jaeger-client -> opentelemetry

vendor/open-telemetry/sdk/Metrics/Stream/MetricStreamInterface.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTelemetry\SDK\Metrics\Stream;
+
+use OpenTelemetry\SDK\Metrics\Data\DataInterface;
+use OpenTelemetry\SDK\Metrics\Data\Temporality;
+
+/**
+ * @internal
+ */
+interface MetricStreamInterface
+{
+    /**
+     * Returns the internal temporality of this stream.
+     *
+     * @return string|Temporality internal temporality
+     */
+    public function temporality();
+
+    /**
+     * Returns the last metric timestamp.
+     *
+     * @return int metric timestamp
+     */
+    public function timestamp(): int;
+
+    /**
+     * Pushes metric data to the stream.
+     *
+     * @param Metric $metric metric data to push
+     */
+    public function push(Metric $metric): void;
+
+    /**
+     * Registers a new reader with the given temporality.
+     *
+     * @param string|Temporality $temporality temporality to use
+     * @return int reader id
+     */
+    public function register($temporality): int;
+
+    /**
+     * Unregisters the given reader.
+     *
+     * @param int $reader reader id
+     */
+    public function unregister(int $reader): void;
+
+    /**
+     * Collects metric data for the given reader.
+     *
+     * @param int $reader reader id
+     * @return DataInterface metric data
+     */
+    public function collect(int $reader): DataInterface;
+}