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/*
* Copyright (C) 2019 Bell Canada.
*
* 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.config.snapshots.db
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import org.apache.logging.log4j.util.Strings
import org.onap.ccsdk.cds.blueprintsprocessor.functions.config.snapshots.db.ResourceConfigSnapshot.Status.RUNNING
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintException
import org.slf4j.LoggerFactory
import org.springframework.dao.DataIntegrityViolationException
import org.springframework.stereotype.Service
import java.util.UUID
/**
* ResourceConfigSnapshot managing service.
*
* @author Serge Simard
* @version 1.0
*/
@Service
open class ResourceConfigSnapshotService(private val resourceConfigSnapshotRepository: ResourceConfigSnapshotRepository) {
private val log = LoggerFactory.getLogger(ResourceConfigSnapshotService::class.toString())
suspend fun findAllByResourceIdForStatus(
resourceId: String,
status: ResourceConfigSnapshot.Status
): List<ResourceConfigSnapshot>? =
withContext(Dispatchers.IO) {
resourceConfigSnapshotRepository.findByResourceIdAndStatusOrderByCreatedDateDesc(resourceId, status)
}
suspend fun findAllByResourceId(
resourceId: String
): List<ResourceConfigSnapshot>? =
withContext(Dispatchers.IO) {
resourceConfigSnapshotRepository.findByResourceIdOrderByCreatedDateDesc(resourceId)
}
suspend fun findAllByResourceTypeForStatus(
resourceType: String,
status: ResourceConfigSnapshot.Status
): List<ResourceConfigSnapshot>? =
withContext(Dispatchers.IO) {
resourceConfigSnapshotRepository.findByResourceTypeAndStatusOrderByCreatedDateDesc(resourceType, status)
}
suspend fun findAllByResourceType(
resourceType: String
): List<ResourceConfigSnapshot>? =
withContext(Dispatchers.IO) {
resourceConfigSnapshotRepository.findByResourceTypeOrderByCreatedDateDesc(resourceType)
}
suspend fun findByResourceIdAndResourceTypeAndStatus(
resourceId: String,
resourceType: String,
status: ResourceConfigSnapshot.Status = RUNNING
): String =
withContext(Dispatchers.IO) {
resourceConfigSnapshotRepository.findByResourceIdAndResourceTypeAndStatus(resourceId, resourceType, status)
?.config_snapshot ?: Strings.EMPTY
}
suspend fun write(
snapshot: String,
resId: String,
resType: String,
status: ResourceConfigSnapshot.Status = RUNNING
): ResourceConfigSnapshot =
withContext(Dispatchers.IO) {
val resourceConfigSnapshotEntry = ResourceConfigSnapshot()
resourceConfigSnapshotEntry.id = UUID.randomUUID().toString()
resourceConfigSnapshotEntry.resourceId = resId
resourceConfigSnapshotEntry.resourceType = resType
resourceConfigSnapshotEntry.status = status
resourceConfigSnapshotEntry.config_snapshot = snapshot
// Overwrite configuration snapshot entry of resId/resType
if (resId.isNotEmpty() && resType.isNotEmpty()) {
resourceConfigSnapshotRepository.findByResourceIdAndResourceTypeAndStatus(resId, resType, status)
?.let {
log.info(
"Overwriting configuration snapshot entry for resourceId=($resId), " +
"resourceType=($resType), status=($status)"
)
resourceConfigSnapshotRepository.deleteByResourceIdAndResourceTypeAndStatus(resId, resType, status)
}
}
var storedSnapshot: ResourceConfigSnapshot
try {
storedSnapshot = resourceConfigSnapshotRepository.saveAndFlush(resourceConfigSnapshotEntry)
log.info(
"Stored configuration snapshot for resourceId=($resId), " +
"resourceType=($resType), status=($status), " +
"dated=(${storedSnapshot.createdDate})"
)
} catch (ex: DataIntegrityViolationException) {
throw BluePrintException("Failed to store configuration snapshot entry.", ex)
}
storedSnapshot
}
}
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