public class TextDocProducerTriplesFK extends TextDocProducerTriples {

  final DatasetGraph dg;
  private final EntityDefinition defn ;

  public TextDocProducerTriplesFK(DatasetGraph dg, TextIndex indexer) {
    super(indexer);
    this.defn = indexer.getDocDef() ;
    this.dg = dg;
  }

  public void change(QuadAction qaction, Node g, Node s, Node p, Node o) {
    Entity entity = TextQueryFuncs.entityFromQuad(defn, g, s, p, o) ;
    if ((qaction == QuadAction.ADD || qaction == QuadAction.DELETE) && isIndexable(entity)) {
      super.change(qaction, g, s, p, o);
    }
  }

  public static boolean isIndexable(Entity entity) {
    if (entity != null) {
      String id = entity.getId();
      String[] subSplit = id.split("/");
      //Don't index PID version of facts
      if ((id.contains(TABLES_NODE_IDENTIFIER)) && subSplit[subSplit.length-1].matches("[0-9]+")) {
        return false;
      }
      //Only indexing tables, reports and ingestionObjects for now
      return id.contains(TABLES_NODE_IDENTIFIER) || id.contains(REPORTS_NODE_IDENTIFIER) ||
          id.contains(INGESTION_OBJ_NODE_IDENTIFIER);
    }
    return false;
  }
}