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.viewer.restfulobjects.test.domain.dom;
  
  import java.util.Comparator;
  import java.util.List;
  import java.util.stream.Collectors;
  
  import jakarta.inject.Inject;
  import jakarta.persistence.Column;
  import jakarta.persistence.Entity;
  import jakarta.persistence.GeneratedValue;
  import jakarta.persistence.Id;
  import jakarta.persistence.JoinColumn;
  import jakarta.persistence.OneToOne;
  import jakarta.persistence.Table;
  import jakarta.persistence.Transient;
  
  import org.apache.causeway.applib.annotation.Action;
  import org.apache.causeway.applib.annotation.DomainObject;
  import org.apache.causeway.applib.annotation.DomainObjectLayout;
  import org.apache.causeway.applib.annotation.Nature;
  import org.apache.causeway.applib.annotation.Property;
  import org.apache.causeway.applib.annotation.SemanticsOf;
  
  import static org.apache.causeway.applib.annotation.Editing.ENABLED;
  
  import lombok.Getter;
  import lombok.NoArgsConstructor;
  import lombok.Setter;
  
  @Entity
  @Table(
          schema = "public",
          name = "DeptHead"
  )
  @jakarta.inject.Named("university.dept.DeptHead")
  @DomainObject(
          nature = Nature.ENTITY,
          autoCompleteRepository = DeptHeadRepository.class,
          autoCompleteMethod = "findByNameContaining"
  )
  @DomainObjectLayout(describedAs = "Departmental head, responsible for curriculum, research, funding and staff")
  @NoArgsConstructor
  public class DeptHead extends Person implements Comparable<DeptHead>  {
  
      public DeptHead(String name) {
          this.name = name;
      }
  
      @Id
      @GeneratedValue
      private Long id;
  
      @Getter @Setter
      @Column(unique=true)
      private String name;
  
      @Getter @Setter
      @Property(editing = ENABLED)
      @OneToOne(optional = true)
      @JoinColumn(name = "department_id")
      private Department department;
  
      public List<Department> choicesDepartment() {
          return departmentRepository.findAll();
      }
  
      @Action(semantics = SemanticsOf.IDEMPOTENT)
      public class changeName {
  
          public DeptHead act(final String newName){
              setName(newName);
              return DeptHead.this;
          }
  
          public String default0Act(){
              return getName();
          }
  
          public String validateAct(String name) {
              if (name.contains("!")) {
                  return "Name cannot contain '!' character";
              }
              return null;
          }
      }
  
      @Action(semantics = SemanticsOf.IDEMPOTENT)
      public class changeDepartment {
  
          public DeptHead act(final Department department){
              setDepartment(department);
              return DeptHead.this;
          }
  
          public List<Department> choices0Act(){
              return departmentRepository.findAll().stream().
                      filter(d -> d != getDepartment()).
                      collect(Collectors.toList());
          }
  
          public String validateAct(final Department department){
              if (getDepartment() == department) return "Already there";
              return null;
          }
      }
  
      @Override
      public int compareTo(final DeptHead o) {
          return Comparator.comparing(DeptHead::getName).compare(this, o);
      }
  
      @Inject @Transient
      DepartmentRepository departmentRepository;
  
  }
  