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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "docstorevalidator.h"
#include <vespa/searchlib/common/bitvector.h>
namespace proton
{
DocStoreValidator::DocStoreValidator(IDocumentMetaStore &dms)
: _dms(dms),
_docIdLimit(dms.getCommittedDocIdLimit()),
_invalid(search::BitVector::create(_docIdLimit)),
_orphans(search::BitVector::create(_docIdLimit)),
_visitCount(0u),
_visitEmptyCount(0u)
{
for (uint32_t lid = 1; lid < _docIdLimit; ++lid) {
if (_dms.validLid(lid)) {
_invalid->setBit(lid);
}
}
}
void
DocStoreValidator::visit(uint32_t lid, const document::Document &doc)
{
if (lid == 0 || lid >= _docIdLimit)
return;
++_visitCount;
if (!_dms.validLid(lid)) {
_orphans->setBit(lid);
return;
}
const document::DocumentId &docId(doc.getId());
const document::GlobalId &gid = docId.getGlobalId();
const RawDocumentMetaData &meta = _dms.getRawMetaData(lid);
const document::GlobalId &dmsGid = meta.getGid();
if (gid == dmsGid) {
_invalid->clearBit(lid);
} else {
_invalid->setBit(lid);
}
}
void
DocStoreValidator::visit(uint32_t lid)
{
if (lid == 0 || lid >= _docIdLimit)
return;
++_visitEmptyCount;
if (!_dms.validLid(lid)) {
_orphans->clearBit(lid);
return;
}
_invalid->setBit(lid);
}
void
DocStoreValidator::visitDone()
{
_invalid->invalidateCachedCount();
_orphans->invalidateCachedCount();
(void) _invalid->countTrueBits();
(void) _orphans->countTrueBits();
}
uint32_t
DocStoreValidator::getInvalidCount() const
{
return _invalid->countTrueBits();
}
uint32_t
DocStoreValidator::getOrphanCount() const
{
return _orphans->countTrueBits();
}
void
DocStoreValidator::killOrphans(search::IDocumentStore &store,
search::SerialNum serialNum)
{
for (uint32_t lid = 1; lid < _docIdLimit; ++lid) {
if (_orphans->testBit(lid)) {
assert(!_dms.validLid(lid));
store.remove(serialNum, lid);
}
}
}
LidVectorContext::SP
DocStoreValidator::getInvalidLids() const
{
LidVectorContext::SP res(new LidVectorContext(_docIdLimit));
assert(_invalid->size() == _docIdLimit);
for (search::DocumentIdT lid(_invalid->getFirstTrueBit(1));
lid < _docIdLimit;
lid = _invalid->getNextTrueBit(lid + 1)) {
res->addLid(lid);
}
return res;
}
} // namespace proton
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