content: /*
   * 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 network.aika.queue.steps;
  
  import network.aika.activations.Activation;
  import network.aika.queue.Phase;
  import network.aika.queue.Queue;
  import network.aika.queue.Timestamp;
  import network.aika.queue.Step;
  import network.aika.queue.keys.FieldQueueKey;
  import network.aika.utils.ApproximateComparisonValueUtil;
  import network.aika.utils.StringUtils;
  
  import static network.aika.queue.Phase.FIRED;
  
  /**
   *
   * @author Lukas Molzberger
   */
  public class Fired extends Step<Activation> {
  
      private final Activation act;
  
      private double net;
  
      private int sortValue;
  
      public Fired(Activation act) {
          this.act = act;
      }
  
      @Override
      public void createQueueKey(Timestamp timestamp, int round) {
          queueKey = new FieldQueueKey(
                  round,
                  getPhase(),
                  sortValue,
                  timestamp
          );
      }
  
      @Override
      public void process() {
          Activation act = getElement();
  
          act.setFired();
  
          // Only once the activation is fired, will it be visible to other neurons.
          act.getBindingSignals()
                  .values().
                  forEach(bs ->
                          bs.addActivation(act)
                  );
  
          act.linkOutgoing();
      }
  
      public void updateNet(double net) {
          this.net = net;
          sortValue = ApproximateComparisonValueUtil.convert(net);
      }
  
      @Override
      public Phase getPhase() {
          return FIRED;
      }
  
      @Override
      public Activation getElement() {
          return act;
      }
  
      @Override
      public Queue getQueue() {
          return act.getDocument();
      }
  
      @Override
      public String toString() {
          return "" + getElement() + " net:" + StringUtils.doubleToString(net);
      }
  }
  