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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
* Modifications Copyright © 2019 IBM.
*
* 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.designer.api.load
import kotlinx.coroutines.async
import kotlinx.coroutines.awaitAll
import kotlinx.coroutines.coroutineScope
import org.apache.commons.io.FilenameUtils
import org.apache.commons.lang3.text.StrBuilder
import org.onap.ccsdk.cds.blueprintsprocessor.designer.api.domain.ModelType
import org.onap.ccsdk.cds.blueprintsprocessor.designer.api.handler.ModelTypeHandler
import org.onap.ccsdk.cds.controllerblueprints.core.BlueprintConstants
import org.onap.ccsdk.cds.controllerblueprints.core.BlueprintException
import org.onap.ccsdk.cds.controllerblueprints.core.data.ArtifactType
import org.onap.ccsdk.cds.controllerblueprints.core.data.DataType
import org.onap.ccsdk.cds.controllerblueprints.core.data.EntityType
import org.onap.ccsdk.cds.controllerblueprints.core.data.NodeType
import org.onap.ccsdk.cds.controllerblueprints.core.data.RelationshipType
import org.onap.ccsdk.cds.controllerblueprints.core.normalizedFile
import org.onap.ccsdk.cds.controllerblueprints.core.readNBText
import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
import org.slf4j.LoggerFactory
import org.springframework.stereotype.Service
import java.io.File
@Service
open class ModelTypeLoadService(private val modelTypeHandler: ModelTypeHandler) {
private val log = LoggerFactory.getLogger(ModelTypeLoadService::class.java)
private val updateBySystem = "System"
open suspend fun loadPathsModelType(modelTypePaths: List<String>) {
modelTypePaths.forEach {
loadPathModelType(it)
}
}
/**
* Load the Model Type file content from the defined path, Load of sequencing should be maintained.
*/
open suspend fun loadPathModelType(modelTypePath: String) {
log.info(" ****** loadModelType($modelTypePath) ********")
try {
val errorBuilder = StrBuilder()
coroutineScope {
val dataTypeFiles = normalizedFile("$modelTypePath", "data_type").listFiles()
val deferred = dataTypeFiles.map {
async {
loadModelType(it, DataType::class.java, errorBuilder)
}
}
deferred.awaitAll()
}
coroutineScope {
val artifactTypeFiles = normalizedFile("$modelTypePath", "artifact_type").listFiles()
val deferred = artifactTypeFiles.map {
async {
loadModelType(it, ArtifactType::class.java, errorBuilder)
}
}
deferred.awaitAll()
}
coroutineScope {
val relationshipTypeFiles = normalizedFile("$modelTypePath", "relationship_type").listFiles()
val deferred = relationshipTypeFiles.map {
async {
loadModelType(it, RelationshipType::class.java, errorBuilder)
}
}
deferred.awaitAll()
}
coroutineScope {
val nodeTypeFiles = normalizedFile("$modelTypePath", "node_type").listFiles()
val deferred = nodeTypeFiles.map {
async {
loadModelType(it, NodeType::class.java, errorBuilder)
}
}
deferred.awaitAll()
}
if (!errorBuilder.isEmpty) {
log.error(errorBuilder.toString())
}
} catch (e: Exception) {
log.error("Failed to loade ModelTypes under($modelTypePath)", e)
}
}
private suspend inline fun <reified T> loadModelType(file: File, classType: Class<T>, errorBuilder: StrBuilder) {
try {
log.trace("Loading ${classType.name} (${file.name})")
val dataKey = FilenameUtils.getBaseName(file.name)
val definitionContent = file.readNBText()
val definition = JacksonUtils.readValue(definitionContent, classType) as EntityType
// checkNotNull(definition) { "failed to get data type from file : ${file.name}" }
val modelType = ModelType()
val definitionType: String?
when (T::class) {
DataType::class -> {
definitionType = BlueprintConstants.MODEL_DEFINITION_TYPE_DATA_TYPE
}
RelationshipType::class -> {
definitionType = BlueprintConstants.MODEL_DEFINITION_TYPE_RELATIONSHIP_TYPE
}
ArtifactType::class -> {
definitionType = BlueprintConstants.MODEL_DEFINITION_TYPE_ARTIFACT_TYPE
}
NodeType::class -> {
definitionType = BlueprintConstants.MODEL_DEFINITION_TYPE_NODE_TYPE
}
else -> {
throw BlueprintException("couldn't process model type($classType) definition")
}
}
modelType.definitionType = definitionType
modelType.derivedFrom = definition.derivedFrom
modelType.description = definition.description!!
modelType.definition = JacksonUtils.jsonNode(definitionContent)
modelType.modelName = dataKey
modelType.version = definition.version
modelType.updatedBy = updateBySystem
modelType.tags = (dataKey + "," + definition.derivedFrom + "," + definitionType)
modelTypeHandler.saveModel(modelType)
log.trace("${classType.name}(${file.name}) loaded successfully ")
} catch (e: Exception) {
errorBuilder.appendln("Couldn't load ${classType.name}(${file.name}: ${e.message}")
}
}
}
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