation date then the second one.

getLastDiscussionCreationTime

public long getLastDiscussionCreationTime(SimpleNoteListItem rootNote)

Parameters:

rootNote - Root note of the discussion.

Returns:

The last discussion creation date as long.