Alternative Multi-dimensional Rappor

components/rappor/sampler.h

Index: components/rappor/sampler.h
diff --git a/components/rappor/sampler.h b/components/rappor/sampler.h
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+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef COMPONENTS_RAPPOR_SAMPLER_H_
+#define COMPONENTS_RAPPOR_SAMPLER_H_
+
+#include <map>
+#include <string>
+
+#include "base/containers/scoped_ptr_hash_map.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "components/rappor/rappor_parameters.h"
+#include "components/rappor/sample.h"
+
+namespace rappor {
+
+class RapporReports;
+
+class Sampler {

[Alexei Svitkine (slow), 2015/04/16 15:09:44]

Comment.

[Steven Holte, 2015/04/22 19:24:28]

Done.

+ public:
+  Sampler();
+  ~Sampler();
+
+  void AddSample(const std::string& metric_name, scoped_ptr<Sample> sample);
+  void ExportMetrics(const std::string& secret, RapporReports* reports);
+ private:
+  std::map<std::string, int> sample_counts_;
+
+  // We keep all registered metrics in a map, from name to metric.
+  // The map owns the metrics it contains.
+  base::ScopedPtrHashMap<std::string, Sample> samples_;
+  DISALLOW_COPY_AND_ASSIGN(Sampler);

[Alexei Svitkine (slow), 2015/04/16 15:09:43]

Blank line above.

[Steven Holte, 2015/04/22 19:24:28]

Done.

+};
+
+}  // namespace rappor
+
+#endif  // COMPONENTS_RAPPOR_SAMPLER_H_