de.gwdg.metadataqa.marc.definition.controlpositions.leader.Leader07 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;

/**
 * Bibliographic level
 * https://www.loc.gov/marc/bibliographic/bdleader.html
 */
public class Leader07 extends ControlfieldPositionDefinition {
  private static Leader07 uniqueInstance;

  private Leader07() {
    initialize();
    extractValidCodes();
  }

  public static Leader07 getInstance() {
    if (uniqueInstance == null)
      uniqueInstance = new Leader07();
    return uniqueInstance;
  }

  private void initialize() {
    label = "Bibliographic level";
    id = "leader07";
    mqTag = "bibliographicLevel";
    positionStart = 7;
    positionEnd = 8;
    descriptionUrl = "https://www.loc.gov/marc/bibliographic/bdleader.html";
    codes = Utils.generateCodes(
      "a", "Monographic component part",
      "b", "Serial component part",
      "c", "Collection",
      "d", "Subunit",
      "i", "Integrating resource",
      "m", "Monograph/Item",
      "s", "Serial"
    );
    functions = Arrays.asList(ManagementProcess);

    historicalCodes = Utils.generateCodes(
      "p", "Pamphlet [OBSOLETE, 1988] [CAN/MARC only]"
    );
  }
}