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.ves.message.generator.impl.vesevent
22 import com.google.protobuf.ByteString
23 import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageGenerator
24 import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventParameters
25 import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType
26 import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.FIXED_PAYLOAD
27 import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.TOO_BIG_PAYLOAD
28 import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.VALID
29 import org.onap.ves.VesEventOuterClass.CommonEventHeader
30 import org.onap.ves.VesEventOuterClass.VesEvent
31 import reactor.core.publisher.Flux
32 import reactor.core.publisher.Mono
35 * @author Jakub Dudycz <jakub.dudycz@nokia.com>
38 class VesEventGenerator internal constructor(
39 private val payloadGenerator: PayloadGenerator,
40 private val maxPayloadSizeBytes: Int
41 ) : MessageGenerator<VesEventParameters, VesEvent>() {
43 override fun createMessageFlux(parameters: VesEventParameters): Flux<VesEvent> =
46 .fromCallable { createMessage(commonEventHeader, messageType) }
47 .let { repeatMessage(it, amount) }
50 private fun createMessage(commonEventHeader: CommonEventHeader, messageType: VesEventType): VesEvent =
52 VALID -> vesEvent(commonEventHeader, payloadGenerator.generatePayload())
53 TOO_BIG_PAYLOAD -> vesEvent(commonEventHeader, oversizedPayload())
54 FIXED_PAYLOAD -> vesEvent(commonEventHeader, fixedPayload())
57 private fun vesEvent(commonEventHeader: CommonEventHeader, payload: ByteString): VesEvent =
59 .setCommonEventHeader(commonEventHeader)
60 .setEventFields(payload)
63 private fun oversizedPayload(): ByteString =
64 payloadGenerator.generateRawPayload(maxPayloadSizeBytes + 1)
66 private fun fixedPayload(): ByteString =
67 payloadGenerator.generateRawPayload(FIXED_PAYLOAD_SIZE)
70 const val FIXED_PAYLOAD_SIZE = 100