de.gwdg.metadataqa.marc.definition.controlpositions.leader.Leader19 Maven / Gradle / Ivy

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package de.gwdg.metadataqa.marc.definition.controlpositions.leader;

import de.gwdg.metadataqa.marc.Utils;
import de.gwdg.metadataqa.marc.definition.structure.ControlfieldPositionDefinition;

import java.util.Arrays;

import static de.gwdg.metadataqa.marc.definition.FRBRFunction.ManagementProcess;

/**
 * Multipart resource record level
 * https://www.loc.gov/marc/bibliographic/bdleader.html
 */
public class Leader19 extends ControlfieldPositionDefinition {
  private static Leader19 uniqueInstance;

  private Leader19() {
    initialize();
    extractValidCodes();
  }

  public static Leader19 getInstance() {
    if (uniqueInstance == null)
      uniqueInstance = new Leader19();
    return uniqueInstance;
  }

  private void initialize() {
    label = "Multipart resource record level";
    id = "leader19";
    mqTag = "multipartResourceRecordLevel";
    positionStart = 19;
    positionEnd = 20;
    descriptionUrl = "https://www.loc.gov/marc/bibliographic/bdleader.html";
    codes = Utils.generateCodes(
      " ", "Not specified or not applicable",
      "a", "Set",
      "b", "Part with independent title",
      "c", "Part with dependent title"
    );
    functions = Arrays.asList(ManagementProcess);

    historicalCodes = Utils.generateCodes(
      "r", "Linked record requirement [OBSOLETE, 2007]",
      "2", "Open entry for a collection [OBSOLETE, 1984] [CAN/MARC only]"
    );
  }
}