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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.nats
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.blueprintsprocessor.functions.message.prioritization.ids
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.service.AbstractMessagePrioritizationService
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.utils.MessageProcessorUtils
import org.onap.ccsdk.cds.blueprintsprocessor.nats.service.BlueprintNatsService
import org.onap.ccsdk.cds.blueprintsprocessor.nats.utils.NatsClusterUtils
import org.onap.ccsdk.cds.controllerblueprints.core.asByteArray
import org.onap.ccsdk.cds.controllerblueprints.core.asJsonType
import org.onap.ccsdk.cds.controllerblueprints.core.logger
abstract class AbstractNatsMessagePrioritizationService(
private val messagePrioritizationStateService: MessagePrioritizationStateService
) : AbstractMessagePrioritizationService(messagePrioritizationStateService) {
private val log = logger(AbstractNatsMessagePrioritizationService::class)
lateinit var bluePrintNatsService: BlueprintNatsService
override suspend fun output(messages: List<MessagePrioritization>) {
log.info("$$$$$ received in output processor id(${messages.ids()})")
checkNotNull(prioritizationConfiguration.natsConfiguration) { "failed to initialize NATS configuration" }
check(::bluePrintNatsService.isInitialized) { "failed to initialize NATS services" }
val outputSubject = prioritizationConfiguration.natsConfiguration!!.outputSubject
messages.forEach { message ->
val updatedMessage =
messagePrioritizationStateService.updateMessageState(message.id, MessageState.COMPLETED.name)
/** send to the output subject */
bluePrintNatsService.publish(
NatsClusterUtils.currentApplicationSubject(outputSubject),
updatedMessage.asJsonType().asByteArray()
)
}
}
override suspend fun updateExpiredMessages() {
checkNotNull(prioritizationConfiguration.natsConfiguration) { "failed to initialize NATS configuration" }
check(::bluePrintNatsService.isInitialized) { "failed to initialize NATS services" }
val expiryConfiguration = prioritizationConfiguration.expiryConfiguration
val outputSubject = prioritizationConfiguration.natsConfiguration!!.expiredSubject
val clusterLock = MessageProcessorUtils.prioritizationExpiryLock()
try {
val fetchMessages = messagePrioritizationStateService
.getExpiryEligibleMessages(expiryConfiguration.maxPollRecord)
val expiredIds = fetchMessages?.ids()
if (!expiredIds.isNullOrEmpty()) {
messagePrioritizationStateService.updateMessagesState(expiredIds, MessageState.EXPIRED.name)
fetchMessages.forEach { expiredMessage ->
expiredMessage.state = MessageState.EXPIRED.name
/** send to the output subject */
bluePrintNatsService.publish(
NatsClusterUtils.currentApplicationSubject(outputSubject),
expiredMessage.asJsonType().asByteArray()
)
}
}
} catch (e: Exception) {
log.error("failed in updating expired messages", e)
} finally {
MessageProcessorUtils.prioritizationUnLock(clusterLock)
}
}
}
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