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/*
* Copyright © 2018-2019 AT&T Intellectual Property.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.kafka
import org.apache.kafka.streams.processor.ProcessorContext
import org.apache.kafka.streams.processor.To
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.MessagePrioritizationConstants
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.MessagePrioritizationService
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.MessagePrioritizationStateService
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.MessageState
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.db.MessagePrioritization
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
import org.onap.ccsdk.cds.controllerblueprints.core.logger
import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
open class DefaultMessagePrioritizeProcessor(
private val messagePrioritizationStateService: MessagePrioritizationStateService,
private val kafkaMessagePrioritizationService: MessagePrioritizationService
) : AbstractMessagePrioritizeProcessor<ByteArray, ByteArray>() {
private val log = logger(DefaultMessagePrioritizeProcessor::class)
override suspend fun processNB(key: ByteArray, value: ByteArray) {
val messagePrioritize = JacksonUtils.readValue(String(value), MessagePrioritization::class.java)
?: throw BluePrintProcessorException("failed to convert")
try {
kafkaMessagePrioritizationService.prioritize(messagePrioritize)
} catch (e: Exception) {
messagePrioritize.error = "failed in Prioritize message(${messagePrioritize.id}) : ${e.message}"
log.error(messagePrioritize.error)
/** Update the data store */
messagePrioritizationStateService.setMessageStateANdError(
messagePrioritize.id, MessageState.ERROR.name,
messagePrioritize.error!!
)
/** Publish to Output topic */
this.processorContext.forward(
messagePrioritize.id, messagePrioritize,
To.child(MessagePrioritizationConstants.SINK_OUTPUT)
)
}
}
override fun init(context: ProcessorContext) {
super.init(context)
/** Set Configuration and Processor Context to messagePrioritizationService */
if (kafkaMessagePrioritizationService is AbstractKafkaMessagePrioritizationService) {
kafkaMessagePrioritizationService.setKafkaProcessorContext(processorContext)
} else {
throw BluePrintProcessorException(
"messagePrioritizationService is not instance of " +
"AbstractKafkaMessagePrioritizationService, it is ${kafkaMessagePrioritizationService.javaClass}"
)
}
}
override fun close() {
log.info(
"closing prioritization processor applicationId(${processorContext.applicationId()}), " +
"taskId(${processorContext.taskId()})"
)
}
}
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