christophedelory.playlist
Interface PlaylistVisitor

All Known Implementing Classes:

BasePlaylistVisitor, FetchContentMetadata, PlaylistToString

public interface PlaylistVisitor

A playlist hierarchy visitor.

Version:

$Revision: 92 $

Author:

Christophe Delory

See Also:

Playlist.acceptDown(christophedelory.playlist.PlaylistVisitor), Playlist.acceptUp(christophedelory.playlist.PlaylistVisitor), Parallel.acceptDown(christophedelory.playlist.PlaylistVisitor), Parallel.acceptUp(christophedelory.playlist.PlaylistVisitor), Sequence.acceptDown(christophedelory.playlist.PlaylistVisitor), Sequence.acceptUp(christophedelory.playlist.PlaylistVisitor), Media.acceptDown(christophedelory.playlist.PlaylistVisitor), Media.acceptUp(christophedelory.playlist.PlaylistVisitor)

Method Summary

void	beginVisitMedia(Media target) Starts the visit of the specified media.
void	beginVisitParallel(Parallel target) Starts the visit of the specified parallel timing container.
void	beginVisitPlaylist(Playlist target) Starts the visit of the specified playlist.
void	beginVisitSequence(Sequence target) Starts the visit of the specified sequence.
void	endVisitMedia(Media target) Finishes the visit of the specified media.
void	endVisitParallel(Parallel target) Finishes the visit of the specified parallel timing container.
void	endVisitPlaylist(Playlist target) Finishes the visit of the specified playlist.
void	endVisitSequence(Sequence target) Finishes the visit of the specified sequence.

Method Detail

beginVisitPlaylist

void beginVisitPlaylist(Playlist target)
                        throws Exception

Starts the visit of the specified playlist.

Parameters:

target - the element being visited. Shall not be null.

Throws:

NullPointerException - if target is null.

Exception - if any error occurs during the visit.

See Also:

endVisitPlaylist(christophedelory.playlist.Playlist)

endVisitPlaylist

void endVisitPlaylist(Playlist target)
                      throws Exception

Finishes the visit of the specified playlist.

Parameters:

target - the element being visited. Shall not be null.

Throws:

NullPointerException - if target is null.

Exception - if any error occurs during the visit.

See Also:

beginVisitPlaylist(christophedelory.playlist.Playlist)

beginVisitParallel

void beginVisitParallel(Parallel target)
                        throws Exception

Starts the visit of the specified parallel timing container.

Parameters:

target - the element being visited. Shall not be null.

Throws:

NullPointerException - if target is null.

Exception - if any error occurs during the visit.

See Also:

endVisitParallel(christophedelory.playlist.Parallel)

endVisitParallel

void endVisitParallel(Parallel target)
                      throws Exception

Finishes the visit of the specified parallel timing container.

Parameters:

target - the element being visited. Shall not be null.

Throws:

NullPointerException - if target is null.

Exception - if any error occurs during the visit.

See Also:

beginVisitParallel(christophedelory.playlist.Parallel)

beginVisitSequence

void beginVisitSequence(Sequence target)
                        throws Exception

Starts the visit of the specified sequence.

Parameters:

target - the element being visited. Shall not be null.

Throws:

NullPointerException - if target is null.

Exception - if any error occurs during the visit.

See Also:

endVisitSequence(christophedelory.playlist.Sequence)

endVisitSequence

void endVisitSequence(Sequence target)
                      throws Exception

Finishes the visit of the specified sequence.

Parameters:

target - the element being visited. Shall not be null.

Throws:

NullPointerException - if target is null.

Exception - if any error occurs during the visit.

See Also:

beginVisitSequence(christophedelory.playlist.Sequence)

beginVisitMedia

void beginVisitMedia(Media target)
                     throws Exception

Starts the visit of the specified media.

Parameters:

target - the element being visited. Shall not be null.

Throws:

NullPointerException - if target is null.

Exception - if any error occurs during the visit.

See Also:

endVisitMedia(christophedelory.playlist.Media)

endVisitMedia

void endVisitMedia(Media target)
                   throws Exception

Finishes the visit of the specified media.

Parameters:

target - the element being visited. Shall not be null.

Throws:

NullPointerException - if target is null.

Exception - if any error occurs during the visit.

See Also:

beginVisitMedia(christophedelory.playlist.Media)