1#ifndef DBALLE_DB_SUMMARY_MEMORY_H
2#define DBALLE_DB_SUMMARY_MEMORY_H
4#include <dballe/core/fwd.h>
5#include <dballe/db/summary.h>
6#include <dballe/db/summary_utils.h>
14template<
typename Station>
28 mutable size_t count = 0;
30 mutable bool dirty =
false;
32 void recompute_summaries()
const;
40 bool stations(std::function<
bool(
const Station&)>)
const override;
41 bool reports(std::function<
bool(
const std::string&)>)
const override;
42 bool levels(std::function<
bool(
const Level&)>)
const override;
43 bool tranges(std::function<
bool(
const Trange&)>)
const override;
47 Datetime datetime_max()
const override {
if (dirty) recompute_summaries();
return dtrange.
max; }
48 unsigned data_count()
const override {
if (dirty) recompute_summaries();
return count; }
87 DBALLE_TEST_ONLY
void dump(FILE* out)
const override;
Query used to filter DB-All.e data.
Definition: query.h:15
JSON serializer.
Definition: json.h:30
High level objects for working with DB-All.e DB summaries.
Definition: summary_memory.h:16
void to_json(core::JSONWriter &writer) const override
Serialize to JSON.
void clear() override
Completely empty the summary.
void add(const Station &station, const summary::VarDesc &vd, const dballe::DatetimeRange &dtrange, size_t count) override
Add an entry to the summary.
Datetime datetime_min() const override
Recompute reports, levels, tranges, and varcodes.
Definition: summary_memory.h:46
void add_filtered(const BaseSummary< Station > &summary, const dballe::Query &query) override
Merge the copy of another summary into this one.
void load_json(core::json::Stream &in) override
Load contents from JSON, merging with the current contents.
bool iter_filtered(const dballe::Query &query, std::function< bool(const Station &, const summary::VarDesc &, const DatetimeRange &, size_t)>) const override
Iterate the contents of this summary. There is no guarantee on sorting order.
void add_summary(const BaseSummary< dballe::Station > &summary) override
Merge the copy of another summary into this one.
std::shared_ptr< dballe::CursorSummary > query_summary(const Query &query) const override
Query the contents of the summary.
void add_summary(const BaseSummary< dballe::DBStation > &summary) override
Merge the copy of another summary into this one.
bool iter(std::function< bool(const Station &, const summary::VarDesc &, const DatetimeRange &, size_t)>) const override
Iterate the contents of this summary. There is no guarantee on sorting order.
void commit() override
Write changes to disk.
High level objects for working with DB-All.e DB summaries.
Definition: summary.h:45
Range of datetimes.
Definition: types.h:295
Datetime min
Lower bound of the range.
Definition: types.h:297
Datetime max
Upper bound of the range.
Definition: types.h:299
Date and time.
Definition: types.h:165
Vertical level or layer.
Definition: types.h:625
Station information.
Definition: types.h:794
Information on how a value has been sampled or computed with regards to time.
Definition: types.h:687
Definition: smallset.h:196
Index of all stations known to a summary.
Definition: summary_utils.h:123
Description of a variable, independent of where and when it was measured.
Definition: summary.h:18