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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.utils
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.CorrelationCheckResponse
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.db.MessagePrioritization
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.toFormatedCorrelation
import org.onap.ccsdk.cds.blueprintsprocessor.functions.message.prioritization.toTypeNCorrelation
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
object MessageCorrelationUtils {
/** Assumption is message is of same group **/
fun correlatedMessages(collectedMessages: List<MessagePrioritization>): CorrelationCheckResponse {
val correlationCheckResponse = CorrelationCheckResponse(message = "not correlated")
if (collectedMessages.size > 1) {
val filteredMessage = collectedMessages.filter { !it.correlationId.isNullOrBlank() }
if (filteredMessage.isNotEmpty()) {
val groupedMessage = filteredMessage.groupBy { it.toFormatedCorrelation() }
if (groupedMessage.size == 1) {
correlationCheckResponse.correlated = true
correlationCheckResponse.message = null
}
}
} else {
correlationCheckResponse.message = "received only one message for that group"
}
return correlationCheckResponse
}
/** Assumption is message is of same group and checking for required types **/
fun correlatedMessagesWithTypes(collectedMessages: List<MessagePrioritization>, types: List<String>?):
CorrelationCheckResponse {
return if (!types.isNullOrEmpty() && collectedMessages.size > 1) {
val unknownMessageTypes = collectedMessages.filter { !types.contains(it.type) }.map { it.id }
if (!unknownMessageTypes.isNullOrEmpty()) {
throw BluePrintProcessorException("Messages($unknownMessageTypes) is not in type of($types)")
}
val copyTypes = types.toTypedArray().copyOf().toMutableList()
val filteredMessage = collectedMessages.filter {
!it.correlationId.isNullOrBlank() &&
types.contains(it.type)
}
var correlatedKeys: MutableSet<String> = mutableSetOf()
if (filteredMessage.isNotEmpty()) {
val correlatedMap = filteredMessage.groupBy { it.toTypeNCorrelation() }
val foundType = correlatedMap.keys.map { it.type }
copyTypes.removeAll(foundType)
correlatedKeys = correlatedMap.keys.map {
it.correlationId
}.toMutableSet()
}
/** Check if any Types missing and same correlation id for all types */
return if (copyTypes.isEmpty()) {
if (correlatedKeys.size == 1) CorrelationCheckResponse(correlated = true)
else CorrelationCheckResponse(message = "not matching correlation keys($correlatedKeys)")
} else {
CorrelationCheckResponse(message = "couldn't find types($copyTypes)")
}
} else {
return correlatedMessages(collectedMessages)
}
}
}
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