org.neo4j.gds.steiner.LinkedNode Maven / Gradle / Ivy

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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.neo4j.gds.steiner;

 final class LinkedNode {

     long index;
     LinkedNode siblingLeft;
     LinkedNode siblingRight;

     LinkedNode childRight;

     private LinkedNode(long index) {
         this.index = index;
         this.siblingLeft = null;
         this.siblingRight = null;
         this.childRight = null;

     }

    void addSibling(LinkedNode linkedNode, Direction direction){
        if (Direction.LEFT==direction){
            siblingLeft = linkedNode;
        }else{
            siblingRight = linkedNode;
        }
    }
    void addChild(LinkedNode linkedNode){
        childRight = linkedNode;
    }

    static LinkedNode createChild(long index){
        return new LinkedNode(index);
    }

}