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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "filter_attribute_manager.h"
#include "i_attribute_functor.h"
#include <vespa/searchlib/common/isequencedtaskexecutor.h>
#include <vespa/vespalib/util/exceptions.h>
using search::AttributeGuard;
using searchcorespi::IFlushTarget;
namespace proton {
namespace {
const vespalib::string FLUSH_TARGET_NAME_PREFIX("attribute.");
bool isAttributeFlushTarget(const IFlushTarget::SP &flushTarget) {
const vespalib::string &targetName = flushTarget->getName();
if ((flushTarget->getType() != IFlushTarget::Type::SYNC) ||
(flushTarget->getComponent() != IFlushTarget::Component::ATTRIBUTE)) {
return false;
}
return (targetName.substr(0, FLUSH_TARGET_NAME_PREFIX.size()) == FLUSH_TARGET_NAME_PREFIX);
}
vespalib::string attributeFlushTargetAttributeName(const IFlushTarget::SP &flushTarget) {
const vespalib::string &targetName = flushTarget->getName();
return targetName.substr(FLUSH_TARGET_NAME_PREFIX.size());
}
}
bool
FilterAttributeManager::acceptAttribute(const vespalib::string &name) const
{
return _acceptedAttributes.count(name) > 0;
}
FilterAttributeManager::FilterAttributeManager(const AttributeSet &acceptedAttributes,
const IAttributeManager::SP &mgr)
: _acceptedAttributes(acceptedAttributes),
_mgr(mgr)
{
// Assume that list of attributes in mgr doesn't change
for (const auto attr : _mgr->getWritableAttributes()) {
if (acceptAttribute(attr->getName())) {
_acceptedWritableAttributes.push_back(attr);
}
}
}
FilterAttributeManager::~FilterAttributeManager() { }
search::AttributeGuard::UP
FilterAttributeManager::getAttributeStableEnum(const vespalib::string &) const {
throw vespalib::IllegalArgumentException("Not implemented");
}
search::attribute::IAttributeContext::UP
FilterAttributeManager::createContext() const {
throw vespalib::IllegalArgumentException("Not implemented");
}
IAttributeManager::SP
FilterAttributeManager::create(const AttributeCollectionSpec &) const {
throw vespalib::IllegalArgumentException("Not implemented");
}
std::vector<searchcorespi::IFlushTarget::SP>
FilterAttributeManager::getFlushTargets() const {
std::vector<searchcorespi::IFlushTarget::SP> completeList = _mgr->getFlushTargets();
std::vector<searchcorespi::IFlushTarget::SP> list;
list.reserve(completeList.size());
for (const auto &flushTarget : completeList) {
if (isAttributeFlushTarget(flushTarget)) {
if (acceptAttribute(attributeFlushTargetAttributeName(flushTarget))) {
list.push_back(flushTarget);
}
}
}
return list;
}
search::SerialNum
FilterAttributeManager::getOldestFlushedSerialNumber() const {
throw vespalib::IllegalArgumentException("Not implemented");
}
search::SerialNum
FilterAttributeManager::getNewestFlushedSerialNumber() const {
throw vespalib::IllegalArgumentException("Not implemented");
}
void
FilterAttributeManager::getAttributeListAll(std::vector<search::AttributeGuard> &) const {
throw vespalib::IllegalArgumentException("Not implemented");
}
void
FilterAttributeManager::wipeHistory(search::SerialNum) {
throw vespalib::IllegalArgumentException("Not implemented");
}
const IAttributeFactory::SP &
FilterAttributeManager::getFactory() const {
throw vespalib::IllegalArgumentException("Not implemented");
}
AttributeGuard::UP
FilterAttributeManager::getAttribute(const vespalib::string &name) const
{
if (acceptAttribute(name)) {
return _mgr->getAttribute(name);
}
return AttributeGuard::UP();
}
void
FilterAttributeManager::getAttributeList(std::vector<AttributeGuard> &list) const
{
std::vector<AttributeGuard> completeList;
_mgr->getAttributeList(completeList);
for (const auto &attr : completeList) {
if (acceptAttribute(attr->getName())) {
list.push_back(attr);
}
}
}
search::SerialNum
FilterAttributeManager::getFlushedSerialNum(const vespalib::string &name) const
{
if (acceptAttribute(name)) {
return _mgr->getFlushedSerialNum(name);
}
return 0;
}
search::ISequencedTaskExecutor &
FilterAttributeManager::getAttributeFieldWriter() const
{
return _mgr->getAttributeFieldWriter();
}
search::AttributeVector *
FilterAttributeManager::getWritableAttribute(const vespalib::string &name) const
{
if (acceptAttribute(name)) {
return _mgr->getWritableAttribute(name);
} else {
return nullptr;
}
}
const std::vector<search::AttributeVector *> &
FilterAttributeManager::getWritableAttributes() const
{
return _acceptedWritableAttributes;
}
void
FilterAttributeManager::asyncForEachAttribute(std::shared_ptr<IAttributeFunctor>
func) const
{
// Run by document db master thread
std::vector<AttributeGuard> completeList;
_mgr->getAttributeList(completeList);
search::ISequencedTaskExecutor &attributeFieldWriter =
getAttributeFieldWriter();
for (auto &guard : completeList) {
search::AttributeVector::SP attrsp = guard.getSP();
// Name must be extracted in document db master thread or attribute
// writer thread
vespalib::string attributeName = attrsp->getName();
attributeFieldWriter.
execute(attributeName, [attrsp, func]() { (*func)(*attrsp); });
}
}
ExclusiveAttributeReadAccessor::UP
FilterAttributeManager::getExclusiveReadAccessor(const vespalib::string &name) const
{
if (acceptAttribute(name)) {
return _mgr->getExclusiveReadAccessor(name);
} else {
return ExclusiveAttributeReadAccessor::UP();
}
}
void
FilterAttributeManager::setImportedAttributes(std::unique_ptr<ImportedAttributesRepo>)
{
throw vespalib::IllegalArgumentException("Not implemented");
}
}
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