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This commit is contained in:
Wouter den Breejen 2007-10-19 13:42:17 +00:00
parent 53e31381fa
commit 1747d649c5
14 changed files with 131 additions and 157 deletions
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54
src/libstore/local-store.cc
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@ -1470,57 +1470,41 @@ void verifyStore(bool checkContents)
txn.commit();
}
void setStatePathsIntervalTxn(const Transaction & txn, const PathSet & statePaths, const IntVector & intervals, bool allZero)
void setStatePathsIntervalTxn(const Transaction & txn, const Path & statePath, const CommitIntervals & intervals)
{
if(!allZero && statePaths.size() != intervals.size()){
throw Error("the number of statepaths and intervals must be equal");
}
int n=0;
for (PathSet::iterator i = statePaths.begin(); i != statePaths.end(); ++i)
{
//printMsg(lvlError, format("Set interval of PATH: %1%") % *i);
int interval=0;
if(!allZero)
interval = intervals.at(n);
nixDB.setString(txn, dbStateCounters, *i, int2String(interval));
n++;
}
Strings data;
for (CommitIntervals::const_iterator i = intervals.begin(); i != intervals.end(); ++i)
data.push_back(mergeToDBRevKey((*i).first, (*i).second));
nixDB.setStrings(txn, dbStateCounters, statePath, data);
}
void LocalStore::setStatePathsInterval(const PathSet & statePaths, const IntVector & intervals, bool allZero)
void LocalStore::setStatePathsInterval(const Path & statePath, const CommitIntervals & intervals)
{
Transaction txn(nixDB);
nix::setStatePathsIntervalTxn(txn, statePaths, intervals, allZero);
nix::setStatePathsIntervalTxn(txn, statePath, intervals);
txn.commit();
}
IntVector getStatePathsIntervalTxn(const Transaction & txn, const PathSet & statePaths)
CommitIntervals getStatePathsIntervalTxn(const Transaction & txn, const Path & statePath)
{
string data;
Paths referers;
IntVector intervals;
for (PathSet::iterator i = statePaths.begin(); i != statePaths.end(); ++i)
Strings data;
nixDB.queryStrings(txn, dbStateCounters, statePath, data);
CommitIntervals intervals;
for (Strings::iterator i = data.begin(); i != data.end(); ++i)
{
nixDB.queryString(txn, dbStateCounters, *i, data);
//Check if every key returns a value from the db
int n;
if (!string2Int(data, n))
throw Error(format("Statepath `%1%' has returned no valid interval from the database") % *i);
intervals.push_back(n);
Path p;
unsigned int interval;
splitDBRevKey(*i, p, interval);
intervals[p] = interval;
}
return intervals;
}
IntVector LocalStore::getStatePathsInterval(const PathSet & statePaths)
CommitIntervals LocalStore::getStatePathsInterval(const Path & statePath)
{
return nix::getStatePathsIntervalTxn(noTxn, statePaths);
return nix::getStatePathsIntervalTxn(noTxn, statePath);
}