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.core.metamodel.facets.object.domainservice.annotation;
  
  import java.util.Optional;
  
  import org.apache.causeway.applib.annotation.DomainService;
  import org.apache.causeway.applib.id.LogicalType;
  import org.apache.causeway.commons.collections.Can;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  import org.apache.causeway.core.metamodel.facets.object.domainobject.AliasedFacetForDomainObjectAnnotation;
  import org.apache.causeway.core.metamodel.facets.object.logicaltype.AliasedFacet;
  import org.apache.causeway.core.metamodel.facets.object.logicaltype.AliasedFacetAbstract;
  
  /**
   * AliasedFacet based on presence of {@link DomainService#aliased()}.
   * <p>
   * Analogous to {@link AliasedFacetForDomainServiceAnnotation}.
   * @see AliasedFacetForDomainObjectAnnotation
   */
  public class AliasedFacetForDomainServiceAnnotation
  extends AliasedFacetAbstract {
  
      public static Optional<AliasedFacet> create(
              final Optional<DomainService> domainServiceIfAny,
              final Class<?> correspondingClass,
              final FacetHolder holder) {
  
          return domainServiceIfAny
                  .map(annot->annot.aliased())
                  .map(Can::ofArray)
                  .filter(Can::isNotEmpty)
                  .map(aliasNames -> new AliasedFacetForDomainServiceAnnotation(
                          aliasNames
                              .map(aliasName->LogicalType.eager(correspondingClass, aliasName)),
                          holder));
      }
  
      private AliasedFacetForDomainServiceAnnotation(
              final Can<LogicalType> aliases,
              final FacetHolder holder) {
          super(aliases, holder);
      }
  }
  