44 lines
1010 B
Dart
44 lines
1010 B
Dart
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import 'package:mock/person.dart';
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import 'package:mock/business.dart';
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import 'package:mock/person_data_access_map.dart';
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import 'package:mock/person_data_access_sqlite.dart';
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/*
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@startuml
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class Business {
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- PersonDataAccessMap backend
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}
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PersonDataAccessMap <-left- Business : uses
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class PersonDataAccessMap {
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- Map<int, Person> map
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+ store(Person p): void
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+ retrieve(int id): Person
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+ retrieveAll(): List<Person>
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}
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class PersonDataAccessSqlite implements PersonDataAccessMap {
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- Sqlite db
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+ store(Person p): void
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+ retrieve(int id): Person
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+ retrieveAll(): List<Person>
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}
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@enduml
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*/
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void main() {
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PersonDataAccessMap backend = PersonDataAccessSqlite("sqlite3.db");
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Business b = Business(backend);
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List<Person> persons = b.getAllPersons();
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int personCount = persons.length;
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print("We know $personCount persons");
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int nextPersonId = ++personCount;
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b.addPerson(Person(nextPersonId, "A New Person"));
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print("Now we know ${b.getAllPersons().length} persons");
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backend.close();
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}
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