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#include "index.h"
#include <QDebug>
Index::Index(const QString &storageRoot, const QString &name, Sink::Storage::AccessMode mode)
: mTransaction(Sink::Storage(storageRoot, name, mode).createTransaction(mode)),
mDb(mTransaction.openDatabase(name.toLatin1(), std::function<void(const Sink::Storage::Error &)>(), true))
{
}
Index::Index(const QByteArray &name, Sink::Storage::Transaction &transaction)
: mDb(transaction.openDatabase(name, std::function<void(const Sink::Storage::Error &)>(), true))
{
}
void Index::add(const QByteArray &key, const QByteArray &value)
{
mDb.write(key, value);
}
void Index::remove(const QByteArray &key, const QByteArray &value)
{
mDb.remove(key, value);
}
void Index::lookup(const QByteArray &key, const std::function<void(const QByteArray &value)> &resultHandler,
const std::function<void(const Error &error)> &errorHandler)
{
mDb.scan(key, [this, resultHandler](const QByteArray &key, const QByteArray &value) -> bool {
resultHandler(value);
return true;
},
[errorHandler](const Sink::Storage::Error &error) {
qDebug() << "Error while retrieving value" << error.message;
errorHandler(Error(error.store, error.code, error.message));
}
);
}
QByteArray Index::lookup(const QByteArray &key)
{
QByteArray result;
lookup(key,
[&result](const QByteArray &value) {
result = value;
},
[](const Index::Error &error) {
qDebug() << "Error while retrieving value" << error.message;
});
return result;
}
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