Add support for embedded objects

example/lib/database.dart

@@ -1,13 +1,16 @@
 import 'dart:async';
 
+import 'package:example/date_time_converter.dart';
 import 'package:example/task.dart';
 import 'package:example/task_dao.dart';
+import 'package:example/timestamp.dart';
 import 'package:floor/floor.dart';
 import 'package:sqflite/sqflite.dart' as sqflite;
 
 part 'database.g.dart';
 
-@Database(version: 1, entities: [Task])
+@TypeConverters([DateTimeConverter])
+@Database(version: 1, entities: [Task], embeds: [Timestamp])
 abstract class FlutterDatabase extends FloorDatabase {
   TaskDao get taskDao;
 }

example/lib/date_time_converter.dart

@@ -0,0 +1,9 @@
+import 'package:floor/floor.dart';
+
+class DateTimeConverter extends TypeConverter<DateTime, int> {
+  @override
+  DateTime decode(int databaseValue) => DateTime.fromMillisecondsSinceEpoch(databaseValue);
+
+  @override
+  int encode(DateTime value) => value.millisecondsSinceEpoch;
+}

example/lib/main.dart

@@ -1,6 +1,7 @@
 import 'package:example/database.dart';
 import 'package:example/task.dart';
 import 'package:example/task_dao.dart';
+import 'package:example/timestamp.dart';
 import 'package:flutter/material.dart';
 
 Future<void> main() async {
@@ -177,7 +178,12 @@ class TasksTextField extends StatelessWidget {
     if (message.trim().isEmpty) {
       _textEditingController.clear();
     } else {
-      final task = Task(null, message);
+      final task = Task(null, message,
+        Timestamp(
+          createdAt: DateTime.now(),
+          updatedAt: DateTime.now(),
+        ),
+      );
       await dao.insertTask(task);
       _textEditingController.clear();
     }

example/lib/task.dart

@@ -1,3 +1,4 @@
+import 'package:example/timestamp.dart';
 import 'package:floor/floor.dart';
 
 @entity
@@ -7,7 +8,10 @@ class Task {
 
   final String message;
 
-  Task(this.id, this.message);
+  // @ColumnInfo(name: '')
+  final Timestamp timestamp;
+
+  Task(this.id, this.message, this.timestamp);
 
   @override
   bool operator ==(Object other) =>

example/lib/timestamp.dart

@@ -0,0 +1,28 @@
+import 'package:floor/floor.dart';
+
+@Embed()
+class Timestamp {
+  @ColumnInfo(name: 'created_at')
+  final DateTime createdAt;
+
+  @ColumnInfo(name: 'updated_at')
+  final DateTime updatedAt;
+
+  Timestamp({required this.createdAt, required this.updatedAt});
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+          other is Timestamp &&
+              runtimeType == other.runtimeType &&
+              createdAt == other.createdAt &&
+              updatedAt == other.updatedAt;
+
+  @override
+  int get hashCode => createdAt.hashCode ^ updatedAt.hashCode;
+
+  @override
+  String toString() {
+    return 'Timestamp{createdAt: $createdAt, updatedAt: $updatedAt}';
+  }
+}

example/pubspec.lock

@@ -28,7 +28,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.5.0"
+    version: "2.6.1"
   boolean_selector:
     dependency: transitive
     description:
@@ -70,7 +70,7 @@ packages:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.3"
   build_runner_core:
     dependency: transitive
     description:
@@ -91,7 +91,7 @@ packages:
       name: built_value
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "8.0.5"
+    version: "8.0.6"
   characters:
     dependency: transitive
     description:
@@ -161,7 +161,7 @@ packages:
       name: dart_style
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.1"
   fake_async:
     dependency: transitive
     description:
@@ -182,7 +182,7 @@ packages:
       name: file
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.1.0"
+    version: "6.1.1"
   fixnum:
     dependency: transitive
     description:
@@ -196,7 +196,7 @@ packages:
       path: "../floor"
       relative: true
     source: path
-    version: "1.0.1"
+    version: "1.1.0"
   floor_annotation:
     dependency: transitive
     description:
@@ -210,7 +210,7 @@ packages:
       path: "../floor_generator"
       relative: true
     source: path
-    version: "1.0.1"
+    version: "1.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -221,6 +221,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   glob:
     dependency: transitive
     description:
@@ -353,7 +360,7 @@ packages:
       name: shelf
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.4"
   shelf_web_socket:
     dependency: transitive
     description:
@@ -379,7 +386,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sqflite:
     dependency: transitive
     description:
@@ -407,7 +414,7 @@ packages:
       name: sqlite3
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.1.1"
   stack_trace:
     dependency: transitive
     description:
@@ -463,7 +470,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.19"
+    version: "0.3.0"
   timing:
     dependency: transitive
     description:
@@ -505,7 +512,7 @@ packages:
       name: web_socket_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   yaml:
     dependency: transitive
     description:

example/pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
     sdk: flutter
 
 dev_dependencies:
-  build_runner: ^2.0.0
+  build_runner: ^2.0.3
   floor_generator:
     path: ../floor_generator/
   flutter_test:

floor_annotation/lib/floor_annotation.dart

@@ -5,6 +5,7 @@ export 'src/dao.dart';
 export 'src/database.dart';
 export 'src/database_view.dart';
 export 'src/delete.dart';
+export 'src/embed.dart';
 export 'src/entity.dart';
 export 'src/foreign_key.dart';
 export 'src/fts.dart';

floor_annotation/lib/src/database.dart

@@ -6,13 +6,17 @@ class Database {
   /// The entities the database manages.
   final List<Type> entities;
 
+  /// The embeds the database manages.
+  final List<Type> embeds;
+
   /// The views the database manages.
   final List<Type> views;
 
   /// Marks a class as a FloorDatabase.
   const Database({
     required this.version,
     required this.entities,
+    this.embeds = const [],
     this.views = const [],
   });
 }

floor_annotation/lib/src/embed.dart

@@ -0,0 +1,5 @@
+class Embed {
+  const Embed();
+}
+
+const embed = Embed();

floor_generator/lib/misc/constants.dart

@@ -4,6 +4,7 @@ abstract class AnnotationField {
   static const onConflict = 'onConflict';
 
   static const databaseVersion = 'version';
+  static const databaseEmbeds = 'embeds';
   static const databaseEntities = 'entities';
   static const databaseViews = 'views';