1 files changed, 95 insertions, 0 deletions
diff --git a/vendor/opentracing/opentracing/src/OpenTracing/Span.php b/vendor/opentracing/opentracing/src/OpenTracing/Span.php
new file mode 100644
index 000000000..9fa8c2bc2
--- /dev/null
+++ b/vendor/opentracing/opentracing/src/OpenTracing/Span.php
@@ -0,0 +1,95 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenTracing;
+
+use DateTimeInterface;
+
+interface Span
+{
+    /**
+     * @return string
+     */
+    public function getOperationName(): string;
+
+    /**
+     * Yields the SpanContext for this Span. Note that the return value of
+     * Span::getContext() is still valid after a call to Span::finish(), as is
+     * a call to Span::getContext() after a call to Span::finish().
+     *
+     * @return SpanContext
+     */
+    public function getContext(): SpanContext;
+
+    /**
+     * Sets the end timestamp and finalizes Span state.
+     *
+     * With the exception of calls to getContext() (which are always allowed),
+     * finish() must be the last call made to any span instance, and to do
+     * otherwise leads to undefined behavior but not returning an exception.
+     *
+     * As an implementor, make sure you call {@see Tracer::deactivate()}
+     * otherwise new spans might try to be child of this one.
+     *
+     * If the span is already finished, a warning should be logged.
+     *
+     * @param float|int|DateTimeInterface|null $finishTime if passing float or int
+     * it should represent the timestamp (including as many decimal places as you need)
+     * @return void
+     */
+    public function finish($finishTime = null): void;
+
+    /**
+     * If the span is already finished, a warning should be logged.
+     *
+     * @param string $newOperationName
+     * @return void
+     */
+    public function overwriteOperationName(string $newOperationName): void;
+
+    /**
+     * Adds a tag to the span.
+     *
+     * If there is a pre-existing tag set for key, it is overwritten.
+     *
+     * As an implementor, consider using "standard tags" listed in {@see \OpenTracing\Tags}
+     *
+     * If the span is already finished, a warning should be logged.
+     *
+     * @param string $key
+     * @param string|bool|int|float $value
+     * @return void
+     */
+    public function setTag(string $key, $value): void;
+
+    /**
+     * Adds a log record to the span in key => value format, key must be a string and tag must be either
+     * a string, a boolean value, or a numeric type.
+     *
+     * If the span is already finished, a warning should be logged.
+     *
+     * @param array $fields
+     * @param int|float|DateTimeInterface $timestamp
+     * @return void
+     */
+    public function log(array $fields = [], $timestamp = null): void;
+
+    /**
+     * Adds a baggage item to the SpanContext which is immutable so it is required to use
+     * SpanContext::withBaggageItem to get a new one.
+     *
+     * If the span is already finished, a warning should be logged.
+     *
+     * @param string $key
+     * @param string $value
+     * @return void
+     */
+    public function addBaggageItem(string $key, string $value): void;
+
+    /**
+     * @param string $key
+     * @return string|null returns null when there is not a item under the provided key
+     */
+    public function getBaggageItem(string $key): ?string;
+}