Dimakl / YALEP

public class ExpressionTreeNode {

    NodeType type;

    String nodeText;

    Boolean isNegated;

    ExpressionTreeNode next;

    Integer boxStartX;

    Integer boxStartY;

    Boolean occupied = false;

    // конструктор поменять

    public ExpressionTreeNode(ParseTree node, Boolean isNegated, NodeType nodeType, ExpressionTreeNode next) {

        this.type = nodeType;

        this.next = next;

        this.nodeText = node.getText();

        this.isNegated = isNegated;

    }

    public enum NodeType {

        VARIABLE,

        OR,

        AND,

        PARENS,

        XOR