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package org.hackreduce.models;
import org.apache.hadoop.io.Text;
/**
* Model created in order to access a record from the million song dataset (TSV format) in Java. Getters
* and setters are present for every field.
*
* The TSV format of the dataset was converted by Echo Nest for HackReduce, so it might not be present for
* download on the site.
*
* @see http://labrosa.ee.columbia.edu/millionsong/pages/getting-dataset
*
* @author greg
*
*/
public class MSD {
public static String LIST_SEPARATOR = ",";
private String trackId;
private int analysisSampleRate;
private int artist7DigitalId;
private double artistFamiliarity;
private double artistHotness;
private String artistId;
private double artistLatitude;
private String artistLocation;
private double artistLongitude;
private String artistMbid;
private String[] artistMbtags;
private int artistMbTagsCount;
private String artistName;
private int artistPlaymeid;
private String[] artistTerms;
private double[] artistTermsFreq;
private double[] artistTermsWeight;
private String audioMd5;
private double[] barsConfidence;
private double[] barsStart;
private double[] beatsConfidence;
private double[] beatsStart;
private double danceability;
private double duration;
private double endOfFadeIn;
private double energy;
private int key;
private double keyConfidence;
private double loudness;
private int mode;
private double modeConfidence;
private String release;
private int release7digitalid;
private double[] sectionsConfidence;
private double[] sectionsStart;
private double[] segmentsConfidence;
private double[] segmentsLoudnessMax;
private double[] segmentsLoudnessMaxTime;
private double[] segmentsLoudnessStart;
private double[] segmentsPitches;
private double[] segmentsStart;
private double[] segmentsTimbre;
private String[] similarArtists;
private double songHotness;
private String songId;
private double startOfFadeOut;
private double[] tatumsConfidence;
private double[] tatumsStart;
private double tempo;
private int timeSignature;
private double timeSignatureConfidence;
private String title;
private int track7digitalid;
private int year;
public MSD(String inputString) {
String[] fields = inputString.split("\t");
if (fields.length != 54)
throw new IllegalArgumentException("Input string given did not match the expected MSD tsv format");
setTrackId(fields[0]);
setAnalysisSampleRate(parseInt(fields[1]));
setArtist7DigitalId(parseInt(fields[2]));
setArtistFamiliarity(parseDouble(fields[3]));
setArtistHotness(parseDouble(fields[4]));
setArtistId(fields[5]);
setArtistLatitude(parseDouble(fields[6]));
setArtistLocation(fields[7]);
setArtistLongitude(parseDouble(fields[8]));
setArtistMbid(fields[9]);
setArtistMbtags(fields[10].split(LIST_SEPARATOR));
setArtistMbTagsCount(parseInt(fields[11]));
setArtistName(fields[12]);
setArtistPlaymeid(parseInt(fields[13]));
setArtistTerms(fields[14].split(LIST_SEPARATOR));
setArtistTermsFreq(parseDoubleArray(fields[15]));
setArtistTermsWeight(parseDoubleArray(fields[16]));
setAudioMd5(fields[17]);
setBarsConfidence(parseDoubleArray(fields[18]));
setBarsStart(parseDoubleArray(fields[19]));
setBeatsConfidence(parseDoubleArray(fields[20]));
setBeatsStart(parseDoubleArray(fields[21]));
setDanceability(parseDouble(fields[22]));
setDuration(parseDouble(fields[23]));
setEndOfFadeIn(parseDouble(fields[24]));
setEnergy(parseDouble(fields[25]));
setKey(parseInt(fields[26]));
setKeyConfidence(parseDouble(fields[27]));
setLoudness(parseDouble(fields[28]));
setMode(parseInt(fields[29]));
setModeConfidence(parseDouble(fields[30]));
setRelease(fields[31]);
setRelease7digitalid(parseInt(fields[32]));
setSectionsConfidence(parseDoubleArray(fields[33]));
setSectionsStart(parseDoubleArray(fields[34]));
setSegmentsConfidence(parseDoubleArray(fields[35]));
setSegmentsLoudnessMax(parseDoubleArray(fields[36]));
setSegmentsLoudnessMaxTime(parseDoubleArray(fields[37]));
setSegmentsLoudnessStart(parseDoubleArray(fields[38]));
setSegmentsPitches(parseDoubleArray(fields[39]));
setSegmentsStart(parseDoubleArray(fields[40]));
setSegmentsTimbre(parseDoubleArray(fields[41]));
setSimilarArtists(fields[42].split(LIST_SEPARATOR));
setSongHotness(parseDouble(fields[43]));
setSongId(fields[44]);
setStartOfFadeOut(parseDouble(fields[45]));
setTatumsConfidence(parseDoubleArray(fields[46]));
setTatumsStart(parseDoubleArray(fields[47]));
setTempo(parseDouble(fields[48]));
setTimeSignature(parseInt(fields[49]));
setTimeSignatureConfidence(parseDouble(fields[50]));
setTitle(fields[51]);
setTrack7digitalid(parseInt(fields[52]));
setYear(parseInt(fields[53]));
}
public MSD(Text inputText) {
this(inputText.toString());
}
public String getTrackId() {
return trackId;
}
public void setTrackId(String trackId) {
this.trackId = trackId;
}
public int getAnalysisSampleRate() {
return analysisSampleRate;
}
public void setAnalysisSampleRate(int analysisSampleRate) {
this.analysisSampleRate = analysisSampleRate;
}
public int getArtist7DigitalId() {
return artist7DigitalId;
}
public void setArtist7DigitalId(int artist7DigitalId) {
this.artist7DigitalId = artist7DigitalId;
}
public double getArtistFamiliarity() {
return artistFamiliarity;
}
public void setArtistFamiliarity(double artistFamiliarity) {
this.artistFamiliarity = artistFamiliarity;
}
public double getArtistHotness() {
return artistHotness;
}
public void setArtistHotness(double artistHotness) {
this.artistHotness = artistHotness;
}
public String getArtistId() {
return artistId;
}
public void setArtistId(String artistId) {
this.artistId = artistId;
}
public double getArtistLatitude() {
return artistLatitude;
}
public void setArtistLatitude(double artistLatitude) {
this.artistLatitude = artistLatitude;
}
public String getArtistLocation() {
return artistLocation;
}
public void setArtistLocation(String artistLocation) {
this.artistLocation = artistLocation;
}
public double getArtistLongitude() {
return artistLongitude;
}
public void setArtistLongitude(double artistLongitude) {
this.artistLongitude = artistLongitude;
}
public String getArtistMbid() {
return artistMbid;
}
public void setArtistMbid(String artistMbid) {
this.artistMbid = artistMbid;
}
public String[] getArtistMbtags() {
return artistMbtags;
}
public void setArtistMbtags(String[] artistMbtags) {
this.artistMbtags = artistMbtags;
}
public int getArtistMbTagsCount() {
return artistMbTagsCount;
}
public void setArtistMbTagsCount(int artistMbTagsCount) {
this.artistMbTagsCount = artistMbTagsCount;
}
public String getArtistName() {
return artistName;
}
public void setArtistName(String artistName) {
this.artistName = artistName;
}
public int getArtistPlaymeid() {
return artistPlaymeid;
}
public void setArtistPlaymeid(int artistPlaymeid) {
this.artistPlaymeid = artistPlaymeid;
}
public String[] getArtistTerms() {
return artistTerms;
}
public void setArtistTerms(String[] artistTerms) {
this.artistTerms = artistTerms;
}
public double[] getArtistTermsFreq() {
return artistTermsFreq;
}
public void setArtistTermsFreq(double[] artistTermsFreq) {
this.artistTermsFreq = artistTermsFreq;
}
public double[] getArtistTermsWeight() {
return artistTermsWeight;
}
public void setArtistTermsWeight(double[] artistTermsWeight) {
this.artistTermsWeight = artistTermsWeight;
}
public String getAudioMd5() {
return audioMd5;
}
public void setAudioMd5(String audioMd5) {
this.audioMd5 = audioMd5;
}
public double[] getBarsConfidence() {
return barsConfidence;
}
public void setBarsConfidence(double[] barsConfidence) {
this.barsConfidence = barsConfidence;
}
public double[] getBarsStart() {
return barsStart;
}
public void setBarsStart(double[] barsStart) {
this.barsStart = barsStart;
}
public double[] getBeatsConfidence() {
return beatsConfidence;
}
public void setBeatsConfidence(double[] beatsConfidence) {
this.beatsConfidence = beatsConfidence;
}
public double[] getBeatsStart() {
return beatsStart;
}
public void setBeatsStart(double[] beatsStart) {
this.beatsStart = beatsStart;
}
public double getDanceability() {
return danceability;
}
public void setDanceability(double danceability) {
this.danceability = danceability;
}
public double getDuration() {
return duration;
}
public void setDuration(double duration) {
this.duration = duration;
}
public double getEndOfFadeIn() {
return endOfFadeIn;
}
public void setEndOfFadeIn(double endOfFadeIn) {
this.endOfFadeIn = endOfFadeIn;
}
public double getEnergy() {
return energy;
}
public void setEnergy(double energy) {
this.energy = energy;
}
public int getKey() {
return key;
}
public void setKey(int key) {
this.key = key;
}
public double getKeyConfidence() {
return keyConfidence;
}
public void setKeyConfidence(double keyConfidence) {
this.keyConfidence = keyConfidence;
}
public double getLoudness() {
return loudness;
}
public void setLoudness(double loudness) {
this.loudness = loudness;
}
public int getMode() {
return mode;
}
public void setMode(int mode) {
this.mode = mode;
}
public double getModeConfidence() {
return modeConfidence;
}
public void setModeConfidence(double modeConfidence) {
this.modeConfidence = modeConfidence;
}
public String getRelease() {
return release;
}
public void setRelease(String release) {
this.release = release;
}
public int getRelease7digitalid() {
return release7digitalid;
}
public void setRelease7digitalid(int release7digitalid) {
this.release7digitalid = release7digitalid;
}
public double[] getSectionsConfidence() {
return sectionsConfidence;
}
public void setSectionsConfidence(double[] sectionsConfidence) {
this.sectionsConfidence = sectionsConfidence;
}
public double[] getSectionsStart() {
return sectionsStart;
}
public void setSectionsStart(double[] sectionsStart) {
this.sectionsStart = sectionsStart;
}
public double[] getSegmentsConfidence() {
return segmentsConfidence;
}
public void setSegmentsConfidence(double[] segmentsConfidence) {
this.segmentsConfidence = segmentsConfidence;
}
public double[] getSegmentsLoudnessMax() {
return segmentsLoudnessMax;
}
public void setSegmentsLoudnessMax(double[] segmentsLoudnessMax) {
this.segmentsLoudnessMax = segmentsLoudnessMax;
}
public double[] getSegmentsLoudnessMaxTime() {
return segmentsLoudnessMaxTime;
}
public void setSegmentsLoudnessMaxTime(double[] segmentsLoudnessMaxTime) {
this.segmentsLoudnessMaxTime = segmentsLoudnessMaxTime;
}
public double[] getSegmentsLoudnessStart() {
return segmentsLoudnessStart;
}
public void setSegmentsLoudnessStart(double[] segmentsLoudnessStart) {
this.segmentsLoudnessStart = segmentsLoudnessStart;
}
public double[] getSegmentsPitches() {
return segmentsPitches;
}
public void setSegmentsPitches(double[] segmentsPitches) {
this.segmentsPitches = segmentsPitches;
}
public double[] getSegmentsStart() {
return segmentsStart;
}
public void setSegmentsStart(double[] segmentsStart) {
this.segmentsStart = segmentsStart;
}
public double[] getSegmentsTimbre() {
return segmentsTimbre;
}
public void setSegmentsTimbre(double[] segmentsTimbre) {
this.segmentsTimbre = segmentsTimbre;
}
public String[] getSimilarArtists() {
return similarArtists;
}
public void setSimilarArtists(String[] similarArtists) {
this.similarArtists = similarArtists;
}
public double getSongHotness() {
return songHotness;
}
public void setSongHotness(double songHotness) {
this.songHotness = songHotness;
}
public String getSongId() {
return songId;
}
public void setSongId(String songId) {
this.songId = songId;
}
public double getStartOfFadeOut() {
return startOfFadeOut;
}
public void setStartOfFadeOut(double startOfFadeOut) {
this.startOfFadeOut = startOfFadeOut;
}
public double[] getTatumsConfidence() {
return tatumsConfidence;
}
public void setTatumsConfidence(double[] tatumsConfidence) {
this.tatumsConfidence = tatumsConfidence;
}
public double[] getTatumsStart() {
return tatumsStart;
}
public void setTatumsStart(double[] tatumsStart) {
this.tatumsStart = tatumsStart;
}
public double getTempo() {
return tempo;
}
public void setTempo(double tempo) {
this.tempo = tempo;
}
public int getTimeSignature() {
return timeSignature;
}
public void setTimeSignature(int timeSignature) {
this.timeSignature = timeSignature;
}
public double getTimeSignatureConfidence() {
return timeSignatureConfidence;
}
public void setTimeSignatureConfidence(double timeSignatureConfidence) {
this.timeSignatureConfidence = timeSignatureConfidence;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public int getTrack7digitalid() {
return track7digitalid;
}
public void setTrack7digitalid(int track7digitalid) {
this.track7digitalid = track7digitalid;
}
public int getYear() {
return year;
}
public void setYear(int year) {
this.year = year;
}
/**
* Given a string containing comma separated values, split them up, parse them as double numbers
* and return the array that it represents.
*
* @param inputString
* @return
*/
public static double[] parseDoubleArray(String inputString) {
String[] items = inputString.split(LIST_SEPARATOR);
double[] result = new double[items.length];
int index = 0;
for (String item : items) {
if (item == null) continue;
try {
result[index++] = parseDouble(item);
} catch (NumberFormatException e) {
}
}
return result;
}
/**
* Parses the given string in order to extract the double number contained within. Defaults
* to returning {@link Double#MIN_VALUE} if none could be found, or an exception occurred while parsing.
*
* @param inputString
* @return the value as a double, or {@link Double#MIN_VALUE} if none could be parsed.
*/
public static double parseDouble(String inputString) {
try {
return Double.parseDouble(inputString);
} catch (NumberFormatException e) {
return Double.MIN_VALUE;
}
}
/**
* Parses the given string in order to extract the integer number contained within. Defaults
* to returning {@link Integer#MIN_VALUE} if none could be found, or an exception occurred while parsing.
*
* @param inputString
* @return the value as an int, or {@link Integer#MIN_VALUE} if none could be parsed.
*/
public static int parseInt(String inputString) {
try {
return Integer.parseInt(inputString);
} catch (NumberFormatException e) {
return Integer.MIN_VALUE;
}
}
}