libdballe  9.14
core/query.h
1 #ifndef DBALLE_CORE_QUERY_H
2 #define DBALLE_CORE_QUERY_H
3 
4 #include <dballe/core/defs.h>
5 #include <dballe/core/fwd.h>
6 #include <dballe/query.h>
7 #include <set>
8 #include <wreport/varinfo.h>
9 
15 #define DBA_DB_MODIFIER_BEST (1 << 0)
16 
17 #define DBA_DB_MODIFIER_UNSORTED (1 << 5)
18 
19 #define DBA_DB_MODIFIER_SORT_FOR_EXPORT (1 << 7)
20 #define DBA_DB_MODIFIER_SUMMARY_DETAILS (1 << 8)
23 #define DBA_DB_MODIFIER_WITH_ATTRIBUTES (1 << 9)
25 
27 #define DBA_DB_MODIFIER_LAST (1 << 10)
28 
29 namespace dballe {
30 namespace core {
31 
32 struct JSONWriter;
33 
35 struct Query : public dballe::Query
36 {
37  static const uint32_t WANT_MISSING_IDENT = (1 << 0);
38  static const uint32_t WANT_MISSING_LTYPE1 = (1 << 1);
39  static const uint32_t WANT_MISSING_L1 = (1 << 2);
40  static const uint32_t WANT_MISSING_LTYPE2 = (1 << 3);
41  static const uint32_t WANT_MISSING_L2 = (1 << 4);
42  static const uint32_t WANT_MISSING_PIND = (1 << 5);
43  static const uint32_t WANT_MISSING_P1 = (1 << 6);
44  static const uint32_t WANT_MISSING_P2 = (1 << 7);
45 
51  uint32_t want_missing = 0;
52  int ana_id = MISSING_INT;
53  int priomin = MISSING_INT;
54  int priomax = MISSING_INT;
55  Report report;
56  int mobile = MISSING_INT;
57  Ident ident;
58  LatRange latrange;
59  LonRange lonrange;
60  DatetimeRange dtrange;
61  Level level;
62  Trange trange;
63  std::set<wreport::Varcode> varcodes;
64  std::string query;
65  std::string ana_filter;
66  std::string data_filter;
67  std::string attr_filter;
68  int limit = MISSING_INT;
69  int block = MISSING_INT;
70  int station = MISSING_INT;
71 
72  bool operator==(const Query& o) const
73  {
74  return std::tie(want_missing, ana_id, priomin, priomax, report, mobile,
75  ident, latrange, lonrange, dtrange, level, trange,
76  varcodes, query, ana_filter, data_filter, attr_filter,
77  limit, block, station) ==
78  std::tie(o.want_missing, o.ana_id, o.priomin, o.priomax,
79  o.report, o.mobile, o.ident, o.latrange, o.lonrange,
80  o.dtrange, o.level, o.trange, o.varcodes, o.query,
81  o.ana_filter, o.data_filter, o.attr_filter, o.limit,
82  o.block, o.station);
83  }
84 
94  void validate();
95 
96  std::unique_ptr<dballe::Query> clone() const override;
97 
98  unsigned get_modifiers() const;
99 
100  DatetimeRange get_datetimerange() const override { return dtrange; }
101  void set_datetimerange(const DatetimeRange& dt) override { dtrange = dt; }
102  LatRange get_latrange() const override { return latrange; }
103  void set_latrange(const LatRange& lr) override { latrange = lr; }
104  LonRange get_lonrange() const override { return lonrange; }
105  void set_lonrange(const LonRange& lr) override { lonrange = lr; }
106  Level get_level() const override { return level; }
107  void set_level(const Level& level) override { this->level = level; }
108  Trange get_trange() const override { return trange; }
109  void set_trange(const Trange& trange) override { this->trange = trange; }
110 
111  void clear() override;
112  bool empty() const override;
113 
126  void set_from_string(const char* str);
127 
135  void set_from_test_string(const std::string& s);
136 
143  bool is_subquery(const dballe::Query& other) const override;
144 
146  void print(FILE* out) const override;
147 
149  void serialize(JSONWriter& out) const;
150 
155  static unsigned parse_modifiers(const char* str);
156 
162  static const Query& downcast(const dballe::Query& query);
163 
169  static Query& downcast(dballe::Query& query);
170 
171  static Query from_json(core::json::Stream& in);
172 
173 protected:
174  void setf(const char* key, unsigned len, const char* val);
175  void unset(const char* key, unsigned len);
176 };
177 
178 } // namespace core
179 } // namespace dballe
180 #endif
void set_level(const Level &level) override
Set the level to be matched.
Definition: core/query.h:107
LatRange get_latrange() const override
Get the range of latitudes to be matched.
Definition: core/query.h:102
Definition: json.h:162
bool empty() const override
Check if the query is empty, that is, it queries everything.
DatetimeRange get_datetimerange() const override
Get the Datetime bounds set in this query.
Definition: core/query.h:100
uint32_t want_missing
Set a bit a 1 with WANT_MISSING_* constants to specify that the query wants results in which the corr...
Definition: core/query.h:51
Information on how a value has been sampled or computed with regards to time.
Definition: types.h:688
static unsigned parse_modifiers(const char *str)
Parse the modifiers specification given a query=* string, returning the ORed flags.
Standard dballe::Query implementation.
Definition: core/query.h:35
Definition: cmdline.h:18
static const Query & downcast(const dballe::Query &query)
Return a reference to query downcasted as core::Query.
Vertical level or layer.
Definition: types.h:624
void validate()
Check the query fields for consistency, and fill in missing values:
void clear() override
Clear the contents of the query, making it match all data.
A station identifier, that can be any string (including the empty string) or a missing value...
Definition: types.h:750
Range of datetimes.
Definition: types.h:296
Range of latitudes.
Definition: types.h:469
Trange get_trange() const override
Get the time range to be matched.
Definition: core/query.h:108
void print(FILE *out) const override
Print the query contents to stderr.
void set_datetimerange(const DatetimeRange &dt) override
Set the Datetime range for this query.
Definition: core/query.h:101
void set_latrange(const LatRange &lr) override
Set the range of latitudes to be matched.
Definition: core/query.h:103
Level get_level() const override
Get the level to be matched.
Definition: core/query.h:106
JSON serializer.
Definition: json.h:29
A report name.
Definition: types.h:815
void set_from_string(const char *str)
Set a value in the record according to an assignment encoded in a string.
std::unique_ptr< dballe::Query > clone() const override
Return a copy of this query.
Range of longitudes.
Definition: types.h:552
Common definitions.
Query used to filter DB-All.e data.
Definition: query.h:16
void set_trange(const Trange &trange) override
Set the level to be matched.
Definition: core/query.h:109
void set_from_test_string(const std::string &s)
Set a record from a ", "-separated string of assignments.
bool is_subquery(const dballe::Query &other) const override
Return true if this query matches a subset of the given query.
LonRange get_lonrange() const override
Get the range of longitudes to be matched.
Definition: core/query.h:104
void serialize(JSONWriter &out) const
Send the contents to a JSONWriter.
void set_lonrange(const LonRange &lr) override
Set the range of longitudes to be matched.
Definition: core/query.h:105