Files
scylladb/types/set.hh
2019-01-24 09:56:38 +01:00

82 lines
3.7 KiB
C++

/*
* Copyright (C) 2014 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <seastar/core/shared_ptr.hh>
#include <seastar/core/sstring.hh>
#include <vector>
#include "types.hh"
#include "types/collection.hh"
class user_type_impl;
class cql_serialization_format;
namespace Json {
class Value;
}
class set_type_impl final : public concrete_collection_type<std::vector<data_value>> {
using set_type = shared_ptr<const set_type_impl>;
using intern = type_interning_helper<set_type_impl, data_type, bool>;
data_type _elements;
bool _is_multi_cell;
protected:
virtual sstring cql3_type_name() const override;
public:
static set_type get_instance(data_type elements, bool is_multi_cell);
set_type_impl(data_type elements, bool is_multi_cell);
data_type get_elements_type() const { return _elements; }
virtual data_type name_comparator() const override { return _elements; }
virtual data_type value_comparator() const override;
virtual bool is_multi_cell() const override { return _is_multi_cell; }
virtual data_type freeze() const override;
virtual bool is_compatible_with_frozen(const collection_type_impl& previous) const override;
virtual bool is_value_compatible_with_frozen(const collection_type_impl& previous) const override;
virtual bool less(bytes_view o1, bytes_view o2) const override;
virtual bool is_byte_order_comparable() const override { return _elements->is_byte_order_comparable(); }
virtual void serialize(const void* value, bytes::iterator& out) const override;
virtual void serialize(const void* value, bytes::iterator& out, cql_serialization_format sf) const override;
virtual size_t serialized_size(const void* value) const override;
virtual data_value deserialize(bytes_view v) const override;
virtual data_value deserialize(bytes_view v, cql_serialization_format sf) const override;
virtual sstring to_string(const bytes& b) const override;
virtual sstring to_json_string(const bytes& b) const override;
virtual bytes from_json_object(const Json::Value& value, cql_serialization_format sf) const override;
virtual size_t hash(bytes_view v) const override;
virtual bytes from_string(sstring_view text) const override;
virtual std::vector<bytes> serialized_values(std::vector<atomic_cell> cells) const override;
virtual bytes to_value(mutation_view mut, cql_serialization_format sf) const override;
bytes serialize_partially_deserialized_form(
const std::vector<bytes_view>& v, cql_serialization_format sf) const;
virtual bool references_user_type(const sstring& keyspace, const bytes& name) const override;
virtual std::optional<data_type> update_user_type(const shared_ptr<const user_type_impl> updated) const override;
virtual bool references_duration() const override;
};
data_value make_set_value(data_type tuple_type, set_type_impl::native_type value);
template <typename NativeType>
data_value::data_value(const std::unordered_set<NativeType>& v)
: data_value(new set_type_impl::native_type(v.begin(), v.end()), set_type_impl::get_instance(data_type_for<NativeType>(), true))
{}