libdballe  9.14
repinfo.h
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1 #ifndef DBALLE_DB_V7_REPINFO_H
2 #define DBALLE_DB_V7_REPINFO_H
3 
10 #include <dballe/core/fwd.h>
11 #include <dballe/sql/fwd.h>
12 #include <map>
13 #include <memory>
14 #include <string>
15 #include <vector>
16 
17 namespace dballe {
18 namespace db {
19 namespace v7 {
20 
21 namespace repinfo {
22 
24 struct Cache
25 {
27  unsigned id;
28 
30  std::string memo;
32  std::string desc;
34  int prio;
36  std::string descriptor;
38  unsigned tablea;
39 
41  std::string new_memo;
43  std::string new_desc;
45  int new_prio;
47  std::string new_descriptor;
49  unsigned new_tablea;
50 
51  Cache(int id, const std::string& memo, const std::string& desc, int prio,
52  const std::string& descriptor, int tablea);
53  void make_new();
54 
55  void dump(FILE* out) const;
56 };
57 
59 struct Memoidx
60 {
62  std::string memo;
64  int id;
65 
66  bool operator<(const Memoidx& memo) const;
67 };
68 
69 } // namespace repinfo
70 
72 struct Repinfo
73 {
75 
77  virtual ~Repinfo() {}
78 
79  // static std::unique_ptr<Repinfo> create(Connection& conn);
80 
82  // FIXME: use std::string?
83  const char* get_rep_memo(int id);
84 
86  int get_id(const char* rep_memo);
87 
89  int get_priority(const std::string& report);
90 
105  void update(const char* deffile, int* added, int* deleted, int* updated);
106 
110  std::map<std::string, int> get_priorities();
111 
116  std::vector<int> ids_by_prio(const core::Query& rec);
117 
128  int obtain_id(const char* memo);
129 
131  virtual void dump(FILE* out) = 0;
132 
137  virtual void read_cache() = 0;
138 
139 protected:
141  std::vector<repinfo::Cache> cache;
142 
144  mutable std::vector<repinfo::Memoidx> memo_idx;
145 
147  const repinfo::Cache* get_by_id(unsigned id) const;
148 
150  const repinfo::Cache* get_by_memo(const char* memo) const;
151 
153  int cache_find_by_id(unsigned id) const;
154 
156  int cache_find_by_memo(const char* memo) const;
157 
159  void cache_append(unsigned id, const char* memo, const char* desc, int prio,
160  const char* descriptor, int tablea);
161 
163  void rebuild_memo_idx() const;
164 
166  std::vector<repinfo::Cache> read_repinfo_file(const char* deffile);
167 
169  virtual int id_use_count(unsigned id, const char* name) = 0;
170 
172  virtual void delete_entry(unsigned id) = 0;
173 
175  virtual void update_entry(const repinfo::Cache& entry) = 0;
176 
178  virtual void insert_entry(const repinfo::Cache& entry) = 0;
179 
182  virtual void insert_auto_entry(const char* memo) = 0;
183 };
184 
185 } // namespace v7
186 } // namespace db
187 } // namespace dballe
188 #endif
int get_priority(const std::string &report)
Get the priority for a given ID; returns INT_MAX if id is not valid.
int cache_find_by_memo(const char *memo) const
Lookup a cache index by report name. Returns -1 if not found.
Forward declarations for public dballe/sql names.
const repinfo::Cache * get_by_memo(const char *memo) const
Get a Cache entry by report name.
virtual void dump(FILE *out)=0
Dump the entire contents of the database to an output stream.
int new_prio
New report priority used when updating the repinfo table.
Definition: repinfo.h:45
virtual int id_use_count(unsigned id, const char *name)=0
Return how many time this ID is used in the database.
std::string memo
Report name.
Definition: repinfo.h:30
unsigned id
Report code.
Definition: repinfo.h:27
std::vector< repinfo::Cache > read_repinfo_file(const char *deffile)
Read cache entries from a repinfo file on disk.
void rebuild_memo_idx() const
Rebuild the memo_idx cache.
virtual void update_entry(const repinfo::Cache &entry)=0
Update an entry using the new_* fields of entry.
Fast cached access to the repinfo table.
Definition: repinfo.h:72
Standard dballe::Query implementation.
Definition: core/query.h:35
Definition: cmdline.h:18
int cache_find_by_id(unsigned id) const
Lookup a cache index by database ID. Returns -1 if not found.
std::vector< repinfo::Cache > cache
Cache of table entries.
Definition: repinfo.h:141
int obtain_id(const char *memo)
Get the id of a repinfo entry given its name.
int prio
Report priority.
Definition: repinfo.h:34
Definition: sql.h:53
const repinfo::Cache * get_by_id(unsigned id) const
Get a Cache entry by database ID.
void update(const char *deffile, int *added, int *deleted, int *updated)
Update the report type information in the database using the data from the given file.
int id
Report code.
Definition: repinfo.h:64
unsigned new_tablea
New report A table value used when updating the repinfo table.
Definition: repinfo.h:49
std::string memo
Report name.
Definition: repinfo.h:62
void cache_append(unsigned id, const char *memo, const char *desc, int prio, const char *descriptor, int tablea)
Append an entry to the cache.
std::map< std::string, int > get_priorities()
Get a mapping between rep_memo and their priorities.
std::string new_desc
New report description used when updating the repinfo table.
Definition: repinfo.h:43
std::vector< repinfo::Memoidx > memo_idx
rep_memo -> rep_cod reverse index
Definition: repinfo.h:144
std::string new_descriptor
New report descriptor used when updating the repinfo table.
Definition: repinfo.h:47
std::string descriptor
Report descriptor (currently unused)
Definition: repinfo.h:36
unsigned tablea
Report A table value (currently unused)
Definition: repinfo.h:38
virtual void insert_entry(const repinfo::Cache &entry)=0
Insert an entry using the new_* fields of entry.
const char * get_rep_memo(int id)
Get the rep_memo for a given ID; throws if id is not valud.
int get_id(const char *rep_memo)
Get the ID for a given rep_memo; returns -1 if rep_memo is not valid.
std::string new_memo
New report name used when updating the repinfo table.
Definition: repinfo.h:41
repinfo cache entry
Definition: repinfo.h:24
virtual void read_cache()=0
Reread the repinfo cache from the database FIXME: needed when rolling back a transaction, won&#39;t be needed anymore when repinfo is moved to Transaction instead of db.
virtual void insert_auto_entry(const char *memo)=0
Create an automatic entry for a missing memo, and insert it in the database.
std::string desc
Report description.
Definition: repinfo.h:32
virtual void delete_entry(unsigned id)=0
Delete a repinfo entry.
reverse rep_memo -> rep_cod cache entry
Definition: repinfo.h:59
std::vector< int > ids_by_prio(const core::Query &rec)
Return a vector of IDs matching the priority constraints in the given record.