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.misc.direction;
  
  import network.aika.Model;
  import network.aika.activations.Activation;
  import network.aika.activations.Link;
  import network.aika.neurons.Neuron;
  import network.aika.neurons.Synapse;
  import network.aika.bindingsignal.BSType;
  import network.aika.bindingsignal.Transition;
  
  import java.io.DataInput;
  import java.io.DataOutput;
  import java.io.IOException;
  
  /**
   *
   * @author Lukas Molzberger
   */
  public interface Direction {
      Direction INPUT = new Input();
      Direction OUTPUT = new Output();
  
      Direction invert();
  
      <I> I getInput(I from, I to);
  
      <O> O getOutput(O from, O to);
  
      Neuron getNeuron(Model m, Synapse s);
  
      Activation getActivation(Link l);
  
      int getOrder();
  
      BSType transition(BSType s, Transition[] t);
  
      void write(DataOutput out) throws IOException;
  
      static Direction read(DataInput in) throws IOException {
          return in.readBoolean() ? OUTPUT : INPUT;
      }
  }
  