1 files changed, 34 insertions, 0 deletions
diff --git a/mocktracer/include/opentracing/mocktracer/in_memory_recorder.h b/mocktracer/include/opentracing/mocktracer/in_memory_recorder.h
new file mode 100644
index 0000000..31ff4df
--- /dev/null
+++ b/mocktracer/include/opentracing/mocktracer/in_memory_recorder.h
@@ -0,0 +1,34 @@
+#ifndef OPENTRACING_MOCKTRACER_IN_MEMORY_RECORDER_H
+#define OPENTRACING_MOCKTRACER_IN_MEMORY_RECORDER_H
+
+#include <opentracing/mocktracer/recorder.h>
+#include <opentracing/mocktracer/symbols.h>
+#include <mutex>
+#include <vector>
+
+namespace opentracing {
+BEGIN_OPENTRACING_ABI_NAMESPACE
+namespace mocktracer {
+// InMemoryRecorder stores finished spans and provides accessors to them.
+class OPENTRACING_MOCK_TRACER_API InMemoryRecorder : public Recorder {
+ public:
+  void RecordSpan(SpanData&& span_data) noexcept override;
+
+  // Returns a vector of all finished spans.
+  std::vector<SpanData> spans() const;
+
+  // Returns the number of finished spans.
+  size_t size() const;
+
+  // Returns the last finished span. Throws if no spans have been finished.
+  SpanData top() const;
+
+ private:
+  mutable std::mutex mutex_;
+  std::vector<SpanData> spans_;
+};
+}  // namespace mocktracer
+END_OPENTRACING_ABI_NAMESPACE
+}  // namespace opentracing
+
+#endif  // OPENTRACING_MOCKTRACER_IN_MEMORY_RECORDER_H