| // Copyright 2013 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_VARIATIONS_PROCESSED_STUDY_H_ |
| #define COMPONENTS_VARIATIONS_PROCESSED_STUDY_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/metrics/field_trial.h" |
| |
| namespace variations { |
| |
| class Study; |
| |
| // Wrapper over Study with extra information computed during pre-processing, |
| // such as whether the study is expired and its total probability. |
| class ProcessedStudy { |
| public: |
| ProcessedStudy(); |
| ~ProcessedStudy(); |
| |
| bool Init(const Study* study, bool is_expired); |
| |
| const Study* study() const { return study_; } |
| |
| base::FieldTrial::Probability total_probability() const { |
| return total_probability_; |
| } |
| |
| bool all_assignments_to_one_group() const { |
| return all_assignments_to_one_group_; |
| } |
| |
| bool is_expired() const { return is_expired_; } |
| |
| // Gets the index of the experiment with the given |name|. Returns -1 if no |
| // experiment is found. |
| int GetExperimentIndexByName(const std::string& name) const; |
| |
| static bool ValidateAndAppendStudy( |
| const Study* study, |
| bool is_expired, |
| std::vector<ProcessedStudy>* processed_studies); |
| |
| private: |
| // Corresponding Study object. Weak reference. |
| const Study* study_; |
| |
| // Computed total group probability for the study. |
| base::FieldTrial::Probability total_probability_; |
| |
| // Whether all assignments are to a single group. |
| bool all_assignments_to_one_group_; |
| |
| // Whether the study is expired. |
| bool is_expired_; |
| }; |
| |
| } // namespace variations |
| |
| #endif // COMPONENTS_VARIATIONS_PROCESSED_STUDY_H_ |