/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.samoa.learners.classifiers.rules.common;

import java.util.LinkedList;

/**
 * PassiveRule is a LearningRule that update its LearningNode with the received new LearningNode.
 * 
 * @author Anh Thu Vu
 * 
 */
public class PassiveRule extends LearningRule {

  /**
	 * 
	 */
  private static final long serialVersionUID = -5551571895910530275L;

  private RulePassiveRegressionNode learningNode;

  /*
   * Constructor to turn an ActiveRule into a PassiveRule
   */
  public PassiveRule(ActiveRule rule) {
    this.nodeList = new LinkedList<>();
    for (RuleSplitNode node : rule.nodeList) {
      this.nodeList.add(node.getACopy());
    }

    this.learningNode = new RulePassiveRegressionNode(rule.getLearningNode());
    this.ruleNumberID = rule.ruleNumberID;
  }

  @Override
  public RuleRegressionNode getLearningNode() {
    return this.learningNode;
  }

  @Override
  public void setLearningNode(RuleRegressionNode learningNode) {
    this.learningNode = (RulePassiveRegressionNode) learningNode;
  }

  /*
   * MOA GUI
   */
  @Override
  public void getDescription(StringBuilder sb, int indent) {
    // TODO Auto-generated method stub
  }
}