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author | Eelco Dolstra <e.dolstra@tudelft.nl> | 2003-11-18 10:55:27 +0000 |
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committer | Eelco Dolstra <e.dolstra@tudelft.nl> | 2003-11-18 10:55:27 +0000 |
commit | 9f0f020929c9e093405cc6193d2f227cab763912 (patch) | |
tree | 833aad12f6db91e77ff2fb47a2bcb54a0ea9d89f /src/libnix/db.hh | |
parent | 8798fae30450a88c339c8f23d7e0c75f5df2ef1c (diff) | |
download | guix-9f0f020929c9e093405cc6193d2f227cab763912.tar.gz |
* libnix -> libstore.
Diffstat (limited to 'src/libnix/db.hh')
-rw-r--r-- | src/libnix/db.hh | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/src/libnix/db.hh b/src/libnix/db.hh deleted file mode 100644 index 1c681b9b54..0000000000 --- a/src/libnix/db.hh +++ /dev/null @@ -1,89 +0,0 @@ -#ifndef __DB_H -#define __DB_H - -#include <string> -#include <list> -#include <map> - -#include <db_cxx.h> - -#include "util.hh" - -using namespace std; - - -class Database; - - -class Transaction -{ - friend class Database; - -private: - DbTxn * txn; - -public: - Transaction(); - Transaction(Database & _db); - ~Transaction(); - - void abort(); - void commit(); - - void moveTo(Transaction & t); -}; - - -#define noTxn Transaction() - - -typedef unsigned int TableId; /* table handles */ - - -class Database -{ - friend class Transaction; - -private: - DbEnv * env; - - int fdLock; - int fdAccessors; - - TableId nextId; - map<TableId, Db *> tables; - - void requireEnv(); - - Db * getDb(TableId table); - -public: - Database(); - ~Database(); - - void open(const string & path); - void close(); - - TableId openTable(const string & table); - - bool queryString(const Transaction & txn, TableId table, - const string & key, string & data); - - bool queryStrings(const Transaction & txn, TableId table, - const string & key, Strings & data); - - void setString(const Transaction & txn, TableId table, - const string & key, const string & data); - - void setStrings(const Transaction & txn, TableId table, - const string & key, const Strings & data); - - void delPair(const Transaction & txn, TableId table, - const string & key); - - void enumTable(const Transaction & txn, TableId table, - Strings & keys); -}; - - -#endif /* !__DB_H */ |