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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_METRICS_HISTOGRAM_BASE_H_ | 5 #ifndef BASE_METRICS_HISTOGRAM_BASE_H_ |
6 #define BASE_METRICS_HISTOGRAM_BASE_H_ | 6 #define BASE_METRICS_HISTOGRAM_BASE_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/base_export.h" | 10 #include "base/base_export.h" |
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87 std::string histogram_name() const { return histogram_name_; } | 87 std::string histogram_name() const { return histogram_name_; } |
88 | 88 |
89 // Operations with Flags enum. | 89 // Operations with Flags enum. |
90 int32 flags() const { return flags_; } | 90 int32 flags() const { return flags_; } |
91 void SetFlags(int32 flags); | 91 void SetFlags(int32 flags); |
92 void ClearFlags(int32 flags); | 92 void ClearFlags(int32 flags); |
93 | 93 |
94 virtual HistogramType GetHistogramType() const = 0; | 94 virtual HistogramType GetHistogramType() const = 0; |
95 | 95 |
96 // Whether the histogram has construction arguments as parameters specified. | 96 // Whether the histogram has construction arguments as parameters specified. |
97 // For histograms that don't have the concept of |minimum|, |maximum| or | 97 // For histograms that don't have the concept of minimum, maximum or |
98 // |bucket_count|, this function always returns false. | 98 // bucket_count, this function always returns false. |
99 virtual bool HasConstructionArguments(Sample minimum, | 99 virtual bool HasConstructionArguments(Sample expected_minimum, |
100 Sample maximum, | 100 Sample expected_maximum, |
101 size_t bucket_count) const = 0; | 101 size_t expected_bucket_count) const = 0; |
102 | 102 |
103 virtual void Add(Sample value) = 0; | 103 virtual void Add(Sample value) = 0; |
104 | 104 |
105 // 2 convenient functions that call Add(Sample). | 105 // 2 convenient functions that call Add(Sample). |
106 void AddTime(const TimeDelta& time); | 106 void AddTime(const TimeDelta& time); |
107 void AddBoolean(bool value); | 107 void AddBoolean(bool value); |
108 | 108 |
109 virtual void AddSamples(const HistogramSamples& samples) = 0; | 109 virtual void AddSamples(const HistogramSamples& samples) = 0; |
110 virtual bool AddSamplesFromPickle(PickleIterator* iter) = 0; | 110 virtual bool AddSamplesFromPickle(PickleIterator* iter) = 0; |
111 | 111 |
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162 private: | 162 private: |
163 const std::string histogram_name_; | 163 const std::string histogram_name_; |
164 int32 flags_; | 164 int32 flags_; |
165 | 165 |
166 DISALLOW_COPY_AND_ASSIGN(HistogramBase); | 166 DISALLOW_COPY_AND_ASSIGN(HistogramBase); |
167 }; | 167 }; |
168 | 168 |
169 } // namespace base | 169 } // namespace base |
170 | 170 |
171 #endif // BASE_METRICS_HISTOGRAM_BASE_H_ | 171 #endif // BASE_METRICS_HISTOGRAM_BASE_H_ |
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