How to use

addProjection

method

in

org.openrdf.query.algebra.MultiProjection

public void addProjections(Iterable<ProjectionElemList> projections) {
  for (ProjectionElemList projection : projections) {
    addProjection(projection);
  }
}

  @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;
  }
}

aProjection.addProjection(aList);