Merge pull request #27 from astashov/add-orphan-factory
Add Logger.detached factory
diff --git a/AUTHORS b/AUTHORS
index 0617765..630ab0e 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -7,3 +7,4 @@
# Organization <fnmatch pattern>
#
Google Inc. <*@google.com>
+Anton Astashov <anton.astashov@gmail.com>
diff --git a/lib/logging.dart b/lib/logging.dart
index f1641dc..1d835fc 100644
--- a/lib/logging.dart
+++ b/lib/logging.dart
@@ -61,6 +61,18 @@
return _loggers.putIfAbsent(name, () => new Logger._named(name));
}
+ /// Creates a new detached [Logger].
+ ///
+ /// Returns a new [Logger] instance (unlike [new Logger], which returns a
+ /// [Logger] singleton), which doesn't have any parent or children,
+ /// and it's not a part of the global hierarchial loggers structure.
+ ///
+ /// It can be useful when you just need a local short-living logger,
+ /// which you'd like to be garbage-collected later.
+ factory Logger.detached(String name) {
+ return new Logger._internal(name, null, new Map<String, Logger>());
+ }
+
factory Logger._named(String name) {
if (name.startsWith('.')) {
throw new ArgumentError("name shouldn't start with a '.'");
diff --git a/pubspec.yaml b/pubspec.yaml
index 2206dbe..2bbbe94 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
name: logging
-version: 0.11.1+1
+version: 0.11.2
author: Dart Team <misc@dartlang.org>
description: >
Provides APIs for debugging and error logging. This library introduces
diff --git a/test/logging_test.dart b/test/logging_test.dart
index 60017b3..2f5bf60 100644
--- a/test/logging_test.dart
+++ b/test/logging_test.dart
@@ -206,6 +206,28 @@
});
});
+ group('detached loggers', () {
+ test("create new instances of Logger", () {
+ Logger a1 = new Logger.detached("a");
+ Logger a2 = new Logger.detached("a");
+ Logger a = new Logger("a");
+
+ expect(a1, isNot(a2));
+ expect(a1, isNot(a));
+ expect(a2, isNot(a));
+ });
+
+ test("parent is null", () {
+ Logger a = new Logger.detached("a");
+ expect(a.parent, null);
+ });
+
+ test("children is empty", () {
+ Logger a = new Logger.detached("a");
+ expect(a.children, {});
+ });
+ });
+
group('mutating levels', () {
Logger root = Logger.root;
Logger a = new Logger('a');
