jaeger-client -> opentelemetry

vendor/open-telemetry/api/Trace/Span.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\API\Trace;
+
+use OpenTelemetry\Context\Context;
+use OpenTelemetry\Context\ContextInterface;
+use OpenTelemetry\Context\ContextKeys;
+use OpenTelemetry\Context\ScopeInterface;
+
+abstract class Span implements SpanInterface
+{
+    private static ?self $invalidSpan = null;
+
+    /** @inheritDoc */
+    final public static function fromContext(ContextInterface $context): SpanInterface
+    {
+        return $context->get(ContextKeys::span()) ?? self::getInvalid();
+    }
+
+    /** @inheritDoc */
+    final public static function getCurrent(): SpanInterface
+    {
+        return self::fromContext(Context::getCurrent());
+    }
+
+    /** @inheritDoc */
+    final public static function getInvalid(): SpanInterface
+    {
+        if (null === self::$invalidSpan) {
+            self::$invalidSpan = new NonRecordingSpan(SpanContext::getInvalid());
+        }
+
+        return self::$invalidSpan;
+    }
+
+    /** @inheritDoc */
+    final public static function wrap(SpanContextInterface $spanContext): SpanInterface
+    {
+        if (!$spanContext->isValid()) {
+            return self::getInvalid();
+        }
+
+        return new NonRecordingSpan($spanContext);
+    }
+
+    /** @inheritDoc */
+    final public function activate(): ScopeInterface
+    {
+        return Context::getCurrent()->withContextValue($this)->activate();
+    }
+
+    /** @inheritDoc */
+    final public function storeInContext(ContextInterface $context): ContextInterface
+    {
+        return $context->with(ContextKeys::span(), $this);
+    }
+}