Package yearreview.app.data.sources.audio.database

Class AudioTopListAdapter

java.lang.Object

yearreview.app.data.sources.audio.database.AudioTopListAdapter

All Implemented Interfaces:

TopListAdapter

public class AudioTopListAdapter
extends Object
implements TopListAdapter

An Adapter that transforms the data stored in an database so it can be processed by a TopListGenerator.

Author:

ColdStone37

Field Summary

Fields

Modifier and Type	Field	Description
private final Map<AudioData,TopListElement>	audioMap	Maps all AudioData object to their associated TopListElements.
private ListeningEvent	currentEvent	Events that is currently processed.
private Duration	currentEventListeningDuration	Duration of the event that was already added to the TopListElement.
private final AudioDatabase	database	Database to adapt for the TopList.
private final Iterator<ListeningEvent>	eventIterator	Iterator over the events of the database.
private final AudioData.Type	type	Type of data passed to the TopListGenerator.

Constructor Summary

Constructors

Constructor	Description
AudioTopListAdapter(AudioDatabase database, AudioData.Type type)	Constructs a AudioTopListAdapter from a given database and AudioData.Type to get the DuraitonValues for.

Method Summary

Modifier and Type	Method	Description
Collection<TopListElement>	getElements(Instant t)	Gets the Elements of the TopList with their values at a certain time.

Methods inherited from class java.lang.Object

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

Field Details

database

private final AudioDatabase database

Database to adapt for the TopList.

type

private final AudioData.Type type

Type of data passed to the TopListGenerator.

eventIterator

private final Iterator<ListeningEvent> eventIterator

Iterator over the events of the database.

currentEvent

private ListeningEvent currentEvent

Events that is currently processed.

currentEventListeningDuration

private Duration currentEventListeningDuration

Duration of the event that was already added to the TopListElement.

audioMap

private final Map<AudioData,TopListElement> audioMap

Maps all AudioData object to their associated TopListElements.

Constructor Details

AudioTopListAdapter

public AudioTopListAdapter(AudioDatabase database,
 AudioData.Type type)

Constructs a AudioTopListAdapter from a given database and AudioData.Type to get the DuraitonValues for.

Parameters:

database - database to get the data from

type - type of data to filter by

Method Details

getElements

public Collection<TopListElement> getElements(Instant t)

Gets the Elements of the TopList with their values at a certain time.

Specified by:

getElements in interface TopListAdapter

Parameters:

t - time until which all values should be added up to

Returns:

elements with their associated values