2 * ============LICENSE_START=======================================================
3 * dcaegen2-collectors-veshv
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA Intellectual Property. 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.dcae.collectors.veshv.domain
22 import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader
23 import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader.Domain
25 data class Routing(val routes: List<Route>) {
27 fun routeFor(commonHeader: CommonEventHeader): Route? = routes.find { it.applies(commonHeader) }
30 data class Route(val domain: Domain, val targetTopic: String, val partitioning: (CommonEventHeader) -> Int) {
32 fun applies(commonHeader: CommonEventHeader) = commonHeader.domain == domain
34 operator fun invoke(message: VesMessage): RoutedMessage =
35 RoutedMessage(targetTopic, partitioning(message.header), message)
43 fun routing(init: RoutingBuilder.() -> Unit): RoutingBuilder {
44 val conf = RoutingBuilder()
49 class RoutingBuilder {
50 private val routes: MutableList<RouteBuilder> = mutableListOf()
52 fun defineRoute(init: RouteBuilder.() -> Unit): RouteBuilder {
53 val rule = RouteBuilder()
59 fun build() = Routing(routes.map { it.build() }.toList())
64 private lateinit var domain: Domain
65 private lateinit var targetTopic: String
66 private lateinit var partitioning: (CommonEventHeader) -> Int
68 fun fromDomain(domain: Domain) {
72 fun toTopic(targetTopic: String) {
73 this.targetTopic = targetTopic
76 fun withFixedPartitioning(num: Int = 1) {
77 partitioning = { _ -> num }
80 fun build() = Route(domain, targetTopic, partitioning)