| /* |
| * 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.trees; |
| |
| import org.apache.samoa.instances.Instance; |
| |
| /** |
| * Class that represents inactive learning node. Inactive learning node is a node which only keeps track of the observed |
| * class distribution. It does not store the statistic for splitting the node. |
| * |
| * @author Arinto Murdopo |
| * |
| */ |
| public final class InactiveLearningNode extends LearningNode { |
| |
| /** |
| * |
| */ |
| private static final long serialVersionUID = -814552382883472302L; |
| |
| public InactiveLearningNode(double[] initialClassObservation) { |
| super(initialClassObservation); |
| } |
| |
| @Override |
| public void learnFromInstance(Instance inst, ModelAggregatorProcessor proc) { |
| this.observedClassDistribution.addToValue( |
| (int) inst.classValue(), inst.weight()); |
| } |
| |
| @Override |
| double[] getClassVotes(Instance inst, ModelAggregatorProcessor map) { |
| return this.observedClassDistribution.getArrayCopy(); |
| } |
| |
| } |