content: /*
   * Copyright 2002-2013 the original author or authors.
   *
   * Licensed 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.activejpa.examples.petclinic.model;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  import javax.persistence.Entity;
  import javax.persistence.FetchType;
  import javax.persistence.JoinColumn;
  import javax.persistence.JoinTable;
  import javax.persistence.ManyToMany;
  import javax.persistence.Table;
  import javax.xml.bind.annotation.XmlElement;
  
  /**
   * Simple JavaBean domain object representing a veterinarian.
   *
   * @author Ken Krebs
   * @author Juergen Hoeller
   * @author Sam Brannen
   * @author Arjen Poutsma
   */
  @Entity
  @Table(name = "vets")
  public class Vet extends Person {
  
      @ManyToMany(fetch = FetchType.EAGER)
      @JoinTable(name = "vet_specialties", joinColumns = @JoinColumn(name = "vet_id"),
              inverseJoinColumns = @JoinColumn(name = "specialty_id"))
      private Set<Specialty> specialties;
  
  
      protected void setSpecialtiesInternal(Set<Specialty> specialties) {
          this.specialties = specialties;
      }
  
      protected Set<Specialty> getSpecialtiesInternal() {
          if (this.specialties == null) {
              this.specialties = new HashSet<Specialty>();
          }
          return this.specialties;
      }
  
      @XmlElement
      public List<Specialty> getSpecialties() {
          List<Specialty> sortedSpecs = new ArrayList<Specialty>(getSpecialtiesInternal());
          return Collections.unmodifiableList(sortedSpecs);
      }
  
      public int getNrOfSpecialties() {
          return getSpecialtiesInternal().size();
      }
  
      public void addSpecialty(Specialty specialty) {
          getSpecialtiesInternal().add(specialty);
      }
  
  }
  