Package lupos.engine.operators

Examples of lupos.engine.operators.BasicOperator.visit()

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  @Override
  protected boolean checkPrecondition(final Map<String, BasicOperator> mso) {
    final BasicOperator bo = mso.get("bo");
    final FindResultOperatorVisitor frov = new FindResultOperatorVisitor();
    final Object o = bo.visit(frov);
    return !frov.found();
  }

  @Override
  public Tuple<Collection<BasicOperator>, Collection<BasicOperator>> transformOperatorGraph(
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    final Collection<BasicOperator> added = new LinkedList<BasicOperator>();
    final BasicOperator bo = mso.get("bo");
    for (final BasicOperator pred : bo.getPrecedingOperators()) {
      pred.removeSucceedingOperator(bo);
    }
    bo.visit(new SimpleOperatorGraphVisitor() {
      public Object visit(final BasicOperator basicOperator) {
        deleted.add(basicOperator);
        return null;
      }
    });
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