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.fields.softmax;
  
  import network.aika.type.Obj;
  import network.aika.type.ObjImpl;
  import network.aika.type.TypeRegistry;
  import network.aika.type.relations.Relation;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.stream.Stream;
  
  import static network.aika.fields.softmax.SoftmaxInputType.CORRESPONDING_OUTPUT_LINK;
  import static network.aika.fields.softmax.SoftmaxInputType.INPUT_TO_NORM;
  import static network.aika.fields.softmax.SoftmaxNormType.NORM_TO_INPUT;
  import static network.aika.fields.softmax.SoftmaxNormType.NORM_TO_OUTPUT;
  
  /**
   *
   * @author Lukas Molzberger
   */
  public class SoftmaxNormObj extends ObjImpl {
  
      List<SoftmaxInputObj> inputs = new ArrayList<>();
      List<SoftmaxOutputObj> outputs = new ArrayList<>();
  
      public SoftmaxNormObj(SoftmaxNormType type) {
          super(type);
      }
  
      public static void linkObjects(SoftmaxInputObj[] inputsObjs, SoftmaxNormObj normObj) {
          for (int i = 0; i < inputsObjs.length; i++) {
              SoftmaxInputObj inputObj = inputsObjs[i];
              inputObj.normObject = normObj;
              normObj.inputs.add(inputObj);
          }
      }
  
      @Override
      public Stream<Obj> followManyRelation(Relation rel) {
          if(rel == NORM_TO_INPUT)
              return getInputs().map(o -> o) ;
          else if(rel == NORM_TO_OUTPUT)
              return getOutputs().map(o -> o) ;
          else
              throw new RuntimeException("Invalid Relation");
      }
  
      public SoftmaxInputObj getInput(int bsId) {
          return inputs.get(bsId);
      }
  
      public Stream<SoftmaxInputObj> getInputs() {
          return inputs.stream();
      }
  
      public SoftmaxOutputObj getOutput(int bsId) {
          return outputs.get(bsId);
      }
  
      public Stream<SoftmaxOutputObj> getOutputs() {
          return outputs.stream();
      }
  }
  