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.model.good;
  
  import org.jspecify.annotations.Nullable;
  
  import org.apache.causeway.applib.annotation.Action;
  import org.apache.causeway.applib.annotation.DomainObject;
  import org.apache.causeway.applib.annotation.Nature;
  import org.apache.causeway.applib.annotation.Parameter;
  import org.apache.causeway.applib.annotation.Property;
  
  import lombok.Getter;
  import lombok.Setter;
  
  public abstract class ProperGenericAbstract<T> {
  
      abstract T getValue();
      abstract void setValue(T prop);
  
      abstract T sampleAction(final T value);
  
      // -- IMPL
  
      @DomainObject(nature = Nature.VIEW_MODEL)
      public static class Impl
      extends ProperGenericAbstract<String> {
  
          @Property
          @Getter @Setter
          private String value = "aValue";
  
          @Action
          @Override
          public String sampleAction(@Parameter final @Nullable String value) {
              return value;
          }
  
      }
  
  }
  