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scylladb/cql3/functions/function_name.hh
2015-02-04 10:29:04 +01:00

91 lines
2.1 KiB
C++

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright 2014 Cloudius Systems
*
* Modified by Cloudius Systems
*/
#ifndef CQL3_FUNCTION_NAME_HH
#define CQL3_FUNCTION_NAME_HH
#include "core/sstring.hh"
#include <iostream>
#include <functional>
namespace cql3 {
namespace functions {
class function_name final {
public:
const sstring keyspace;
const sstring name;
static function_name native_function(sstring name) {
abort();
#if 0
return new FunctionName(SystemKeyspace.NAME, name);
#endif
}
function_name(sstring keyspace, sstring name)
: keyspace(std::move(keyspace)), name(std::move(name)) {
}
#if 0
public FunctionName asNativeFunction()
{
return FunctionName.nativeFunction(name);
}
#endif
bool has_keyspace() const {
return !keyspace.empty();
}
bool operator==(const function_name& x) const {
return keyspace == x.keyspace && name == x.name;
}
};
inline
std::ostream& operator<<(std::ostream& os, const function_name& fn) {
if (!fn.keyspace.empty()) {
os << fn.keyspace << ".";
}
return os << fn.name;
}
}
}
namespace std {
template <>
struct hash<cql3::functions::function_name> {
size_t operator()(const cql3::functions::function_name& x) const {
return std::hash<sstring>()(x.keyspace) ^ std::hash<sstring>()(x.name);
}
};
}
#endif