gerrit.onap Code Review - dcaegen2/services.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * BBS-RELOCATION-CPE-AUTHENTICATION-HANDLER
   4  * ================================================================================
   5  * Copyright (C) 2019 NOKIA Intellectual Property. All rights reserved.
   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.onap.bbs.event.processor.tasks;
  22
  23 import javax.annotation.PostConstruct;
  24 import javax.annotation.PreDestroy;
  25
  26 import org.onap.bbs.event.processor.config.ApplicationConfiguration;
  27 import org.onap.bbs.event.processor.config.ConfigurationChangeObserver;
  28 import org.onap.bbs.event.processor.exceptions.DmaapException;
  29 import org.onap.bbs.event.processor.model.ControlLoopPublisherDmaapModel;
  30 import org.onap.bbs.event.processor.utilities.ControlLoopJsonBodyBuilder;
  31 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.DMaaPPublisherReactiveHttpClient;
  32 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.DmaaPRestTemplateFactory;
  33 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.service.producer.PublisherReactiveHttpClientFactory;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36 import org.springframework.beans.factory.annotation.Autowired;
  37 import org.springframework.http.ResponseEntity;
  38 import org.springframework.stereotype.Component;
  39
  40 import reactor.core.publisher.Mono;
  41
  42 @Component
  43 public class DmaapPublisherTaskImpl implements DmaapPublisherTask, ConfigurationChangeObserver {
  44
  45     private static final Logger LOGGER = LoggerFactory.getLogger(DmaapPublisherTaskImpl.class);
  46     private ApplicationConfiguration configuration;
  47     private final PublisherReactiveHttpClientFactory httpClientFactory;
  48
  49     private DMaaPPublisherReactiveHttpClient httpClient;
  50
  51     @Autowired
  52     DmaapPublisherTaskImpl(ApplicationConfiguration configuration) {
  53         this(configuration, new PublisherReactiveHttpClientFactory(new DmaaPRestTemplateFactory(),
  54                 new ControlLoopJsonBodyBuilder()));
  55     }
  56
  57     DmaapPublisherTaskImpl(ApplicationConfiguration configuration,
  58                            PublisherReactiveHttpClientFactory httpClientFactory) {
  59         this.configuration = configuration;
  60         this.httpClientFactory = httpClientFactory;
  61
  62         httpClient = httpClientFactory.create(this.configuration.getDmaapPublisherConfiguration());
  63     }
  64
  65     @PostConstruct
  66     void registerForConfigChanges() {
  67         configuration.register(this);
  68     }
  69
  70     @PreDestroy
  71     void unRegisterForConfigChanges() {
  72         configuration.unRegister(this);
  73     }
  74
  75     @Override
  76     public synchronized void updateConfiguration() {
  77         LOGGER.info("DMaaP Publisher update due to new application configuration");
  78         httpClient = httpClientFactory.create(this.configuration.getDmaapPublisherConfiguration());
  79     }
  80
  81     @Override
  82     public Mono<ResponseEntity<String>> execute(ControlLoopPublisherDmaapModel controlLoopPublisherDmaapModel) {
  83         if (controlLoopPublisherDmaapModel == null) {
  84             throw new DmaapException("Cannot invoke a DMaaP Publish task with a null message");
  85         }
  86         LOGGER.info("Executing task for publishing control loop message \n{}", controlLoopPublisherDmaapModel);
  87         DMaaPPublisherReactiveHttpClient httpClient = getHttpClient();
  88         return httpClient.getDMaaPProducerResponse(controlLoopPublisherDmaapModel);
  89     }
  90
  91     private synchronized DMaaPPublisherReactiveHttpClient getHttpClient() {
  92         return httpClient;
  93     }
  94 }