* 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.
*
* We modify this part of the code based on Apache Flink to implement native execution of Flink operators.
* Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
*/
#include "AvailabilityProvider.h"
#include <sstream>
namespace omnistream {
std::shared_ptr<CompletableFuture> AvailabilityProvider::AVAILABLE = std::make_shared<CompletableFuture>(true);
std::shared_ptr<CompletableFuture> AvailabilityProvider::and_(
std::shared_ptr<CompletableFuture> first, std::shared_ptr<CompletableFuture> second)
{
if (first == AVAILABLE && second == AVAILABLE) {
return AVAILABLE;
} else if (first == AVAILABLE) {
return second;
} else if (second == AVAILABLE) {
return first;
} else {
return CompletableFuture::allOf(std::vector<std::shared_ptr<CompletableFuture>>{first, second});
}
}
std::shared_ptr<CompletableFuture> AvailabilityProvider::or_(
std::shared_ptr<CompletableFuture> first, std::shared_ptr<CompletableFuture> second)
{
if (first == AVAILABLE || second == AVAILABLE) {
return AVAILABLE;
}
return CompletableFuture::anyOf(std::vector<std::shared_ptr<CompletableFuture>>{first, second});
}
}