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 org.apache.causeway.testdomain.domainmodel;
  
  import java.util.Set;
  
  import org.apache.causeway.commons.collections.Can;
  import org.apache.causeway.commons.internal.collections._Sets;
  import org.apache.causeway.core.metamodel.spec.ObjectSpecification;
  import org.apache.causeway.core.metamodel.spec.feature.MixedIn;
  
  import lombok.val;
  
  final class _MetamodelUtil {
  
      static Set<String> featuresSummarized(Can<ObjectSpecification> allSpecs){
  
          val features = _Sets.<String>newHashSet();
  
          allSpecs.stream()
          .forEach(spec->{
              spec.streamDeclaredActions(MixedIn.INCLUDED)
              .forEach(feature->{
                  features.add(feature.getFeatureIdentifier().toString());
              });
              spec.streamDeclaredAssociations(MixedIn.INCLUDED)
              .forEach(feature->{
                  features.add(feature.getFeatureIdentifier().toString());
              });
          });
  
          return features;
      }
  
  }
  