blob: ad8b6f605804989f18555519bec8e841caabd98f [file] [log] [blame]
/**
* 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.
*/
#pragma once
#include <exception>
#include <string>
#include <chrono>
#include <optional>
#include <memory>
#include <utility>
#include "date/tz.h"
#include "Exception.h"
namespace org::apache::nifi::minifi::utils {
class BadCronExpression : public minifi::Exception {
public:
explicit BadCronExpression(const std::string& errmsg) : minifi::Exception(errmsg) {}
};
class CronField {
public:
virtual ~CronField() = default;
[[nodiscard]] virtual bool matches(date::local_seconds time_point) const = 0;
};
class Cron {
public:
explicit Cron(const std::string& expression);
[[nodiscard]] std::optional<date::local_seconds> calculateNextTrigger(date::local_seconds start) const;
std::unique_ptr<CronField> second_;
std::unique_ptr<CronField> minute_;
std::unique_ptr<CronField> hour_;
std::unique_ptr<CronField> day_;
std::unique_ptr<CronField> month_;
std::unique_ptr<CronField> day_of_week_;
std::unique_ptr<CronField> year_;
};
} // namespace org::apache::nifi::minifi::utils