How to use

clone

method

in

org.openrdf.query.algebra.UnaryTupleOperator

  @Override
  public QueryRoot clone() {
    return (QueryRoot)super.clone();
  }
}

  @Override
  public Reduced clone() {
    return (Reduced)super.clone();
  }
}

  @Override
  public Slice clone() {
    return (Slice)super.clone();
  }
}

  @Override
  public Distinct clone() {
    return (Distinct)super.clone();
  }
}

@Override
public Service clone() {
  Service clone = (Service)super.clone();
  clone.setServiceRef(serviceRef.clone());
  return clone;
}

@Override
public Group clone() {
  Group clone = (Group)super.clone();
  clone.groupBindings = new LinkedHashSet<String>(getGroupBindingNames());
  clone.groupElements = new ArrayList<GroupElem>(getGroupElements().size());
  for (GroupElem ge : getGroupElements()) {
    clone.addGroupElement(ge.clone());
  }
  return clone;
}

  @Override
  public MultiProjection clone() {
    MultiProjection clone = (MultiProjection)super.clone();

    clone.projections = new ArrayList<ProjectionElemList>(getProjections().size());
    for (ProjectionElemList pe : getProjections()) {
      clone.addProjection(pe.clone());
    }

    return clone;
  }
}

  @Override
  public Extension clone() {
    Extension clone = (Extension)super.clone();

    clone.elements = new ArrayList<ExtensionElem>(getElements().size());
    for (ExtensionElem elem : getElements()) {
      clone.addElement(elem.clone());
    }

    return clone;
  }
}

  @Override
  public Order clone() {
    Order clone = (Order)super.clone();

    clone.elements = new ArrayList<OrderElem>(getElements().size());
    for (OrderElem elem : getElements()) {
      clone.addElement(elem.clone());
    }

    return clone;
  }
}

  @Override
  public Filter clone() {
    Filter clone = (Filter)super.clone();
    clone.setCondition(getCondition().clone());
    return clone;
  }
}

@Override
public Projection clone() {
  Projection clone = (Projection)super.clone();
  clone.setProjectionElemList(getProjectionElemList().clone());
  return clone;
}

@Override
public PeriodicQueryNode clone() {
  PeriodicQueryNode clone = (PeriodicQueryNode)super.clone();
  clone.setArg(getArg().clone());
  clone.periodDuration = periodDuration;
  clone.windowDuration = windowDuration;
  clone.unit = unit;
  clone.temporalVar = temporalVar;
  return clone;
}

@Override
protected void meetUnaryTupleOperator(UnaryTupleOperator node)
  throws RepositoryException
{
  super.meetUnaryTupleOperator(node);
  RepositoryConnection owner = getSingleOwner(node.getArg());
  if (owner != null) {
    node.replaceWith(new OwnedTupleExpr(owner, node.clone()));
  }
}

@Override
protected void meetUnaryTupleOperator(UnaryTupleOperator node)
  throws RepositoryException
{
  super.meetUnaryTupleOperator(node);
  RepositoryConnection owner = getSingleOwner(node.getArg());
  if (owner != null) {
    node.replaceWith(new OwnedTupleExpr(owner, node.clone()));
  }
}