Allow custom counters implementing CounterInterface to be exported (#676

) Signed-off-by: Erdem Köse <[email protected]>
open-telemetry · May 18, 2022 · 2e4c849 · 2e4c849
1 parent 85282b5
commit 2e4c849
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/Contrib/Prometheus/PrometheusExporter.php b/src/Contrib/Prometheus/PrometheusExporter.php
@@ -5,7 +5,6 @@
 namespace OpenTelemetry\Contrib\Prometheus;
 
 use OpenTelemetry\API\Metrics as API;
-use OpenTelemetry\SDK\Metrics\Counter;
 use OpenTelemetry\SDK\Metrics\Exceptions\CantBeExported;
 use OpenTelemetry\SDK\Metrics\Exporters\AbstractExporter;
 use Prometheus\CollectorRegistry;
@@ -28,8 +27,8 @@ public function __construct(CollectorRegistry $registry, string $namespace = '')
     protected function doExport(iterable $metrics): void
     {
         foreach ($metrics as $metric) {
-            switch (get_class($metric)) {
-                case Counter::class:
+            switch (true) {
+                case $metric instanceof API\CounterInterface:
                     $this->exportCounter($metric);
 
                     break;