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
11 * http://www.apache.org/licenses/LICENSE-2.0
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=====================================
20 package org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.api;
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.ConnectionPoolConfig;
27 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableConnectionPoolConfig;
28 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRetryConfig;
29 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.ImmutableRxHttpClientConfig;
30 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.RetryConfig;
31 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.config.RxHttpClientConfig;
32 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.error.ClientErrorReasonPresenter;
33 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.impl.MessageRouterPublisherImpl;
34 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.impl.MessageRouterSubscriberImpl;
35 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapClientConfiguration;
36 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterPublisherConfig;
37 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.MessageRouterSubscriberConfig;
39 import java.time.Duration;
41 import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_EXCEPTIONS;
42 import static org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.config.DmaapRetryConfig.RETRYABLE_HTTP_CODES;
45 * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
48 public final class DmaapClientFactory {
50 private DmaapClientFactory() {
53 public static @NotNull MessageRouterPublisher createMessageRouterPublisher(
54 @NotNull MessageRouterPublisherConfig clientConfiguration) {
56 return new MessageRouterPublisherImpl(
57 createHttpClient(clientConfiguration),
58 clientConfiguration.maxBatchSize(),
59 clientConfiguration.maxBatchDuration(),
60 new ClientErrorReasonPresenter());
63 public static @NotNull MessageRouterSubscriber createMessageRouterSubscriber(
64 @NotNull MessageRouterSubscriberConfig clientConfiguration) {
65 return new MessageRouterSubscriberImpl(
66 createHttpClient(clientConfiguration),
67 clientConfiguration.gsonInstance(),
68 new ClientErrorReasonPresenter());
71 private static @NotNull RxHttpClient createHttpClient(DmaapClientConfiguration config) {
72 RxHttpClientConfig clientConfig = ImmutableRxHttpClientConfig.builder()
73 .connectionPool(createConnectionPool(config))
74 .retryConfig(createRetry(config))
76 return config.securityKeys() == null
77 ? RxHttpClientFactory.create(clientConfig)
78 : RxHttpClientFactory.create(config.securityKeys(), clientConfig);
81 private static RetryConfig createRetry(DmaapClientConfiguration config) {
82 return Option.of(config.retryConfig())
83 .map(rc -> ImmutableRetryConfig.builder()
84 .retryInterval(Duration.ofSeconds(rc.retryIntervalInSeconds()))
85 .retryCount(rc.retryCount())
86 .retryableHttpResponseCodes(RETRYABLE_HTTP_CODES)
87 .customRetryableExceptions(RETRYABLE_EXCEPTIONS)
92 private static ConnectionPoolConfig createConnectionPool(DmaapClientConfiguration config){
93 return Option.of(config.connectionPoolConfig())
94 .map(cp -> ImmutableConnectionPoolConfig.builder()
95 .connectionPool(cp.connectionPool())
96 .maxIdleTime(Duration.ofSeconds(cp.maxIdleTime()))
97 .maxLifeTime(Duration.ofSeconds(cp.maxLifeTime()))