package com.github.hakko.musiccabinet.domain.model.music;
import org.apache.commons.lang.builder.CompareToBuilder;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import com.github.hakko.musiccabinet.domain.model.library.MetaData;
public class Track implements Comparable<Track> {
private int id = -1; // TODO : start using music.track.id
private Artist artist;
private String name;
private MetaData metaData;
public Track() {
setArtist(new Artist());
}
public Track(Artist artist, String trackName) {
setArtist(artist);
setName(trackName);
}
public Track(Artist artist, int trackId, String trackName) {
setArtist(artist);
setName(trackName);
this.id = trackId;
}
public Track(String artistName, String trackName) {
setArtist(new Artist(artistName));
setName(trackName);
}
public Track(int trackId, String trackName, MetaData metaData) {
this.id = trackId;
this.artist = new Artist(metaData.getArtist());
this.name = trackName;
this.metaData = metaData;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public Artist getArtist() {
return artist;
}
public final void setArtist(Artist artist) {
if (artist == null) {
throw new IllegalArgumentException("Track artist cannot be set to null.");
}
this.artist = artist;
}
public String getName() {
return name;
}
public final void setName(String name) {
if (name == null) {
throw new IllegalArgumentException("Track name cannot be set to null.");
}
this.name = name;
}
public MetaData getMetaData() {
return metaData;
}
@Override
public int hashCode() {
return new HashCodeBuilder()
.append(artist)
.append(name)
.toHashCode();
}
@Override
public boolean equals(Object o) {
if (o == null) return false;
if (o == this) return true;
if (o.getClass() != getClass()) return false;
Track t = (Track) o;
return new EqualsBuilder()
.append(artist, t.artist)
.append(name, t.name)
.isEquals();
}
@Override
public int compareTo(Track t) {
return new CompareToBuilder()
.append(artist, t.artist)
.append(name, t.name).toComparison();
}
@Override
public String toString() {
return "track " + name + " by " + artist;
}
}