KohonenTrainingTask.java
- /*
- * 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.commons.math4.neuralnet.sofm;
- import java.util.Iterator;
- import org.apache.commons.math4.neuralnet.Network;
- /**
- * Trainer for Kohonen's Self-Organizing Map.
- *
- * @since 3.3
- */
- public class KohonenTrainingTask implements Runnable {
- /** SOFM to be trained. */
- private final Network net;
- /** Training data. */
- private final Iterator<double[]> featuresIterator;
- /** Update procedure. */
- private final KohonenUpdateAction updateAction;
- /**
- * Creates a (sequential) trainer for the given network.
- *
- * @param net Network to be trained with the SOFM algorithm.
- * @param featuresIterator Training data iterator.
- * @param updateAction SOFM update procedure.
- */
- public KohonenTrainingTask(Network net,
- Iterator<double[]> featuresIterator,
- KohonenUpdateAction updateAction) {
- this.net = net;
- this.featuresIterator = featuresIterator;
- this.updateAction = updateAction;
- }
- /**
- * {@inheritDoc}
- */
- @Override
- public void run() {
- while (featuresIterator.hasNext()) {
- updateAction.update(net, featuresIterator.next());
- }
- }
- }