Immutable class with Builder generated by immutables fw

package com.vertigo.resolver.apple.entity;

import java.time.LocalDate;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import javax.annotation.Generated;

/**
 * Corresponds to {@code vertigo_apple_epf_db.public.song}
 */
@SuppressWarnings({"all"})
@Generated({"Immutables.generator", "AbstractSong"})
public final class Song implements AbstractSong {
  private final SongId songId;
  private final String name;
  private final String titleVersion;
  private final String searchTerms;
  private final Integer parentalAdvisoryId;
  private final String artistDisplayName;
  private final String collectionDisplayName;
  private final String viewUrl;
  private final LocalDate originalReleaseDate;
  private final LocalDate itunesReleaseDate;
  private final String trackLength;
  private final String copyright;
  private final String pLine;
  private final String previewUrl;
  private final String previewLength;
  private final Long exportDate;

  private Song(
      SongId songId,
      String name,
      String titleVersion,
      String searchTerms,
      Integer parentalAdvisoryId,
      String artistDisplayName,
      String collectionDisplayName,
      String viewUrl,
      LocalDate originalReleaseDate,
      LocalDate itunesReleaseDate,
      String trackLength,
      String copyright,
      String pLine,
      String previewUrl,
      String previewLength,
      Long exportDate) {
    this.songId = songId;
    this.name = name;
    this.titleVersion = titleVersion;
    this.searchTerms = searchTerms;
    this.parentalAdvisoryId = parentalAdvisoryId;
    this.artistDisplayName = artistDisplayName;
    this.collectionDisplayName = collectionDisplayName;
    this.viewUrl = viewUrl;
    this.originalReleaseDate = originalReleaseDate;
    this.itunesReleaseDate = itunesReleaseDate;
    this.trackLength = trackLength;
    this.copyright = copyright;
    this.pLine = pLine;
    this.previewUrl = previewUrl;
    this.previewLength = previewLength;
    this.exportDate = exportDate;
  }

  /**
   * @return The value of the {@code songId} attribute
   */
  @Override
  public SongId songId() {
    return songId;
  }

  /**
   * @return The value of the {@code name} attribute
   */
  @Override
  public String name() {
    return name;
  }

  /**
   * @return The value of the {@code titleVersion} attribute
   */
  @Override
  public Optional<String> titleVersion() {
    return Optional.ofNullable(titleVersion);
  }

  /**
   * @return The value of the {@code searchTerms} attribute
   */
  @Override
  public Optional<String> searchTerms() {
    return Optional.ofNullable(searchTerms);
  }

  /**
   * @return The value of the {@code parentalAdvisoryId} attribute
   */
  @Override
  public Integer parentalAdvisoryId() {
    return parentalAdvisoryId;
  }

  /**
   * @return The value of the {@code artistDisplayName} attribute
   */
  @Override
  public String artistDisplayName() {
    return artistDisplayName;
  }

  /**
   * @return The value of the {@code collectionDisplayName} attribute
   */
  @Override
  public String collectionDisplayName() {
    return collectionDisplayName;
  }

  /**
   * @return The value of the {@code viewUrl} attribute
   */
  @Override
  public String viewUrl() {
    return viewUrl;
  }

  /**
   * @return The value of the {@code originalReleaseDate} attribute
   */
  @Override
  public LocalDate originalReleaseDate() {
    return originalReleaseDate;
  }

  /**
   * @return The value of the {@code itunesReleaseDate} attribute
   */
  @Override
  public LocalDate itunesReleaseDate() {
    return itunesReleaseDate;
  }

  /**
   * @return The value of the {@code trackLength} attribute
   */
  @Override
  public String trackLength() {
    return trackLength;
  }

  /**
   * @return The value of the {@code copyright} attribute
   */
  @Override
  public String copyright() {
    return copyright;
  }

  /**
   * @return The value of the {@code pLine} attribute
   */
  @Override
  public String pLine() {
    return pLine;
  }

  /**
   * @return The value of the {@code previewUrl} attribute
   */
  @Override
  public String previewUrl() {
    return previewUrl;
  }

  /**
   * @return The value of the {@code previewLength} attribute
   */
  @Override
  public String previewLength() {
    return previewLength;
  }

  /**
   * @return The value of the {@code exportDate} attribute
   */
  @Override
  public Long exportDate() {
    return exportDate;
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#songId() songId} attribute.
   * A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for songId
   * @return A modified copy of the {@code this} object
   */
  public final Song withSongId(SongId value) {
    if (this.songId == value) return this;
    SongId newValue = Objects.requireNonNull(value, "songId");
    return new Song(
        newValue,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#name() name} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for name
   * @return A modified copy of the {@code this} object
   */
  public final Song withName(String value) {
    if (this.name.equals(value)) return this;
    String newValue = Objects.requireNonNull(value, "name");
    return new Song(
        this.songId,
        newValue,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a <i>present</i> value for the optional {@link AbstractSong#titleVersion() titleVersion} attribute.
   * @param value The value for titleVersion
   * @return A modified copy of {@code this} object
   */
  public final Song withTitleVersion(String value) {
    String newValue = Objects.requireNonNull(value, "titleVersion");
    if (Objects.equals(this.titleVersion, newValue)) return this;
    return new Song(
        this.songId,
        this.name,
        newValue,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting an optional value for the {@link AbstractSong#titleVersion() titleVersion} attribute.
   * An equality check is used on inner nullable value to prevent copying of the same value by returning {@code this}.
   * @param optional A value for titleVersion
   * @return A modified copy of {@code this} object
   */
  public final Song withTitleVersion(Optional<String> optional) {
    String value = optional.orElse(null);
    if (Objects.equals(this.titleVersion, value)) return this;
    return new Song(
        this.songId,
        this.name,
        value,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a <i>present</i> value for the optional {@link AbstractSong#searchTerms() searchTerms} attribute.
   * @param value The value for searchTerms
   * @return A modified copy of {@code this} object
   */
  public final Song withSearchTerms(String value) {
    String newValue = Objects.requireNonNull(value, "searchTerms");
    if (Objects.equals(this.searchTerms, newValue)) return this;
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        newValue,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting an optional value for the {@link AbstractSong#searchTerms() searchTerms} attribute.
   * An equality check is used on inner nullable value to prevent copying of the same value by returning {@code this}.
   * @param optional A value for searchTerms
   * @return A modified copy of {@code this} object
   */
  public final Song withSearchTerms(Optional<String> optional) {
    String value = optional.orElse(null);
    if (Objects.equals(this.searchTerms, value)) return this;
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        value,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#parentalAdvisoryId() parentalAdvisoryId} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for parentalAdvisoryId
   * @return A modified copy of the {@code this} object
   */
  public final Song withParentalAdvisoryId(Integer value) {
    if (this.parentalAdvisoryId.equals(value)) return this;
    Integer newValue = Objects.requireNonNull(value, "parentalAdvisoryId");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        newValue,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#artistDisplayName() artistDisplayName} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for artistDisplayName
   * @return A modified copy of the {@code this} object
   */
  public final Song withArtistDisplayName(String value) {
    if (this.artistDisplayName.equals(value)) return this;
    String newValue = Objects.requireNonNull(value, "artistDisplayName");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        newValue,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#collectionDisplayName() collectionDisplayName} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for collectionDisplayName
   * @return A modified copy of the {@code this} object
   */
  public final Song withCollectionDisplayName(String value) {
    if (this.collectionDisplayName.equals(value)) return this;
    String newValue = Objects.requireNonNull(value, "collectionDisplayName");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        newValue,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#viewUrl() viewUrl} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for viewUrl
   * @return A modified copy of the {@code this} object
   */
  public final Song withViewUrl(String value) {
    if (this.viewUrl.equals(value)) return this;
    String newValue = Objects.requireNonNull(value, "viewUrl");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        newValue,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#originalReleaseDate() originalReleaseDate} attribute.
   * A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for originalReleaseDate
   * @return A modified copy of the {@code this} object
   */
  public final Song withOriginalReleaseDate(LocalDate value) {
    if (this.originalReleaseDate == value) return this;
    LocalDate newValue = Objects.requireNonNull(value, "originalReleaseDate");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        newValue,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#itunesReleaseDate() itunesReleaseDate} attribute.
   * A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for itunesReleaseDate
   * @return A modified copy of the {@code this} object
   */
  public final Song withItunesReleaseDate(LocalDate value) {
    if (this.itunesReleaseDate == value) return this;
    LocalDate newValue = Objects.requireNonNull(value, "itunesReleaseDate");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        newValue,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#trackLength() trackLength} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for trackLength
   * @return A modified copy of the {@code this} object
   */
  public final Song withTrackLength(String value) {
    if (this.trackLength.equals(value)) return this;
    String newValue = Objects.requireNonNull(value, "trackLength");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        newValue,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#copyright() copyright} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for copyright
   * @return A modified copy of the {@code this} object
   */
  public final Song withCopyright(String value) {
    if (this.copyright.equals(value)) return this;
    String newValue = Objects.requireNonNull(value, "copyright");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        newValue,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#pLine() pLine} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for pLine
   * @return A modified copy of the {@code this} object
   */
  public final Song withPLine(String value) {
    if (this.pLine.equals(value)) return this;
    String newValue = Objects.requireNonNull(value, "pLine");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        newValue,
        this.previewUrl,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#previewUrl() previewUrl} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for previewUrl
   * @return A modified copy of the {@code this} object
   */
  public final Song withPreviewUrl(String value) {
    if (this.previewUrl.equals(value)) return this;
    String newValue = Objects.requireNonNull(value, "previewUrl");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        newValue,
        this.previewLength,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#previewLength() previewLength} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for previewLength
   * @return A modified copy of the {@code this} object
   */
  public final Song withPreviewLength(String value) {
    if (this.previewLength.equals(value)) return this;
    String newValue = Objects.requireNonNull(value, "previewLength");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        newValue,
        this.exportDate);
  }

  /**
   * Copy the current immutable object by setting a value for the {@link AbstractSong#exportDate() exportDate} attribute.
   * An equals check used to prevent copying of the same value by returning {@code this}.
   * @param value A new value for exportDate
   * @return A modified copy of the {@code this} object
   */
  public final Song withExportDate(Long value) {
    if (this.exportDate.equals(value)) return this;
    Long newValue = Objects.requireNonNull(value, "exportDate");
    return new Song(
        this.songId,
        this.name,
        this.titleVersion,
        this.searchTerms,
        this.parentalAdvisoryId,
        this.artistDisplayName,
        this.collectionDisplayName,
        this.viewUrl,
        this.originalReleaseDate,
        this.itunesReleaseDate,
        this.trackLength,
        this.copyright,
        this.pLine,
        this.previewUrl,
        this.previewLength,
        newValue);
  }

  /**
   * This instance is equal to all instances of {@code Song} that have equal attribute values.
   * @return {@code true} if {@code this} is equal to {@code another} instance
   */
  @Override
  public boolean equals(Object another) {
    if (this == another) return true;
    return another instanceof Song
        && equalTo((Song) another);
  }

  private boolean equalTo(Song another) {
    return songId.equals(another.songId)
        && name.equals(another.name)
        && Objects.equals(titleVersion, another.titleVersion)
        && Objects.equals(searchTerms, another.searchTerms)
        && parentalAdvisoryId.equals(another.parentalAdvisoryId)
        && artistDisplayName.equals(another.artistDisplayName)
        && collectionDisplayName.equals(another.collectionDisplayName)
        && viewUrl.equals(another.viewUrl)
        && originalReleaseDate.equals(another.originalReleaseDate)
        && itunesReleaseDate.equals(another.itunesReleaseDate)
        && trackLength.equals(another.trackLength)
        && copyright.equals(another.copyright)
        && pLine.equals(another.pLine)
        && previewUrl.equals(another.previewUrl)
        && previewLength.equals(another.previewLength)
        && exportDate.equals(another.exportDate);
  }

  /**
   * Computes a hash code from attributes: {@code songId}, {@code name}, {@code titleVersion}, {@code searchTerms}, {@code parentalAdvisoryId}, {@code artistDisplayName}, {@code collectionDisplayName}, {@code viewUrl}, {@code originalReleaseDate}, {@code itunesReleaseDate}, {@code trackLength}, {@code copyright}, {@code pLine}, {@code previewUrl}, {@code previewLength}, {@code exportDate}.
   * @return hashCode value
   */
  @Override
  public int hashCode() {
    int h = 31;
    h = h * 17 + songId.hashCode();
    h = h * 17 + name.hashCode();
    h = h * 17 + Objects.hashCode(titleVersion);
    h = h * 17 + Objects.hashCode(searchTerms);
    h = h * 17 + parentalAdvisoryId.hashCode();
    h = h * 17 + artistDisplayName.hashCode();
    h = h * 17 + collectionDisplayName.hashCode();
    h = h * 17 + viewUrl.hashCode();
    h = h * 17 + originalReleaseDate.hashCode();
    h = h * 17 + itunesReleaseDate.hashCode();
    h = h * 17 + trackLength.hashCode();
    h = h * 17 + copyright.hashCode();
    h = h * 17 + pLine.hashCode();
    h = h * 17 + previewUrl.hashCode();
    h = h * 17 + previewLength.hashCode();
    h = h * 17 + exportDate.hashCode();
    return h;
  }

  /**
   * Prints the immutable value {@code Song} with attribute values.
   * @return A string representation of the value
   */
  @Override
  public String toString() {
    StringBuilder builder = new StringBuilder("Song{");
    builder.append("songId=").append(songId);
    builder.append(", ");
    builder.append("name=").append(name);
    if (titleVersion != null) {
      builder.append(", ");
      builder.append("titleVersion=").append(titleVersion);
    }
    if (searchTerms != null) {
      builder.append(", ");
      builder.append("searchTerms=").append(searchTerms);
    }
    builder.append(", ");
    builder.append("parentalAdvisoryId=").append(parentalAdvisoryId);
    builder.append(", ");
    builder.append("artistDisplayName=").append(artistDisplayName);
    builder.append(", ");
    builder.append("collectionDisplayName=").append(collectionDisplayName);
    builder.append(", ");
    builder.append("viewUrl=").append(viewUrl);
    builder.append(", ");
    builder.append("originalReleaseDate=").append(originalReleaseDate);
    builder.append(", ");
    builder.append("itunesReleaseDate=").append(itunesReleaseDate);
    builder.append(", ");
    builder.append("trackLength=").append(trackLength);
    builder.append(", ");
    builder.append("copyright=").append(copyright);
    builder.append(", ");
    builder.append("pLine=").append(pLine);
    builder.append(", ");
    builder.append("previewUrl=").append(previewUrl);
    builder.append(", ");
    builder.append("previewLength=").append(previewLength);
    builder.append(", ");
    builder.append("exportDate=").append(exportDate);
    return builder.append("}").toString();
  }

  /**
   * Creates an immutable copy of a {@link AbstractSong} value.
   * Uses accessors to get values to initialize the new immutable instance.
   * If an instance is already immutable, it is returned as is.
   * @param instance The instance to copy
   * @return A copied immutable Song instance
   */
  public static Song copy(AbstractSong instance) {
    if (instance instanceof Song) {
      return (Song) instance;
    }
    return Song.builder()
        .from(instance)
        .build();
  }

  /**
   * Creates a builder for {@link Song Song}.
   * @return A new Song builder
   */
  public static Song.Builder builder() {
    return new Song.Builder();
  }

  /**
   * Builds instances of type {@link Song Song}.
   * Initialize attributes and then invoke the {@link #build()} method to create an
   * immutable instance.
   * <p><em>{@code Builder} is not thread-safe and generally should not be stored in a field or collection,
   * but instead used immediately to create instances.</em>
   */
  public static final class Builder {
    private static final long INIT_BIT_SONG_ID = 0x1L;
    private static final long INIT_BIT_NAME = 0x2L;
    private static final long INIT_BIT_PARENTAL_ADVISORY_ID = 0x4L;
    private static final long INIT_BIT_ARTIST_DISPLAY_NAME = 0x8L;
    private static final long INIT_BIT_COLLECTION_DISPLAY_NAME = 0x10L;
    private static final long INIT_BIT_VIEW_URL = 0x20L;
    private static final long INIT_BIT_ORIGINAL_RELEASE_DATE = 0x40L;
    private static final long INIT_BIT_ITUNES_RELEASE_DATE = 0x80L;
    private static final long INIT_BIT_TRACK_LENGTH = 0x100L;
    private static final long INIT_BIT_COPYRIGHT = 0x200L;
    private static final long INIT_BIT_P_LINE = 0x400L;
    private static final long INIT_BIT_PREVIEW_URL = 0x800L;
    private static final long INIT_BIT_PREVIEW_LENGTH = 0x1000L;
    private static final long INIT_BIT_EXPORT_DATE = 0x2000L;
    private long initBits = 0x3fffL;

    private SongId songId;
    private String name;
    private String titleVersion;
    private String searchTerms;
    private Integer parentalAdvisoryId;
    private String artistDisplayName;
    private String collectionDisplayName;
    private String viewUrl;
    private LocalDate originalReleaseDate;
    private LocalDate itunesReleaseDate;
    private String trackLength;
    private String copyright;
    private String pLine;
    private String previewUrl;
    private String previewLength;
    private Long exportDate;

    private Builder() {
    }

    /**
     * Fill a builder with attribute values from the provided {@code AbstractSong} instance.
     * Regular attribute values will be replaced with those from the given instance.
     * Absent optional values will not replace present values.
     * @param instance The instance from which to copy values
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder from(AbstractSong instance) {
      Objects.requireNonNull(instance, "instance");
      songId(instance.songId());
      name(instance.name());
      Optional<String> titleVersionOptional = instance.titleVersion();
      if (titleVersionOptional.isPresent()) {
        titleVersion(titleVersionOptional);
      }
      Optional<String> searchTermsOptional = instance.searchTerms();
      if (searchTermsOptional.isPresent()) {
        searchTerms(searchTermsOptional);
      }
      parentalAdvisoryId(instance.parentalAdvisoryId());
      artistDisplayName(instance.artistDisplayName());
      collectionDisplayName(instance.collectionDisplayName());
      viewUrl(instance.viewUrl());
      originalReleaseDate(instance.originalReleaseDate());
      itunesReleaseDate(instance.itunesReleaseDate());
      trackLength(instance.trackLength());
      copyright(instance.copyright());
      pLine(instance.pLine());
      previewUrl(instance.previewUrl());
      previewLength(instance.previewLength());
      exportDate(instance.exportDate());
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#songId() songId} attribute.
     * @param songId The value for songId
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder songId(SongId songId) {
      this.songId = Objects.requireNonNull(songId, "songId");
      initBits &= ~INIT_BIT_SONG_ID;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#name() name} attribute.
     * @param name The value for name
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder name(String name) {
      this.name = Objects.requireNonNull(name, "name");
      initBits &= ~INIT_BIT_NAME;
      return this;
    }

    /**
     * Initializes the optional value {@link AbstractSong#titleVersion() titleVersion} to titleVersion.
     * @param titleVersion The value for titleVersion
     * @return {@code this} builder for chained invocation
     */
    public final Builder titleVersion(String titleVersion) {
      this.titleVersion = Objects.requireNonNull(titleVersion, "titleVersion");
      return this;
    }

    /**
     * Initializes the optional value {@link AbstractSong#titleVersion() titleVersion} to titleVersion.
     * @param titleVersion The value for titleVersion
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder titleVersion(Optional<String> titleVersion) {
      this.titleVersion = titleVersion.orElse(null);
      return this;
    }

    /**
     * Initializes the optional value {@link AbstractSong#searchTerms() searchTerms} to searchTerms.
     * @param searchTerms The value for searchTerms
     * @return {@code this} builder for chained invocation
     */
    public final Builder searchTerms(String searchTerms) {
      this.searchTerms = Objects.requireNonNull(searchTerms, "searchTerms");
      return this;
    }

    /**
     * Initializes the optional value {@link AbstractSong#searchTerms() searchTerms} to searchTerms.
     * @param searchTerms The value for searchTerms
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder searchTerms(Optional<String> searchTerms) {
      this.searchTerms = searchTerms.orElse(null);
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#parentalAdvisoryId() parentalAdvisoryId} attribute.
     * @param parentalAdvisoryId The value for parentalAdvisoryId
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder parentalAdvisoryId(Integer parentalAdvisoryId) {
      this.parentalAdvisoryId = Objects.requireNonNull(parentalAdvisoryId, "parentalAdvisoryId");
      initBits &= ~INIT_BIT_PARENTAL_ADVISORY_ID;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#artistDisplayName() artistDisplayName} attribute.
     * @param artistDisplayName The value for artistDisplayName
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder artistDisplayName(String artistDisplayName) {
      this.artistDisplayName = Objects.requireNonNull(artistDisplayName, "artistDisplayName");
      initBits &= ~INIT_BIT_ARTIST_DISPLAY_NAME;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#collectionDisplayName() collectionDisplayName} attribute.
     * @param collectionDisplayName The value for collectionDisplayName
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder collectionDisplayName(String collectionDisplayName) {
      this.collectionDisplayName = Objects.requireNonNull(collectionDisplayName, "collectionDisplayName");
      initBits &= ~INIT_BIT_COLLECTION_DISPLAY_NAME;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#viewUrl() viewUrl} attribute.
     * @param viewUrl The value for viewUrl
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder viewUrl(String viewUrl) {
      this.viewUrl = Objects.requireNonNull(viewUrl, "viewUrl");
      initBits &= ~INIT_BIT_VIEW_URL;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#originalReleaseDate() originalReleaseDate} attribute.
     * @param originalReleaseDate The value for originalReleaseDate
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder originalReleaseDate(LocalDate originalReleaseDate) {
      this.originalReleaseDate = Objects.requireNonNull(originalReleaseDate, "originalReleaseDate");
      initBits &= ~INIT_BIT_ORIGINAL_RELEASE_DATE;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#itunesReleaseDate() itunesReleaseDate} attribute.
     * @param itunesReleaseDate The value for itunesReleaseDate
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder itunesReleaseDate(LocalDate itunesReleaseDate) {
      this.itunesReleaseDate = Objects.requireNonNull(itunesReleaseDate, "itunesReleaseDate");
      initBits &= ~INIT_BIT_ITUNES_RELEASE_DATE;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#trackLength() trackLength} attribute.
     * @param trackLength The value for trackLength
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder trackLength(String trackLength) {
      this.trackLength = Objects.requireNonNull(trackLength, "trackLength");
      initBits &= ~INIT_BIT_TRACK_LENGTH;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#copyright() copyright} attribute.
     * @param copyright The value for copyright
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder copyright(String copyright) {
      this.copyright = Objects.requireNonNull(copyright, "copyright");
      initBits &= ~INIT_BIT_COPYRIGHT;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#pLine() pLine} attribute.
     * @param pLine The value for pLine
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder pLine(String pLine) {
      this.pLine = Objects.requireNonNull(pLine, "pLine");
      initBits &= ~INIT_BIT_P_LINE;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#previewUrl() previewUrl} attribute.
     * @param previewUrl The value for previewUrl
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder previewUrl(String previewUrl) {
      this.previewUrl = Objects.requireNonNull(previewUrl, "previewUrl");
      initBits &= ~INIT_BIT_PREVIEW_URL;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#previewLength() previewLength} attribute.
     * @param previewLength The value for previewLength
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder previewLength(String previewLength) {
      this.previewLength = Objects.requireNonNull(previewLength, "previewLength");
      initBits &= ~INIT_BIT_PREVIEW_LENGTH;
      return this;
    }

    /**
     * Initializes the value for the {@link AbstractSong#exportDate() exportDate} attribute.
     * @param exportDate The value for exportDate
     * @return {@code this} builder for use in a chained invocation
     */
    public final Builder exportDate(Long exportDate) {
      this.exportDate = Objects.requireNonNull(exportDate, "exportDate");
      initBits &= ~INIT_BIT_EXPORT_DATE;
      return this;
    }

    /**
     * Builds a new {@link Song Song}.
     * @return An immutable instance of Song
     * @throws java.lang.IllegalStateException if any required attributes are missing
     */
    public Song build() {
      if (initBits != 0) {
        throw new IllegalStateException(formatRequiredAttributesMessage());
      }
      return new Song(
          songId,
          name,
          titleVersion,
          searchTerms,
          parentalAdvisoryId,
          artistDisplayName,
          collectionDisplayName,
          viewUrl,
          originalReleaseDate,
          itunesReleaseDate,
          trackLength,
          copyright,
          pLine,
          previewUrl,
          previewLength,
          exportDate);
    }

    private String formatRequiredAttributesMessage() {
      List<String> attributes = new ArrayList<String>();
      if ((initBits & INIT_BIT_SONG_ID) != 0) attributes.add("songId");
      if ((initBits & INIT_BIT_NAME) != 0) attributes.add("name");
      if ((initBits & INIT_BIT_PARENTAL_ADVISORY_ID) != 0) attributes.add("parentalAdvisoryId");
      if ((initBits & INIT_BIT_ARTIST_DISPLAY_NAME) != 0) attributes.add("artistDisplayName");
      if ((initBits & INIT_BIT_COLLECTION_DISPLAY_NAME) != 0) attributes.add("collectionDisplayName");
      if ((initBits & INIT_BIT_VIEW_URL) != 0) attributes.add("viewUrl");
      if ((initBits & INIT_BIT_ORIGINAL_RELEASE_DATE) != 0) attributes.add("originalReleaseDate");
      if ((initBits & INIT_BIT_ITUNES_RELEASE_DATE) != 0) attributes.add("itunesReleaseDate");
      if ((initBits & INIT_BIT_TRACK_LENGTH) != 0) attributes.add("trackLength");
      if ((initBits & INIT_BIT_COPYRIGHT) != 0) attributes.add("copyright");
      if ((initBits & INIT_BIT_P_LINE) != 0) attributes.add("pLine");
      if ((initBits & INIT_BIT_PREVIEW_URL) != 0) attributes.add("previewUrl");
      if ((initBits & INIT_BIT_PREVIEW_LENGTH) != 0) attributes.add("previewLength");
      if ((initBits & INIT_BIT_EXPORT_DATE) != 0) attributes.add("exportDate");
      return "Cannot build Song, some of required attributes are not set " + attributes;
    }
  }
}