2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2018-2019 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 arrow.effects.IO
23 import org.onap.dcae.collectors.veshv.boundary.SinkProvider
24 import org.onap.dcae.collectors.veshv.domain.VesMessage
25 import org.onap.dcae.collectors.veshv.impl.createKafkaSender
26 import org.onap.dcae.collectors.veshv.model.ClientContext
27 import org.onap.dcae.collectors.veshv.model.ServiceContext
28 import org.onap.dcae.collectors.veshv.utils.logging.Logger
29 import org.onap.dcaegen2.services.sdk.model.streams.SinkStream
30 import org.onap.ves.VesEventOuterClass.CommonEventHeader
31 import reactor.kafka.sender.KafkaSender
32 import java.util.Collections.synchronizedMap
35 * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
38 internal class KafkaSinkProvider : SinkProvider {
39 private val messageSinks = synchronizedMap(
40 mutableMapOf<SinkStream, KafkaSender<CommonEventHeader, VesMessage>>()
43 override fun invoke(stream: SinkStream, ctx: ClientContext) = lazy {
44 messageSinks.computeIfAbsent(stream, ::createKafkaSender).let {
45 KafkaPublisher(it, ctx)
49 override fun close() = IO {
50 messageSinks.values.forEach { it.close() }
51 logger.info(ServiceContext::mdc) { "Message sinks flushed and closed" }
55 private val logger = Logger(KafkaSinkProvider::class)