67 lines
1.7 KiB
Dart
67 lines
1.7 KiB
Dart
import 'package:platform_core/core.dart';
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import 'package:platform_core/http.dart';
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import 'package:platform_support/providers.dart';
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/// Example service that will be provided
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class ExampleService {
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final String message;
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ExampleService(this.message);
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void printMessage() {
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print(message);
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}
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}
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/// Example service provider that demonstrates the basic features
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class ExampleServiceProvider extends ServiceProvider {
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@override
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void register() {
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super.register();
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// Register a singleton service
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singleton(ExampleService('Hello from ExampleService!'));
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// Register an event listener
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listen('app.started', (req, res) {
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var service = make<ExampleService>();
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service.printMessage();
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return true;
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});
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}
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@override
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List<String> provides() => ['example-service'];
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}
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/// Example deferred service provider that demonstrates lazy loading
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class DeferredExampleProvider extends DeferredServiceProvider {
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@override
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void register() {
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super.register();
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singleton(ExampleService('Hello from DeferredService!'));
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}
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@override
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List<String> provides() => ['deferred-service'];
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@override
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List<String> dependencies() => ['example-service'];
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}
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void main() async {
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// Create the application
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var app = Application();
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// Register the service providers
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app.registerProvider(ExampleServiceProvider());
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app.registerProvider(DeferredExampleProvider());
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// The ExampleServiceProvider will be booted immediately
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// The DeferredExampleProvider will only be booted when needed
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// Later, when we need the deferred service:
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await app.resolveProvider('deferred-service');
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// Create and start the HTTP server
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var http = PlatformHttp(app);
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await http.startServer('127.0.0.1', 3000);
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}
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