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.objectmanager.memento;
  
  import org.apache.causeway.applib.id.LogicalType;
  import org.apache.causeway.applib.services.bookmark.Bookmark;
  import org.apache.causeway.commons.internal.assertions._Assert;
  import org.apache.causeway.core.metamodel.object.MmHintUtils;
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  import org.apache.causeway.core.metamodel.object.MmTitleUtils;
  
  import org.jspecify.annotations.NonNull;
  
  record ObjectMementoSingular(
          @NonNull LogicalType logicalType,
          @NonNull Bookmark bookmark,
          String title)
  implements ObjectMemento {
  
      // -- FACTORIES
  
      static ObjectMementoSingular create(final @NonNull ManagedObject adapter) {
          var spec = adapter.objSpec();
  
          _Assert.assertTrue(spec.isIdentifiable()
                  || spec.isParented()
                  || spec.isValue(), ()->"Don't know how to create an ObjectMemento for a type "
                          + "with ObjectSpecification %s. "
                          + "All other strategies failed. Type is neither "
                          + "identifiable (isManagedBean() || isViewModel() || isEntity()), "
                          + "nor is a 'parented' Collection, "
                          + "nor has 'encodable' semantics, nor is (Serializable || Externalizable)"
                          .formatted(spec));
  
          return new ObjectMementoSingular(
                  adapter.logicalType(),
                  MmHintUtils.bookmarkElseFail(adapter),
                  MmTitleUtils.titleOf(adapter));
      }
  
      @Override public int hashCode() { return bookmark.hashCode(); }
      @Override public boolean equals(final Object o) {
          return (o instanceof ObjectMementoSingular other)
                  ? this.bookmark.equals(other.bookmark)
                  : false;
      }
  
  }
  