Congegni/sintonia
7
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

modified the WebStorageClient to keep a cache of the playlists which are

Browse source 
currently being edited
This commit is contained in:
fgerlits 2005-01-15 12:07:09 +00:00
parent 72387302c0
commit 5a749c7977
4 changed files with 73 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

29
livesupport/modules/storage/src/WebStorageClient.h
View file

@ -22,7 +22,7 @@
Author : $Author: fgerlits $
Version : $Revision: 1.18 $
Version : $Revision: 1.19 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storage/src/WebStorageClient.h,v $
------------------------------------------------------------------------------*/
@ -99,7 +99,7 @@ using namespace LiveSupport::Core;
* </code></pre>
*
* @author $Author: fgerlits $
* @version $Revision: 1.18 $
* @version $Revision: 1.19 $
*/
class WebStorageClient :
virtual public Configurable,
@ -131,6 +131,18 @@ class WebStorageClient :
*/
std::string storageServerPath;
/**
* The type for the list of playlists which are currently being edited
*/
typedef std::map<const UniqueId::IdType,
std::pair<Ptr<SessionId>::Ref, Ptr<Playlist>::Ref> >
EditedPlaylistsType;
/**
* The list of playlists which are currently being edited
*/
EditedPlaylistsType editedPlaylists;
/**
* Auxilliary method used by editPlaylist() and createPlaylist().
* Opens the playlist for editing, and returns its URL.
@ -215,7 +227,12 @@ class WebStorageClient :
/**
* Return a playlist with the specified id to be displayed.
* If the playlist is being edited, its last saved state is returned.
* If the playlist is being edited, and this method is called
* by the same user who is editing the playlist,
* (i.e., the method is called with the same sessionId and playlistId
* that editPlaylist() was), then the working copy of the playlist
* is returned.
* Any other user gets the old (pre-editPlaylist()) copy from storage.
*
* @param sessionId the session ID from the authentication client
* @param id the id of the playlist to return.
@ -235,6 +252,10 @@ class WebStorageClient :
* This puts a lock on the playlist, and nobody else can edit it
* until we release it using savePlaylist().
*
* This method creates a working copy of the playlist, which will
* be returned by getPlaylist() if it is called with the same
* sessionId and playlistId, until we call savePlaylist().
*
* @param sessionId the session ID from the authentication client
* @param id the id of the playlist to return.
* @return the requested playlist.
@ -252,6 +273,8 @@ class WebStorageClient :
* Can only be called after we obtained a lock on the playlist using
* editPlaylist(); this method releases the lock.
*
* This method destroys the working copy created by editPlaylist().
*
* @param sessionId the session ID from the authentication client
* @param playlist the playlist to save.
* @exception XmlRpcException if there is a problem with the XML-RPC