blob: adf7230ee82d6a0b84a9933f56cce1703af03faa [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 "celix/Promise.h"
#include "celix/PushStream.h"
class ICalculator {
public:
virtual ~ICalculator() noexcept = default;
/**
* (Remote) call which provides a stream from provider -> user.
* @return
*/
virtual std::shared_ptr<celix::PushStream<double>> result() = 0;
/**
* (Remote) call which invokes async and return a Promise object for async resolving the successful or
* unsuccessful return value.
*/
virtual celix::Promise<double> add(double a, double b) = 0;
};