rest-services/dmaap-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/dmaap/client/api/DmaapClientFactory.java

   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.ON_RETRY_EXHAUSTED_EXCEPTION;
  40 import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_EXCEPTIONS;
  41 import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_HTTP_CODES;
  42
  43 /**
  44  * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
  45  * @since 1.1.4
  46  */
  47 public final class DmaapClientFactory {
  48
  49     private DmaapClientFactory() {
  50     }
  51
  52     public static @NotNull MessageRouterPublisher createMessageRouterPublisher(
  53             @NotNull MessageRouterPublisherConfig clientConfiguration) {
  54
  55         return new MessageRouterPublisherImpl(
  56                 createHttpClient(clientConfiguration),
  57                 clientConfiguration.maxBatchSize(),
  58                 clientConfiguration.maxBatchDuration(),
  59                 new ClientErrorReasonPresenter());
  60     }
  61
  62     public static @NotNull MessageRouterSubscriber createMessageRouterSubscriber(
  63             @NotNull MessageRouterSubscriberConfig clientConfiguration) {
  64         return new MessageRouterSubscriberImpl(
  65                 createHttpClient(clientConfiguration),
  66                 clientConfiguration.gsonInstance(),
  67                 new ClientErrorReasonPresenter());
  68     }
  69
  70     private static @NotNull RxHttpClient createHttpClient(DmaapClientConfiguration config) {
  71         RxHttpClientConfig clientConfig = ImmutableRxHttpClientConfig.builder()
  72                 .retryConfig(createRetry(config))
  73                 .build();
  74         return config.securityKeys() == null
  75                 ? RxHttpClientFactory.create(clientConfig)
  76                 : RxHttpClientFactory.create(config.securityKeys(), clientConfig);
  77     }
  78
  79     private static RetryConfig createRetry(DmaapClientConfiguration config) {
  80         return Option.of(config.retryConfig())
  81                 .map(rc -> ImmutableRetryConfig.builder()
  82                         .retryInterval(Duration.ofSeconds(rc.retryIntervalInSeconds()))
  83                         .retryCount(rc.retryCount())
  84                         .retryableHttpResponseCodes(RETRYABLE_HTTP_CODES)
  85                         .customRetryableExceptions(RETRYABLE_EXCEPTIONS)
  86                         .onRetryExhaustedException(ON_RETRY_EXHAUSTED_EXCEPTION)
  87                         .build())
  88                 .getOrNull();
  89     }
  90 }
  91