1 files changed, 37 insertions, 0 deletions
diff --git a/vendor/open-telemetry/sdk/Metrics/MetricRegistry/MultiObserver.php b/vendor/open-telemetry/sdk/Metrics/MetricRegistry/MultiObserver.php
new file mode 100644
index 000000000..f36f74a2a
--- /dev/null
+++ b/vendor/open-telemetry/sdk/Metrics/MetricRegistry/MultiObserver.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics\MetricRegistry;
+
+use OpenTelemetry\API\Metrics\ObserverInterface;
+use OpenTelemetry\Context\Context;
+use OpenTelemetry\SDK\Common\Attribute\AttributesFactoryInterface;
+use OpenTelemetry\SDK\Metrics\Stream\WritableMetricStreamInterface;
+
+/**
+ * @internal
+ */
+final class MultiObserver implements ObserverInterface
+{
+    private AttributesFactoryInterface $attributesFactory;
+    private int $timestamp;
+
+    /** @var list<WritableMetricStreamInterface>  */
+    public array $writers = [];
+
+    public function __construct(AttributesFactoryInterface $attributesFactory, int $timestamp)
+    {
+        $this->attributesFactory = $attributesFactory;
+        $this->timestamp = $timestamp;
+    }
+
+    public function observe($amount, iterable $attributes = []): void
+    {
+        $context = Context::getRoot();
+        $attributes = $this->attributesFactory->builder($attributes)->build();
+        foreach ($this->writers as $writer) {
+            $writer->record($amount, $attributes, $context, $this->timestamp);
+        }
+    }
+}