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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "rankmanager.h"
#include <vespa/searchlib/features/setup.h>
#include <vespa/searchlib/fef/fieldinfo.h>
#include <vespa/searchlib/fef/functiontablefactory.h>
#include <vespa/vespalib/util/stringfmt.h>
#include <vespa/vespalib/util/exception.h>
#include <vespa/vsm/common/document.h>
#include <vespa/vsm/vsm/vsm-adapter.hpp>
#include <vespa/log/log.h>
LOG_SETUP(".searchvisitor.rankmanager");
using vespa::config::search::RankProfilesConfig;
using vespa::config::search::vsm::VsmfieldsConfig;
using search::fef::Blueprint;
using search::fef::BlueprintFactory;
using search::fef::FieldInfo;
using search::fef::Properties;
using search::fef::RankSetup;
using vsm::VsmfieldsHandle;
using vsm::VSMAdapter;
using vsm::FieldIdTList;
using vespalib::make_string_short::fmt;
namespace streaming {
void
RankManager::Snapshot::addProperties(const vespa::config::search::RankProfilesConfig & cfg)
{
for (uint32_t i = 0; i < cfg.rankprofile.size(); ++i) {
const RankProfilesConfig::Rankprofile & curr = cfg.rankprofile[i];
_properties.push_back(NamedPropertySet());
_properties.back().first = curr.name;
Properties & p = _properties.back().second;
for (uint32_t j = 0; j < curr.fef.property.size(); ++j) {
p.add(vespalib::string(curr.fef.property[j].name.c_str()),
vespalib::string(curr.fef.property[j].value.c_str()));
}
}
}
FieldInfo::DataType
to_data_type(VsmfieldsConfig::Fieldspec::Searchmethod search_method)
{
if (search_method == VsmfieldsConfig::Fieldspec::Searchmethod::NEAREST_NEIGHBOR) {
return FieldInfo::DataType::TENSOR;
}
// This is the default FieldInfo data type if not specified.
return FieldInfo::DataType::DOUBLE;
}
void
RankManager::Snapshot::detectFields(const VsmfieldsHandle & fields)
{
for (uint32_t i = 0; i < fields->fieldspec.size(); ++i) {
const VsmfieldsConfig::Fieldspec & fs = fields->fieldspec[i];
bool isAttribute = (fs.fieldtype == VsmfieldsConfig::Fieldspec::Fieldtype::ATTRIBUTE);
LOG(debug, "Adding field of type '%s' and name '%s' with id '%u' the index environment.",
isAttribute ? "ATTRIBUTE" : "INDEX", fs.name.c_str(), i);
// This id must match the vsm specific field id
_protoEnv.addField(fs.name, isAttribute, to_data_type(fs.searchmethod));
}
}
namespace {
FieldIdTList
buildFieldSet(const VsmfieldsConfig::Documenttype::Index & ci, const search::fef::IIndexEnvironment & indexEnv,
const VsmfieldsConfig::Documenttype::IndexVector & indexes)
{
LOG(spam, "Index %s with %zd fields", ci.name.c_str(), ci.field.size());
FieldIdTList ifm;
for (const VsmfieldsConfig::Documenttype::Index::Field & cf : ci.field) {
LOG(spam, "Parsing field %s", cf.name.c_str());
auto foundIndex = std::find_if(indexes.begin(), indexes.end(),
[&cf](const auto & v) { return v.name == cf.name;});
if ((foundIndex != indexes.end()) && (cf.name != ci.name)) {
FieldIdTList sub = buildFieldSet(*foundIndex, indexEnv, indexes);
ifm.insert(ifm.end(), sub.begin(), sub.end());
} else {
const FieldInfo * info = indexEnv.getFieldByName(cf.name);
if (info != nullptr) {
LOG(debug, "Adding field '%s' to view in index '%s' (field id '%u')",
cf.name.c_str(), ci.name.c_str(), info->id());
ifm.push_back(info->id());
} else {
LOG(warning, "Field '%s' is not registred in the index environment. "
"Cannot add to index view.", cf.name.c_str());
}
}
}
return ifm;
}
}
void
RankManager::Snapshot::buildFieldMappings(const VsmfieldsHandle & fields)
{
for(const VsmfieldsConfig::Documenttype & di : fields->documenttype) {
LOG(debug, "Looking through indexes for documenttype '%s'", di.name.c_str());
for(const VsmfieldsConfig::Documenttype::Index & ci : di.index) {
FieldIdTList view = buildFieldSet(ci, _protoEnv, di.index);
if (_views.find(ci.name) == _views.end()) {
std::sort(view.begin(), view.end()); // lowest field id first
_views[ci.name] = view;
} else {
LOG(warning, "We already have a view for index '%s'. Drop the new view.", ci.name.c_str());
}
}
}
}
bool
RankManager::Snapshot::initRankSetup(const BlueprintFactory & factory)
{
// set up individual index environments per rank profile
for (uint32_t i = 0; i < _properties.size(); ++i) {
_indexEnv.push_back(_protoEnv);
IndexEnvironment & ie = _indexEnv.back();
ie.getProperties().import(_properties[i].second);
}
// set up individual rank setups per rank profile
for (uint32_t i = 0; i < _indexEnv.size(); ++i) {
IndexEnvironment & ie = _indexEnv[i];
auto rs = std::make_shared<RankSetup>(factory, ie);
rs->configure(); // reads config values from the property map
if (!rs->compile()) {
LOG(warning, "Could not compile rank setup for rank profile '%u'. Errors = %s", i, rs->getJoinedWarnings().c_str());
return false;
}
_rankSetup.push_back(rs);
}
LOG_ASSERT(_indexEnv.size() == _rankSetup.size());
LOG(debug, "Number of index environments and rank setups: %u", (uint32_t)_indexEnv.size());
LOG_ASSERT(_properties.size() == _rankSetup.size());
for (uint32_t i = 0; i < _properties.size(); ++i) {
vespalib::string number = fmt("%u", i);
_rpmap[number] = i;
}
for (uint32_t i = 0; i < _properties.size(); ++i) {
const vespalib::string &name = _properties[i].first;
_rpmap[name] = i;
}
return true;
}
RankManager::Snapshot::Snapshot() :
_tableManager(),
_protoEnv(_tableManager),
_properties(),
_indexEnv(),
_rankSetup(),
_rpmap(),
_views()
{
_tableManager.addFactory(search::fef::ITableFactory::SP(new search::fef::FunctionTableFactory(256)));
}
RankManager::Snapshot::~Snapshot() = default;
bool
RankManager::Snapshot::setup(const RankManager & rm, const std::vector<NamedPropertySet> & properties)
{
_properties = properties;
return setup(rm);
}
bool
RankManager::Snapshot::setup(const RankManager & rm)
{
VsmfieldsHandle fields = rm._vsmAdapter->getFieldsConfig();
detectFields(fields);
buildFieldMappings(fields);
if (!initRankSetup(rm._blueprintFactory)) {
return false;
}
return true;
}
bool
RankManager::Snapshot::setup(const RankManager & rm, const RankProfilesConfig & cfg)
{
addProperties(cfg);
return setup(rm);
}
void
RankManager::notify(const vsm::VSMConfigSnapshot & snap)
{
configureRankProfiles(*snap.getConfig<RankProfilesConfig>());
}
void
RankManager::configureRankProfiles(const RankProfilesConfig & cfg)
{
LOG(debug, "configureRankProfiles(): Size of cfg rankprofiles: %zd", cfg.rankprofile.size());
auto snapshot = std::make_unique<Snapshot>();
if (snapshot->setup(*this, cfg)) {
_snapshot.set(snapshot.release());
_snapshot.latch(); // switch to the new config object
} else {
vespalib::string msg = "(re-)configuration of rank manager failed";
LOG(error, "%s", msg.c_str());
throw vespalib::Exception(msg, VESPA_STRLOC);
}
}
RankManager::RankManager(VSMAdapter * const vsmAdapter) :
_blueprintFactory(),
_snapshot(),
_vsmAdapter(vsmAdapter)
{
// init blueprint factory
search::features::setup_search_features(_blueprintFactory);
}
RankManager::~RankManager() = default;
void
RankManager::configure(const vsm::VSMConfigSnapshot & snap)
{
notify(snap);
}
}
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