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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "documentmetastoreinitializer.h"
#include "documentmetastore.h"
#include <vespa/searchlib/common/indexmetainfo.h>
#include <vespa/searchcore/proton/common/eventlogger.h>
#include <vespa/vespalib/util/exceptions.h>
#include <filesystem>
using search::GrowStrategy;
using search::IndexMetaInfo;
using vespalib::IllegalStateException;
using proton::initializer::InitializerTask;
using vespalib::make_string;
namespace proton::documentmetastore {
DocumentMetaStoreInitializer::
DocumentMetaStoreInitializer(const vespalib::string baseDir,
const vespalib::string &subDbName,
const vespalib::string &docTypeName,
std::shared_ptr<DocumentMetaStore> dms)
: _baseDir(baseDir),
_subDbName(subDbName),
_docTypeName(docTypeName),
_dms(std::move(dms))
{ }
namespace {
vespalib::string
failedMsg(const char * msg) {
return make_string("Failed to load document meta store for document type '%s' from disk", msg);
}
}
void
DocumentMetaStoreInitializer::run()
{
vespalib::string name = DocumentMetaStore::getFixedName();
IndexMetaInfo info(_baseDir);
if (info.load()) {
IndexMetaInfo::Snapshot snap = info.getBestSnapshot();
if (snap.valid) {
vespalib::string attrFileName = _baseDir + "/" + snap.dirName + "/" + name;
_dms->setBaseFileName(attrFileName);
assert(_dms->hasLoadData());
vespalib::Timer stopWatch;
EventLogger::loadDocumentMetaStoreStart(_subDbName);
if (!_dms->load()) {
throw IllegalStateException(failedMsg(_docTypeName.c_str()));
} else {
_dms->commit(search::CommitParam(snap.syncToken));
}
EventLogger::loadDocumentMetaStoreComplete(_subDbName, stopWatch.elapsed());
}
} else {
std::filesystem::create_directory(std::filesystem::path(_baseDir));
info.save();
}
}
}
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