package nl.uva.polyql.ast.values; import nl.uva.polyql.ast.Question; import nl.uva.polyql.view.QuestionView; public class InvalidValue extends Value<Object> { public InvalidValue() { super(null); } @Override public Type getType() { return Type.INVALID; } @Override public QuestionView getView(final Question question) { return null; } @Override public void setViewValue(final QuestionView view) {} }