Class to wrap a berkeley DB database and unify access. More...
#include <database.h>
Public Member Functions | |
| database (int) | |
| constructor | |
| database (const std::wstring &) | |
| constructor | |
| ~database () | |
| destructor | |
| void | add_database (const std::wstring &, const std::wstring &) |
| add a new pair (key, data) to the database | |
| void | remove_database (const std::wstring &) |
| remove an entry from the database | |
| void | replace_database (const std::wstring &, const std::wstring &) |
| replace the data for an entry in the database | |
| std::wstring | access_database (const std::wstring &) const |
| search for a string key in the DB, return associated string data. | |
| void | dump_database (std::wostream &, bool keysonly=false) const |
| dump listing of database content to given stream | |
Private Attributes | |
| int | DBtype |
| DB type (map, hash_map, preftree) | |
| std::map< std::wstring, std::wstring > | dbmap |
| Dictionary for map type. | |
| PrefTree * | dbptree |
| Dictionary for hash_map type. | |
Detailed Description
Class to wrap a berkeley DB database and unify access.
All databases in Freeling use a string key to index string data.
Constructor & Destructor Documentation
| freeling::database::database | ( | int | type | ) |
| freeling::database::database | ( | const std::wstring & | ) |
constructor
destructor
References DB_PREFTREE.
Member Function Documentation
| wstring freeling::database::access_database | ( | const std::wstring & | ) | const |
search for a string key in the DB, return associated string data.
References DB_MAP, DB_PREFTREE, and freeling::List::ListRecData::getValue().
Referenced by freeling::punts::analyze(), and freeling::punts::punts().
| void freeling::database::add_database | ( | const std::wstring & | , |
| const std::wstring & | |||
| ) |
add a new pair (key, data) to the database
add a new pair (key, data) to the database, or if 'key' already exists, concatenate 'data' to the existing entry
References DB_MAP, and DB_PREFTREE.
| void freeling::database::dump_database | ( | std::wostream & | , |
| bool | keysonly = false |
||
| ) | const |
dump listing of database content to given stream
dump listing of database to given stream
References DB_MAP, and DB_PREFTREE.
| void freeling::database::remove_database | ( | const std::wstring & | ) |
remove an entry from the database
remove database entry for given key
References DB_MAP, and DB_PREFTREE.
| void freeling::database::replace_database | ( | const std::wstring & | key, |
| const std::wstring & | data | ||
| ) |
replace the data for an entry in the database
Replace with 'data' information associated to entry 'key' If the entry is not there, insert it.
References DB_MAP, DB_PREFTREE, and freeling::List::ListRecData::setValue().
Member Data Documentation
std::map<std::wstring,std::wstring> freeling::database::dbmap [private] |
Dictionary for map type.
PrefTree* freeling::database::dbptree [private] |
Dictionary for hash_map type.
Dictionary for pref tree type
int freeling::database::DBtype [private] |
DB type (map, hash_map, preftree)
The documentation for this class was generated from the following files:
