ListOfPersons.java

  1. /*
  2.  * *********************************************************************************************************************
  3.  *
  4.  * TheseFoolishThings: Miscellaneous utilities
  5.  * http://tidalwave.it/projects/thesefoolishthings
  6.  *
  7.  * Copyright (C) 2009 - 2023 by Tidalwave s.a.s. (http://tidalwave.it)
  8.  *
  9.  * *********************************************************************************************************************
  10.  *
  11.  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
  12.  * the License. You may obtain a copy of the License at
  13.  *
  14.  *     http://www.apache.org/licenses/LICENSE-2.0
  15.  *
  16.  * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
  17.  * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the
  18.  * specific language governing permissions and limitations under the License.
  19.  *
  20.  * *********************************************************************************************************************
  21.  *
  22.  * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
  23.  * git clone https://github.com/tidalwave-it/thesefoolishthings-src
  24.  *
  25.  * *********************************************************************************************************************
  26.  */
  27. package it.tidalwave.thesefoolishthings.examples.person;

  28. import javax.annotation.Nonnull;
  29. import java.util.ArrayList;
  30. import java.util.List;
  31. import lombok.EqualsAndHashCode;
  32. import lombok.NoArgsConstructor;
  33. import lombok.experimental.Delegate;

  34. /***********************************************************************************************************************
  35.  *
  36.  * A simple implementation of a list of {@code Persons}.
  37.  *
  38.  * @author  Fabrizio Giudici
  39.  *
  40.  **********************************************************************************************************************/
  41. // START SNIPPET: listofpersons
  42. @NoArgsConstructor @EqualsAndHashCode
  43. public class ListOfPersons implements List<Person>
  44.   {
  45.     @Delegate
  46.     private final List<Person> persons = new ArrayList<>();

  47.     public static ListOfPersons empty ()
  48.       {
  49.         return new ListOfPersons();
  50.       }

  51.     @Nonnull
  52.     public static ListOfPersons of (@Nonnull final Person ... persons)
  53.       {
  54.         return new ListOfPersons(List.of(persons));
  55.       }

  56.     public ListOfPersons (@Nonnull final List<? extends Person> persons)
  57.       {
  58.         this.persons.addAll(persons);
  59.       }

  60.     @Override @Nonnull
  61.     public String toString()
  62.       {
  63.         return persons.toString();
  64.       }
  65.   }
  66. // END SNIPPET: listofpersons