2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA
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.dcae.collectors.veshv.impl.adapters.kafka
22 import org.apache.kafka.clients.producer.ProducerConfig.ACKS_CONFIG
23 import org.apache.kafka.clients.producer.ProducerConfig.BOOTSTRAP_SERVERS_CONFIG
24 import org.apache.kafka.clients.producer.ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG
25 import org.apache.kafka.clients.producer.ProducerConfig.MAX_IN_FLIGHT_REQUESTS_PER_CONNECTION
26 import org.apache.kafka.clients.producer.ProducerConfig.RETRIES_CONFIG
27 import org.apache.kafka.clients.producer.ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG
28 import org.onap.dcae.collectors.veshv.boundary.Sink
29 import org.onap.dcae.collectors.veshv.boundary.SinkProvider
30 import org.onap.dcae.collectors.veshv.model.ClientContext
31 import org.onap.dcae.collectors.veshv.model.KafkaConfiguration
32 import org.onap.dcae.collectors.veshv.model.VesMessage
33 import org.onap.ves.VesEventOuterClass.CommonEventHeader
34 import reactor.kafka.sender.KafkaSender
35 import reactor.kafka.sender.SenderOptions
38 * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
41 internal class KafkaSinkProvider internal constructor(
42 private val kafkaSender: KafkaSender<CommonEventHeader, VesMessage>) : SinkProvider {
44 constructor(config: KafkaConfiguration) : this(constructKafkaSender(config))
46 override fun invoke(ctx: ClientContext) = KafkaSink(kafkaSender, ctx)
49 private fun constructKafkaSender(config: KafkaConfiguration) =
50 KafkaSender.create(constructSenderOptions(config))
52 private fun constructSenderOptions(config: KafkaConfiguration) =
53 SenderOptions.create<CommonEventHeader, VesMessage>()
54 .producerProperty(BOOTSTRAP_SERVERS_CONFIG, config.bootstrapServers)
55 .producerProperty(KEY_SERIALIZER_CLASS_CONFIG, ProtobufSerializer::class.java)
56 .producerProperty(VALUE_SERIALIZER_CLASS_CONFIG, VesMessageSerializer::class.java)
57 .producerProperty(MAX_IN_FLIGHT_REQUESTS_PER_CONNECTION, 1)
58 .producerProperty(RETRIES_CONFIG, 1)
59 .producerProperty(ACKS_CONFIG, "1")