sk.baka.ambient.collection.local
Class LibraryTrackProvider

java.lang.Object
  sk.baka.ambient.collection.local.AbstractTrackProvider
      sk.baka.ambient.collection.local.LibraryTrackProvider

All Implemented Interfaces:

Closeable, Serializable, Iterator<TrackMetadataBean>, IDynamicPlaylistTrackProvider

public final class LibraryTrackProvider
extends AbstractTrackProvider

Provides tracks from the library.

Author:

Martin Vysny

See Also:

Serialized Form

Constructor Summary

LibraryTrackProvider(Random random)
Creates new library track provider.

Method Summary

protected List<TrackMetadataBean>	getAlbumTracks(String album) Fetches all tracks for given album.
protected TrackMetadataBean	getTrackFromCursor(Cursor c) Converts current row to a track bean.
protected Cursor	newCursor(boolean albums) Creates new cursor, depending on the value of albums argument.

Methods inherited from class sk.baka.ambient.collection.local.AbstractTrackProvider

close, getRandom, hasNext, next, remove, removeFromHistory, reset, setRandom

Methods inherited from class java.lang.Object

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

Constructor Detail

LibraryTrackProvider

public LibraryTrackProvider(Random random)

Creates new library track provider.

Parameters:

random - initial random value.

Method Detail

getAlbumTracks

protected List<TrackMetadataBean> getAlbumTracks(String album)

Description copied from class: AbstractTrackProvider

Fetches all tracks for given album.

Specified by:

getAlbumTracks in class AbstractTrackProvider

Parameters:

album - the album to fetch.

Returns:

track list, never null, may be empty if no such album exists. Not required to be sorted.

getTrackFromCursor

protected TrackMetadataBean getTrackFromCursor(Cursor c)

Description copied from class: AbstractTrackProvider

Converts current row to a track bean. The cursor was provided by AbstractTrackProvider.newCursor(boolean) invoked with false.

Specified by:

getTrackFromCursor in class AbstractTrackProvider

Parameters:

c - the cursor, never null, always on a valid line.

Returns:

non-null track instance.

newCursor

protected Cursor newCursor(boolean albums)

Description copied from class: AbstractTrackProvider

Creates new cursor, depending on the value of albums argument.

Specified by:

newCursor in class AbstractTrackProvider

Parameters:

albums - if true then the cursor must provide string album names only, sorted by a random order. If false then the cursor must provide tracks sorted by random order.

Returns:

cursor, not null.