ee4f6d3870d3df21d79457ff61c54c6aca79677b
[dcaegen2/services/sdk.git] /
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.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;
38
39 import java.time.Duration;
40
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;
43
44 /**
45  * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
46  * @since 1.1.4
47  */
48 public final class DmaapClientFactory {
49
50     private DmaapClientFactory() {
51     }
52
53     public static @NotNull MessageRouterPublisher createMessageRouterPublisher(
54             @NotNull MessageRouterPublisherConfig clientConfiguration) {
55
56         return new MessageRouterPublisherImpl(
57                 createHttpClient(clientConfiguration),
58                 clientConfiguration.maxBatchSize(),
59                 clientConfiguration.maxBatchDuration(),
60                 new ClientErrorReasonPresenter());
61     }
62
63     public static @NotNull MessageRouterSubscriber createMessageRouterSubscriber(
64             @NotNull MessageRouterSubscriberConfig clientConfiguration) {
65         return new MessageRouterSubscriberImpl(
66                 createHttpClient(clientConfiguration),
67                 clientConfiguration.gsonInstance(),
68                 new ClientErrorReasonPresenter());
69     }
70
71     private static @NotNull RxHttpClient createHttpClient(DmaapClientConfiguration config) {
72         RxHttpClientConfig clientConfig = ImmutableRxHttpClientConfig.builder()
73                 .connectionPool(createConnectionPool(config))
74                 .retryConfig(createRetry(config))
75                 .build();
76         return config.securityKeys() == null
77                 ? RxHttpClientFactory.create(clientConfig)
78                 : RxHttpClientFactory.create(config.securityKeys(), clientConfig);
79     }
80
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)
88                         .build())
89                 .getOrNull();
90     }
91
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()))
98                         .build())
99                 .getOrNull();
100     }
101 }
102