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/*
* Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
*
* 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.
*/
#include <hazelcast/client/hazelcast.h>
using namespace hazelcast::client;
int main() {
// Start the Hazelcast Client and connect to an already running Hazelcast Cluster on 127.0.0.1
auto hz = hazelcast::new_client().get();
// Get the Distributed Map from Cluster.
auto map = hz.get_map("my-distributed-map").get();
//Standard Put and Get.
map->put<std::string, std::string>("key", "value").get();
map->get<std::string, std::string>("key").get();
//Concurrent Map methods, optimistic updating
map->put_if_absent<std::string, std::string>("somekey", "somevalue").get();
// use deferred future continuation
auto future = map->replace<std::string, std::string>("key", "value", "newvalue").then(
boost::launch::deferred, [] (boost::future<bool> f) {
if (f.get()) {
std::cout << "Replaced successfully\n";
return;
}
std::cerr << "Failed to replace\n";
});
// Wait until replace is completed
future.get();
// Shutdown this Hazelcast Client
hz.shutdown().get();
return 0;
}
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