Java tutorial
/* --------------------------------------------------------------------- * Numenta Platform for Intelligent Computing (NuPIC) * Copyright (C) 2014, Numenta, Inc. Unless you have an agreement * with Numenta, Inc., for a separate license for this software code, the * following terms and conditions apply: * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License version 3 as * published by the Free Software Foundation. * * 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 http://www.gnu.org/licenses. * * http://numenta.org/licenses/ * --------------------------------------------------------------------- */ package org.numenta.nupic.algorithms; import java.io.IOException; import java.util.Arrays; import org.numenta.nupic.util.Tuple; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.JsonSerializer; import com.fasterxml.jackson.databind.SerializerProvider; public class CLAClassifierSerializer extends JsonSerializer<CLAClassifier> { @Override public void serialize(CLAClassifier cla, JsonGenerator jgen, SerializerProvider arg2) throws IOException, JsonProcessingException { jgen.writeStartObject(); jgen.writeNumberField("alpha", cla.alpha); jgen.writeNumberField("actValueAlpha", cla.actValueAlpha); jgen.writeNumberField("learnIteration", cla.learnIteration); jgen.writeNumberField("recordNumMinusLearnIteration", cla.recordNumMinusLearnIteration); jgen.writeNumberField("maxBucketIdx", cla.maxBucketIdx); StringBuilder sb = new StringBuilder(); for (int i : cla.steps.toArray()) { sb.append(i).append(","); } sb.setLength(sb.length() - 1); jgen.writeStringField("steps", sb.toString()); sb = new StringBuilder(); for (Tuple t : cla.patternNZHistory) { sb.append(t.get(0)).append("-").append(Arrays.toString((int[]) t.get(1))).append(";"); } sb.setLength(sb.length() - 1); jgen.writeStringField("patternNZHistory", sb.toString()); sb = new StringBuilder(); for (Tuple t : cla.activeBitHistory.keySet()) { sb.append(t.get(0)).append(",").append(t.get(1)).append("-"); BitHistory bh = cla.activeBitHistory.get(t); sb.append(bh.id).append("=").append(bh.stats).append("=").append(bh.lastTotalUpdate).append(";"); } sb.setLength(sb.length() - 1); jgen.writeStringField("activeBitHistory", sb.toString()); jgen.writeArrayFieldStart("actualValues"); for (Object o : cla.actualValues) { jgen.writeObject(o); } jgen.writeEndArray(); jgen.writeEndObject(); } }