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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "attribute_manager_initializer.h"
#include "attributes_initializer_base.h"
#include "attribute_collection_spec_factory.h"
#include <vespa/searchcorespi/index/i_thread_service.h>
#include <future>
using search::AttributeVector;
using search::GrowStrategy;
using search::SerialNum;
using vespa::config::search::AttributesConfig;
using vespalib::datastore::CompactionStrategy;
namespace proton {
using initializer::InitializerTask;
namespace {
class AttributeInitializerTask : public InitializerTask
{
private:
AttributeInitializer::UP _initializer;
DocumentMetaStore::SP _documentMetaStore;
InitializedAttributesResult &_result;
public:
AttributeInitializerTask(AttributeInitializer::UP initializer,
DocumentMetaStore::SP documentMetaStore,
InitializedAttributesResult &result)
: _initializer(std::move(initializer)),
_documentMetaStore(std::move(documentMetaStore)),
_result(result)
{}
void run() override {
AttributeInitializerResult result = _initializer->init();
if (result) {
AttributesInitializerBase::considerPadAttribute(*result.getAttribute(),
_initializer->getCurrentSerialNum(),
_documentMetaStore->getCommittedDocIdLimit());
_result.add(result);
}
}
size_t get_transient_memory_usage() const override {
return _initializer->get_transient_memory_usage();
}
};
class AttributeManagerInitializerTask : public vespalib::Executor::Task
{
std::promise<void> _promise;
search::SerialNum _configSerialNum;
DocumentMetaStore::SP _documentMetaStore;
AttributeManager::SP _attrMgr;
InitializedAttributesResult &_attributesResult;
public:
AttributeManagerInitializerTask(std::promise<void> &&promise,
search::SerialNum configSerialNum,
DocumentMetaStore::SP documentMetaStore,
AttributeManager::SP attrMgr,
InitializedAttributesResult &attributesResult);
~AttributeManagerInitializerTask() override;
void run() override;
};
AttributeManagerInitializerTask::AttributeManagerInitializerTask(std::promise<void> &&promise,
search::SerialNum configSerialNum,
DocumentMetaStore::SP documentMetaStore,
AttributeManager::SP attrMgr,
InitializedAttributesResult &attributesResult)
: _promise(std::move(promise)),
_configSerialNum(configSerialNum),
_documentMetaStore(std::move(documentMetaStore)),
_attrMgr(std::move(attrMgr)),
_attributesResult(attributesResult)
{
}
AttributeManagerInitializerTask::~AttributeManagerInitializerTask() = default;
void
AttributeManagerInitializerTask::run()
{
_attrMgr->addExtraAttribute(_documentMetaStore);
_attrMgr->addInitializedAttributes(_attributesResult.get(), 1, _configSerialNum);
_attrMgr->pruneRemovedFields(_configSerialNum);
_promise.set_value();
}
class AttributeInitializerTasksBuilder : public IAttributeInitializerRegistry
{
private:
InitializerTask &_attrMgrInitTask;
InitializerTask::SP _documentMetaStoreInitTask;
DocumentMetaStore::SP _documentMetaStore;
InitializedAttributesResult &_attributesResult;
public:
AttributeInitializerTasksBuilder(InitializerTask &attrMgrInitTask,
InitializerTask::SP documentMetaStoreInitTask,
DocumentMetaStore::SP documentMetaStore,
InitializedAttributesResult &attributesResult);
~AttributeInitializerTasksBuilder() override;
void add(AttributeInitializer::UP initializer) override;
};
AttributeInitializerTasksBuilder::AttributeInitializerTasksBuilder(InitializerTask &attrMgrInitTask,
InitializerTask::SP documentMetaStoreInitTask,
DocumentMetaStore::SP documentMetaStore,
InitializedAttributesResult &attributesResult)
: _attrMgrInitTask(attrMgrInitTask),
_documentMetaStoreInitTask(std::move(documentMetaStoreInitTask)),
_documentMetaStore(std::move(documentMetaStore)),
_attributesResult(attributesResult)
{ }
AttributeInitializerTasksBuilder::~AttributeInitializerTasksBuilder() = default;
void
AttributeInitializerTasksBuilder::add(AttributeInitializer::UP initializer) {
InitializerTask::SP attributeInitTask =
std::make_shared<AttributeInitializerTask>(std::move(initializer),
_documentMetaStore,
_attributesResult);
attributeInitTask->addDependency(_documentMetaStoreInitTask);
_attrMgrInitTask.addDependency(attributeInitTask);
}
}
std::unique_ptr<AttributeCollectionSpec>
AttributeManagerInitializer::createAttributeSpec() const
{
uint32_t docIdLimit = 1; // The real docIdLimit is used after attributes are loaded to pad them
AttributeCollectionSpecFactory factory(_alloc_strategy, _fastAccessAttributesOnly);
return factory.create(_attrCfg, docIdLimit, _configSerialNum);
}
AttributeManagerInitializer::AttributeManagerInitializer(SerialNum configSerialNum,
initializer::InitializerTask::SP documentMetaStoreInitTask,
DocumentMetaStore::SP documentMetaStore,
const AttributeManager & baseAttrMgr,
const AttributesConfig &attrCfg,
const AllocStrategy& alloc_strategy,
bool fastAccessAttributesOnly,
searchcorespi::index::IThreadService &master,
std::shared_ptr<AttributeManager::SP> attrMgrResult)
: _configSerialNum(configSerialNum),
_documentMetaStore(documentMetaStore),
_attrMgr(),
_attrCfg(attrCfg),
_alloc_strategy(alloc_strategy),
_fastAccessAttributesOnly(fastAccessAttributesOnly),
_master(master),
_attributesResult(),
_attrMgrResult(std::move(attrMgrResult))
{
addDependency(documentMetaStoreInitTask);
AttributeInitializerTasksBuilder tasksBuilder(*this, std::move(documentMetaStoreInitTask), std::move(documentMetaStore), _attributesResult);
std::unique_ptr<AttributeCollectionSpec> attrSpec = createAttributeSpec();
_attrMgr = std::make_shared<AttributeManager>(baseAttrMgr, std::move(*attrSpec), tasksBuilder);
}
AttributeManagerInitializer::~AttributeManagerInitializer() = default;
void
AttributeManagerInitializer::run()
{
std::promise<void> promise;
auto future = promise.get_future();
/*
* Attribute manager and some its members (e.g. _attributeFieldWriter) assumes that work is performed
* by document db master thread and lacks locking to handle calls from multiple threads.
*/
_master.execute(std::make_unique<AttributeManagerInitializerTask>(std::move(promise),
_configSerialNum,
_documentMetaStore,
_attrMgr,
_attributesResult));
future.wait();
*_attrMgrResult = _attrMgr;
}
} // namespace proton
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