| /* |
| * 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.ignite.ml.genetic; |
| |
| import java.util.List; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteCache; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.compute.ComputeJobAdapter; |
| import org.apache.ignite.ml.genetic.parameter.GAGridConstants; |
| import org.apache.ignite.resources.IgniteInstanceResource; |
| import org.apache.ignite.transactions.Transaction; |
| |
| /** |
| * Responsible for performing truncate selection |
| */ |
| public class TruncateSelectionJob extends ComputeJobAdapter { |
| /** primary key of Chromosome to mutate */ |
| private Long key; |
| |
| /** primary keys of genes to be used in mutation */ |
| private List<Long> mutatedGeneKeys; |
| |
| /** Ignite instance */ |
| @IgniteInstanceResource |
| private Ignite ignite; |
| |
| /** |
| * @param key Primary key of Chromosome to mutate |
| * @param mutatedGeneKeys Primary keys of genes to be used in mutation |
| */ |
| public TruncateSelectionJob(Long key, List<Long> mutatedGeneKeys) { |
| this.key = key; |
| this.mutatedGeneKeys = mutatedGeneKeys; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Boolean execute() throws IgniteException { |
| |
| IgniteCache<Long, Chromosome> populationCache = ignite.cache(GAGridConstants.POPULATION_CACHE); |
| |
| Chromosome chromosome = populationCache.localPeek(key); |
| |
| long[] geneKeys = chromosome.getGenes(); |
| |
| for (int k = 0; k < this.mutatedGeneKeys.size(); k++) |
| geneKeys[k] = this.mutatedGeneKeys.get(k); |
| |
| chromosome.setGenes(geneKeys); |
| |
| Transaction tx = ignite.transactions().txStart(); |
| |
| populationCache.put(chromosome.id(), chromosome); |
| |
| tx.commit(); |
| |
| return Boolean.TRUE; |
| } |
| |
| } |