MedSamplingStrategy.h

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#ifndef __MED_SAMPLING_STRATEGY_H__
#define __MED_SAMPLING_STRATEGY_H__
 
#include <vector>
#include <random>
#include "LabelParams.h"
#include <InfraMed/InfraMed/MedPidRepository.h>
#include "MedEnums.h"
#include "FilterParams.h"
 
using namespace std;
 
class MedSamplingStrategy : public SerializableObject {
public:
    FilterParams filtering_params; 
 
    virtual void init_sampler(MedRepository &rep);
 
    void get_sampling_options(const unordered_map<int, vector<pair<int, int>>> &pid_time_ranges,
        unordered_map<int, vector<int>> &pid_options) const;
 
    virtual void _get_sampling_options(const unordered_map<int, vector<pair<int, int>>> &pid_time_ranges,
        unordered_map<int, vector<int>> &pid_options) const = 0;
 
    static MedSamplingStrategy *make_sampler(const string &sampler_name);
    static MedSamplingStrategy *make_sampler(const string &sampler_name, const string &init_params);
 
    void set_filters(const string &filtering_str);
 
    virtual ~MedSamplingStrategy() {};
protected:
    unordered_map<int, int> pids_bdates;
private:
    bool apply_filter_params(unordered_map<int, vector<pair<int, int>>> &pid_time_ranges) const;
};
 
class MedSamplingTimeWindow : public MedSamplingStrategy {
public:
    bool take_max; 
    vector<int> minimal_times; 
    vector<int> maximal_times; 
    int sample_count; 
 
    void _get_sampling_options(const unordered_map<int, vector<pair<int, int>>> &pid_time_ranges, unordered_map<int, vector<int>> &pid_options) const;
 
    int init(map<string, string>& map);
 
    MedSamplingTimeWindow() {
        sample_count = 1; take_max = false;
    }
};
 
class MedSamplingAge : public MedSamplingStrategy {
public:
    int start_age; 
    int end_age; 
    int age_bin; 
 
    void _get_sampling_options(const unordered_map<int, vector<pair<int, int>>> &pid_time_ranges, unordered_map<int, vector<int>> &pid_options) const;
 
    MedSamplingAge() {
        start_age = 0;
        end_age = 120;
        age_bin = 1;
    }
 
    int init(map<string, string>& map);
};
 
class MedSamplingDates : public MedSamplingStrategy {
public:
    int take_count; 
    vector<vector<pair<int, int>>> samples_list_pid_dates; 
    bool sample_with_filters; 
 
    void get_options(const unordered_map<int, vector<pair<int, int>>> &pid_time_ranges, 
        const vector<vector<pair<int, int>>> &samples_list_pid_opts,
        unordered_map<int, vector<int>> &pid_options) const;
 
    void _get_sampling_options(const unordered_map<int, vector<pair<int, int>>> &pid_time_ranges, unordered_map<int, vector<int>> &pid_options) const;
 
    int init(map<string, string>& map);
 
    MedSamplingDates() {
        take_count = 1;
        sample_with_filters = true;
    }
};
 
class MedSamplingFixedTime : public MedSamplingStrategy {
private:
    int add_time(int time, int add) const;
public:
    int start_time; 
    int end_time; 
    int back_random_duration; 
    int time_jump; 
    int time_range_unit; 
    int time_jump_unit; 
 
    void _get_sampling_options(const unordered_map<int, vector<pair<int, int>>> &pid_time_ranges, unordered_map<int, vector<int>> &pid_options) const;
 
    int init(map<string, string>& map);
 
    MedSamplingFixedTime() {
        back_random_duration = 0; //default
        time_jump = 0;
        start_time = 0;
        end_time = 0;
        time_jump_unit = global_default_windows_time_unit;
        time_range_unit = global_default_time_unit;
    }
};
 
class MedSamplingYearly : public MedSamplingFixedTime {
public:
    int init(map<string, string>& map);
};
 
class MedSamplingStick : public MedSamplingDates {
public:
    vector<string> signal_list; 
    int delta_time = 0; 
    int delta_time_unit = MedTime::Days;
    int minimal_time_between_samples = 0; 
 
    void init_sampler(MedRepository &rep);
 
    int init(map<string, string>& map);
 
    void _get_sampling_options(const unordered_map<int, vector<pair<int, int>>> &pid_time_ranges, unordered_map<int, vector<int>> &pid_options) const;
 
    MedSamplingStick();
};
 
#endif