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/*
* Copyright 2018 Google
*
* Licensed 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.
*/
#ifndef FIRESTORE_CORE_SRC_FIREBASE_FIRESTORE_MODEL_DATABASE_ID_H_
#define FIRESTORE_CORE_SRC_FIREBASE_FIRESTORE_MODEL_DATABASE_ID_H_
#include <cstdint>
#include <string>
#include "Firestore/core/src/firebase/firestore/util/hashing.h"
#include "absl/strings/string_view.h"
namespace firebase {
namespace firestore {
namespace model {
/** A DatabaseId represents a particular database in the Firestore. */
class DatabaseId {
public:
/** The default name for "unset" database ID in resource names. */
static constexpr const char* kDefault = "(default)";
#if defined(__OBJC__)
// For objective-c++ initialization; to be removed after migration.
// Do NOT use in C++ code.
DatabaseId() = default;
#endif // defined(__OBJC__)
/**
* Creates and returns a new DatabaseId.
*
* @param project_id The project for the database.
* @param database_id The database in the project to use.
*/
DatabaseId(absl::string_view project_id, absl::string_view database_id);
const std::string& project_id() const {
return project_id_;
}
const std::string& database_id() const {
return database_id_;
}
/** Whether this is the default database of the project. */
bool IsDefaultDatabase() const {
return database_id_ == kDefault;
}
#if defined(__OBJC__)
// For objective-c++ hash; to be removed after migration.
// Do NOT use in C++ code.
size_t Hash() const {
return util::Hash(project_id_, database_id_);
}
#endif // defined(__OBJC__)
friend bool operator<(const DatabaseId& lhs, const DatabaseId& rhs);
private:
std::string project_id_;
std::string database_id_;
};
/** Compares against another DatabaseId. */
inline bool operator<(const DatabaseId& lhs, const DatabaseId& rhs) {
return lhs.project_id_ < rhs.project_id_ ||
(lhs.project_id_ == rhs.project_id_ &&
lhs.database_id_ < rhs.database_id_);
}
inline bool operator>(const DatabaseId& lhs, const DatabaseId& rhs) {
return rhs < lhs;
}
inline bool operator>=(const DatabaseId& lhs, const DatabaseId& rhs) {
return !(lhs < rhs);
}
inline bool operator<=(const DatabaseId& lhs, const DatabaseId& rhs) {
return !(lhs > rhs);
}
inline bool operator!=(const DatabaseId& lhs, const DatabaseId& rhs) {
return lhs < rhs || lhs > rhs;
}
inline bool operator==(const DatabaseId& lhs, const DatabaseId& rhs) {
return !(lhs != rhs);
}
} // namespace model
} // namespace firestore
} // namespace firebase
#endif // FIRESTORE_CORE_SRC_FIREBASE_FIRESTORE_MODEL_DATABASE_ID_H_
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