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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/matcher/schema/expression_internal_schema_all_elem_match_from_index.h"
#include "mongo/bson/bsonobj.h"
#include "mongo/bson/bsonobjbuilder.h"
namespace mongo {
constexpr StringData InternalSchemaAllElemMatchFromIndexMatchExpression::kName;
InternalSchemaAllElemMatchFromIndexMatchExpression::
InternalSchemaAllElemMatchFromIndexMatchExpression(
StringData path, long long index, std::unique_ptr<ExpressionWithPlaceholder> expression)
: ArrayMatchingMatchExpression(MatchExpression::INTERNAL_SCHEMA_ALL_ELEM_MATCH_FROM_INDEX,
path),
_index(index),
_expression(std::move(expression)) {}
std::unique_ptr<MatchExpression> InternalSchemaAllElemMatchFromIndexMatchExpression::shallowClone()
const {
auto clone = stdx::make_unique<InternalSchemaAllElemMatchFromIndexMatchExpression>(
path(), _index, _expression->shallowClone());
if (getTag()) {
clone->setTag(getTag()->clone());
}
return std::move(clone);
}
bool InternalSchemaAllElemMatchFromIndexMatchExpression::equivalent(
const MatchExpression* other) const {
if (matchType() != other->matchType()) {
return false;
}
const InternalSchemaAllElemMatchFromIndexMatchExpression* realOther =
static_cast<const InternalSchemaAllElemMatchFromIndexMatchExpression*>(other);
return (_index == realOther->_index && _expression->equivalent(realOther->_expression.get()));
}
void InternalSchemaAllElemMatchFromIndexMatchExpression::debugString(StringBuilder& debug,
int level) const {
_debugAddSpace(debug, level);
debug << kName << "\n";
debug << " index: " << _index << ", query:\n";
_expression->getFilter()->debugString(debug, level + 1);
}
void InternalSchemaAllElemMatchFromIndexMatchExpression::serialize(BSONObjBuilder* out) const {
BSONObjBuilder allElemMatchBob(out->subobjStart(path()));
BSONArrayBuilder subArray(allElemMatchBob.subarrayStart(kName));
subArray.append(_index);
{
BSONObjBuilder eBuilder(subArray.subobjStart());
_expression->getFilter()->serialize(&eBuilder);
eBuilder.doneFast();
}
subArray.doneFast();
allElemMatchBob.doneFast();
}
MatchExpression::ExpressionOptimizerFunc
InternalSchemaAllElemMatchFromIndexMatchExpression::getOptimizer() const {
return [](std::unique_ptr<MatchExpression> expression) {
static_cast<InternalSchemaAllElemMatchFromIndexMatchExpression&>(*expression)
._expression->optimizeFilter();
return expression;
};
}
} // namespace mongo
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