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/*-
* ========================LICENSE_START=================================
* ONAP : ccsdk oran
* ======================================================================
* Copyright (C) 2020-2023 Nordix Foundation. 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.
* ========================LICENSE_END===================================
*/
package org.onap.ccsdk.oran.a1policymanagementservice.controllers;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.lang.invoke.MethodHandles;
import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClient;
import org.onap.ccsdk.oran.a1policymanagementservice.clients.AsyncRestClientFactory;
import org.onap.ccsdk.oran.a1policymanagementservice.repository.Ric;
import org.onap.ccsdk.oran.a1policymanagementservice.repository.Service;
import org.onap.ccsdk.oran.a1policymanagementservice.repository.Services;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
/**
* Callbacks to the Service
*/
@SuppressWarnings("java:S3457") // No need to call "toString()" method as formatting and string ..
public class ServiceCallbacks {
private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
private static Gson gson = new GsonBuilder().create();
private final AsyncRestClient restClient;
public ServiceCallbacks(AsyncRestClientFactory restClientFactory) {
this.restClient = restClientFactory.createRestClientNoHttpProxy("");
}
public Flux<Service> notifyServicesRicAvailable(Ric ric, Services services) {
final int CONCURRENCY = 10;
return Flux.fromIterable(services.getAll()) //
.flatMap(service -> notifyService(ric, service, ServiceCallbackInfo.EventType.AVAILABLE), CONCURRENCY); //
}
private Mono<Service> notifyService(Ric ric, Service service, ServiceCallbackInfo.EventType eventType) {
if (service.getCallbackUrl().isEmpty()) {
return Mono.empty();
}
ServiceCallbackInfo request = new ServiceCallbackInfo(ric.id(), eventType);
String body = gson.toJson(request);
return restClient.post(service.getCallbackUrl(), body)
.doOnNext(resp -> logger.debug("Invoking service {} callback, ric: {}", service.getName(), ric.id()))
.onErrorResume(throwable -> {
logger.warn("Service: {}, callback: {} failed: {}", service.getName(), service.getCallbackUrl(),
throwable.toString());
return Mono.empty();
}) //
.flatMap(resp -> Mono.just(service));
}
}
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