15 lines
320 B
Dart
15 lines
320 B
Dart
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import 'person.dart';
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import 'person_data_access_map.dart';
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class Business {
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final PersonDataAccessMap _backend;
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Business(this._backend);
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void addPerson(Person p) => _backend.store(p);
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bool existsPersonId(int id) => _backend.retrieve(id) != null;
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List<Person> getAllPersons() => _backend.retrieveAll();
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}
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