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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 // SampleVector implements HistogramSamples interface. It is used by all | 5 // SampleVector implements HistogramSamples interface. It is used by all |
6 // Histogram based classes to store samples. | 6 // Histogram based classes to store samples. |
7 | 7 |
8 #ifndef BASE_METRICS_SAMPLE_VECTOR_H_ | 8 #ifndef BASE_METRICS_SAMPLE_VECTOR_H_ |
9 #define BASE_METRICS_SAMPLE_VECTOR_H_ | 9 #define BASE_METRICS_SAMPLE_VECTOR_H_ |
10 | 10 |
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47 | 47 |
48 protected: | 48 protected: |
49 bool AddSubtractImpl( | 49 bool AddSubtractImpl( |
50 SampleCountIterator* iter, | 50 SampleCountIterator* iter, |
51 HistogramSamples::Operator op) override; // |op| is ADD or SUBTRACT. | 51 HistogramSamples::Operator op) override; // |op| is ADD or SUBTRACT. |
52 | 52 |
53 virtual size_t GetBucketIndex(HistogramBase::Sample value) const; | 53 virtual size_t GetBucketIndex(HistogramBase::Sample value) const; |
54 | 54 |
55 private: | 55 private: |
56 FRIEND_TEST_ALL_PREFIXES(HistogramTest, CorruptSampleCounts); | 56 FRIEND_TEST_ALL_PREFIXES(HistogramTest, CorruptSampleCounts); |
| 57 FRIEND_TEST_ALL_PREFIXES(SharedHistogramTest, CorruptSampleCounts); |
57 | 58 |
58 // In the case where this class manages the memory, here it is. | 59 // In the case where this class manages the memory, here it is. |
59 std::vector<HistogramBase::AtomicCount> local_counts_; | 60 std::vector<HistogramBase::AtomicCount> local_counts_; |
60 | 61 |
61 // These are raw pointers rather than objects for flexibility. The actual | 62 // These are raw pointers rather than objects for flexibility. The actual |
62 // memory is either managed by local_counts_ above or by an external object | 63 // memory is either managed by local_counts_ above or by an external object |
63 // and passed in directly. | 64 // and passed in directly. |
64 HistogramBase::AtomicCount* counts_; | 65 HistogramBase::AtomicCount* counts_; |
65 size_t counts_size_; | 66 size_t counts_size_; |
66 | 67 |
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95 const HistogramBase::AtomicCount* counts_; | 96 const HistogramBase::AtomicCount* counts_; |
96 size_t counts_size_; | 97 size_t counts_size_; |
97 const BucketRanges* bucket_ranges_; | 98 const BucketRanges* bucket_ranges_; |
98 | 99 |
99 size_t index_; | 100 size_t index_; |
100 }; | 101 }; |
101 | 102 |
102 } // namespace base | 103 } // namespace base |
103 | 104 |
104 #endif // BASE_METRICS_SAMPLE_VECTOR_H_ | 105 #endif // BASE_METRICS_SAMPLE_VECTOR_H_ |
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