package org.nlamah.QLS.Model.Abstract; import org.nlamah.QBase.Model.QBaseNode; import org.nlamah.QLS.Interfaces.QLSVisitable; public abstract class QLSNode extends QBaseNode implements QLSVisitable { private QLSNode parentNode; public QLSNode parentNode() { return this.parentNode; } public void setParentNode(QLSNode parentElement) { this.parentNode = parentElement; } }