Method duplicate

src/main/java/gate/corpora/CorpusImpl.java:739–747

Custom duplication for a corpus - duplicate this corpus in the usual way, then duplicate the documents in this corpus and add them to the duplicate.

(Factory.DuplicationContext ctx)

   * to the duplicate.
   */
  @Override
  public Resource duplicate(Factory.DuplicationContext ctx)
          throws ResourceInstantiationException {
    Corpus newCorpus = (Corpus)Factory.defaultDuplicate(this, ctx);
    for(Document d : this) {
      newCorpus.add((Document)Factory.duplicate(d, ctx));
    }
    return newCorpus;
  }

  /** Freeze the serialization UID. */
  static final long serialVersionUID = -1113142759053898456L;