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

   1 /*
   2  * ============LICENSE_START====================================
   3  * DCAEGEN2-SERVICES-SDK
   4  * =========================================================
   5  * Copyright (C) 2019-2021 Nokia. 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 package org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.api;
  21
  22 import io.vavr.control.Option;
  23 import org.jetbrains.annotations.NotNull;
  24 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClient;
  25 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClientFactory;
  26 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRetryConfig;
  27 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRxHttpClientConfig;
  28 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.RetryConfig;
  29 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.RxHttpClientConfig;
  30 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.error.ClientErrorReasonPresenter;
  31 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.impl.MessageRouterPublisherImpl;
  32 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.impl.MessageRouterSubscriberImpl;
  33 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapClientConfiguration;
  34 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterPublisherConfig;
  35 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterSubscriberConfig;
  36
  37 import java.time.Duration;
  38
  39 import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_EXCEPTIONS;
  40 import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_HTTP_CODES;
  41
  42 /**
  43  * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
  44  * @since 1.1.4
  45  */
  46 public final class DmaapClientFactory {
  47
  48     private DmaapClientFactory() {
  49     }
  50
  51     public static @NotNull MessageRouterPublisher createMessageRouterPublisher(
  52             @NotNull MessageRouterPublisherConfig clientConfiguration) {
  53
  54         return new MessageRouterPublisherImpl(
  55                 createHttpClient(clientConfiguration),
  56                 clientConfiguration.maxBatchSize(),
  57                 clientConfiguration.maxBatchDuration(),
  58                 new ClientErrorReasonPresenter());
  59     }
  60
  61     public static @NotNull MessageRouterSubscriber createMessageRouterSubscriber(
  62             @NotNull MessageRouterSubscriberConfig clientConfiguration) {
  63         return new MessageRouterSubscriberImpl(
  64                 createHttpClient(clientConfiguration),
  65                 clientConfiguration.gsonInstance(),
  66                 new ClientErrorReasonPresenter());
  67     }
  68
  69     private static @NotNull RxHttpClient createHttpClient(DmaapClientConfiguration config) {
  70         RxHttpClientConfig clientConfig = ImmutableRxHttpClientConfig.builder()
  71                 .retryConfig(createRetry(config))
  72                 .build();
  73         return config.securityKeys() == null
  74                 ? RxHttpClientFactory.create(clientConfig)
  75                 : RxHttpClientFactory.create(config.securityKeys(), clientConfig);
  76     }
  77
  78     private static RetryConfig createRetry(DmaapClientConfiguration config) {
  79         return Option.of(config.retryConfig())
  80                 .map(rc -> ImmutableRetryConfig.builder()
  81                         .retryInterval(Duration.ofSeconds(rc.retryIntervalInSeconds()))
  82                         .retryCount(rc.retryCount())
  83                         .retryableHttpResponseCodes(RETRYABLE_HTTP_CODES)
  84                         .customRetryableExceptions(RETRYABLE_EXCEPTIONS)
  85                         .build())
  86                 .getOrNull();
  87     }
  88 }
  89