enrichment-coordinator-service/src/main/java/org/oransc/enrichment/clients/ProducerCallbacks.java

   1 /*-
   2  * ========================LICENSE_START=================================
   3  * O-RAN-SC
   4  * %%
   5  * Copyright (C) 2020 Nordix Foundation
   6  * %%
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ========================LICENSE_END===================================
  19  */
  20
  21 package org.oransc.enrichment.clients;
  22
  23 import com.google.gson.Gson;
  24 import com.google.gson.GsonBuilder;
  25
  26 import java.lang.invoke.MethodHandles;
  27
  28 import org.oransc.enrichment.configuration.ApplicationConfig;
  29 import org.oransc.enrichment.repository.EiJob;
  30 import org.oransc.enrichment.repository.EiProducer;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 import reactor.core.publisher.Flux;
  35 import reactor.core.publisher.Mono;
  36
  37 /**
  38  * Callbacks to the EiProducer
  39  */
  40 @SuppressWarnings("java:S3457") // No need to call "toString()" method as formatting and string ..
  41 public class ProducerCallbacks {
  42
  43     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  44     private static Gson gson = new GsonBuilder().create();
  45
  46     private final AsyncRestClient restClient;
  47
  48     public ProducerCallbacks(ApplicationConfig config) {
  49         AsyncRestClientFactory restClientFactory = new AsyncRestClientFactory(config.getWebClientConfig());
  50         this.restClient = restClientFactory.createRestClient("");
  51     }
  52
  53     public void notifyProducersJobDeleted(EiJob eiJob) {
  54         ProducerJobInfo request = new ProducerJobInfo(eiJob);
  55         String body = gson.toJson(request);
  56         for (EiProducer producer : eiJob.type().getProducers()) {
  57             restClient.post(producer.getJobDeletionCallbackUrl(), body) //
  58                 .subscribe(notUsed -> logger.debug("Job deleted OK {}", producer.getId()), //
  59                     throwable -> logger.warn("Job delete failed {}", producer.getId(), throwable.toString()), null);
  60         }
  61     }
  62
  63     /**
  64      * Calls all producers for an EiJob activation.
  65      *
  66      * @param eiJob an EI job
  67      * @return the number of producers that returned OK
  68      */
  69     public Mono<Integer> notifyProducersJobStarted(EiJob eiJob) {
  70         return Flux.fromIterable(eiJob.type().getProducers()) //
  71             .flatMap(eiProducer -> notifyProducerJobStarted(eiProducer, eiJob)) //
  72             .collectList() //
  73             .flatMap(okResponses -> Mono.just(Integer.valueOf(okResponses.size()))); //
  74     }
  75
  76     /**
  77      * Calls one producer for an EiJob activation.
  78      *
  79      * @param producer a producer
  80      * @param eiJob an EI job
  81      * @return the body of the response from the REST call
  82      */
  83     public Mono<String> notifyProducerJobStarted(EiProducer producer, EiJob eiJob) {
  84         ProducerJobInfo request = new ProducerJobInfo(eiJob);
  85         String body = gson.toJson(request);
  86
  87         return restClient.post(producer.getJobCreationCallbackUrl(), body)
  88             .doOnNext(resp -> logger.debug("Job subscription started OK {}", producer.getId()))
  89             .onErrorResume(throwable -> {
  90                 logger.warn("Job subscription failed {}", producer.getId(), throwable.toString());
  91                 return Mono.empty();
  92             });
  93     }
  94
  95 }