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/*
* Copyright © 2018 IBM.
* Modifications Copyright © 2017-2018 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.apps.blueprintsprocessor.functions.resource.resolution.processor
import com.fasterxml.jackson.databind.node.JsonNodeFactory
import com.fasterxml.jackson.databind.node.MissingNode
import com.fasterxml.jackson.databind.node.NullNode
import org.onap.ccsdk.apps.blueprintsprocessor.db.BluePrintDBLibGenericService
import org.onap.ccsdk.apps.blueprintsprocessor.db.primary.BluePrintDBLibPropertySevice
import org.onap.ccsdk.apps.blueprintsprocessor.db.primary.PrimaryDBLibGenericService
import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.DatabaseResourceSource
import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.ResourceResolutionConstants.PREFIX_RESOURCE_RESOLUTION_PROCESSOR
import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
import org.onap.ccsdk.apps.controllerblueprints.core.*
import org.onap.ccsdk.apps.controllerblueprints.core.utils.JacksonUtils
import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceAssignment
import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceDictionaryConstants
import org.slf4j.LoggerFactory
import org.springframework.beans.factory.config.ConfigurableBeanFactory
import org.springframework.context.annotation.Scope
import org.springframework.stereotype.Service
import java.util.*
/**
* DatabaseResourceAssignmentProcessor
*
* @author Kapil Singal
*/
@Service("${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-processor-db")
@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
open class DatabaseResourceAssignmentProcessor(private val bluePrintDBLibPropertySevice: BluePrintDBLibPropertySevice, private val primaryDBLibGenericService: PrimaryDBLibGenericService)
: ResourceAssignmentProcessor() {
private val logger = LoggerFactory.getLogger(DatabaseResourceAssignmentProcessor::class.java)
override fun getName(): String {
return "${PREFIX_RESOURCE_RESOLUTION_PROCESSOR}source-processor-db"
}
override fun process(resourceAssignment: ResourceAssignment) {
try {
validate(resourceAssignment)
// Check if It has Input
try {
val value = raRuntimeService.getInputValue(resourceAssignment.name)
if (value !is NullNode && value !is MissingNode) {
logger.info("processor-db source template key (${resourceAssignment.name}) found from input and value is ($value)")
ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, value)
} else {
setValueFromDB(resourceAssignment)
}
} catch (e: BluePrintProcessorException) {
setValueFromDB(resourceAssignment)
}
// Check the value has populated for mandatory case
ResourceAssignmentUtils.assertTemplateKeyValueNotNull(resourceAssignment)
} catch (e: Exception) {
ResourceAssignmentUtils.setFailedResourceDataValue(resourceAssignment, e.message)
throw BluePrintProcessorException("Failed in template key ($resourceAssignment) assignments with: ${e.message}", e)
}
}
private fun setValueFromDB(resourceAssignment: ResourceAssignment) {
val dName = resourceAssignment.dictionaryName
val dSource = resourceAssignment.dictionarySource
val resourceDefinition = resourceDictionaries[dName]
?: throw BluePrintProcessorException("couldn't get resource dictionary definition for $dName")
val resourceSource = resourceDefinition.sources[dSource]
?: throw BluePrintProcessorException("couldn't get resource definition $dName source($dSource)")
val resourceSourceProperties = checkNotNull(resourceSource.properties) { "failed to get source properties for $dName " }
val sourceProperties = JacksonUtils.getInstanceFromMap(resourceSourceProperties, DatabaseResourceSource::class.java)
val sql = checkNotNull(sourceProperties.query) { "failed to get request query for $dName under $dSource properties" }
val inputKeyMapping = checkNotNull(sourceProperties.inputKeyMapping) { "failed to get input-key-mappings for $dName under $dSource properties" }
logger.info("$dSource dictionary information : ($sql), ($inputKeyMapping), (${sourceProperties.outputKeyMapping})")
val jdbcTemplate = blueprintDBLibService(sourceProperties)
val rows = jdbcTemplate.query(sql, populateNamedParameter(inputKeyMapping))
if (rows.isNullOrEmpty()) {
logger.warn("Failed to get $dSource result for dictionary name ($dName) the query ($sql)")
} else {
populateResource(resourceAssignment, sourceProperties, rows)
}
}
private fun blueprintDBLibService(sourceProperties: DatabaseResourceSource): BluePrintDBLibGenericService {
return if (checkNotEmpty(sourceProperties.endpointSelector)) {
val dbPropertiesJson = raRuntimeService.resolveDSLExpression(sourceProperties.endpointSelector!!)
bluePrintDBLibPropertySevice.JdbcTemplate(dbPropertiesJson)
} else {
primaryDBLibGenericService
}
}
@Throws(BluePrintProcessorException::class)
private fun validate(resourceAssignment: ResourceAssignment) {
checkNotEmptyOrThrow(resourceAssignment.name, "resource assignment template key is not defined")
checkNotEmptyOrThrow(resourceAssignment.dictionaryName, "resource assignment dictionary name is not defined for template key (${resourceAssignment.name})")
checkEqualsOrThrow(ResourceDictionaryConstants.SOURCE_PROCESSOR_DB, resourceAssignment.dictionarySource) {
"resource assignment source is not ${ResourceDictionaryConstants.SOURCE_PROCESSOR_DB} but it is ${resourceAssignment.dictionarySource}"
}
}
private fun populateNamedParameter(inputKeyMapping: Map<String, String>): Map<String, Any> {
val namedParameters = HashMap<String, Any>()
inputKeyMapping.forEach {
val expressionValue = raRuntimeService.getDictionaryStore(it.value).textValue()
logger.trace("Reference dictionary key (${it.key}) resulted in value ($expressionValue)")
namedParameters[it.key] = expressionValue
}
logger.info("Parameter information : ({})", namedParameters)
return namedParameters
}
@Throws(BluePrintProcessorException::class)
private fun populateResource(resourceAssignment: ResourceAssignment, sourceProperties: DatabaseResourceSource, rows: List<Map<String, Any>>) {
val dName = resourceAssignment.dictionaryName
val dSource = resourceAssignment.dictionarySource
val type = nullToEmpty(resourceAssignment.property?.type)
val outputKeyMapping = checkNotNull(sourceProperties.outputKeyMapping) { "failed to get output-key-mappings for $dName under $dSource properties" }
logger.info("Response processing type($type)")
// Primitive Types
when (type) {
in BluePrintTypes.validPrimitiveTypes() -> {
val dbColumnValue = rows[0][outputKeyMapping[dName]]
logger.info("For template key (${resourceAssignment.name}) setting value as ($dbColumnValue)")
ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, dbColumnValue)
}
in BluePrintTypes.validCollectionTypes() -> {
val entrySchemaType = returnNotEmptyOrThrow(resourceAssignment.property?.entrySchema?.type) { "Entry schema is not defined for dictionary ($dName) info" }
val arrayNode = JsonNodeFactory.instance.arrayNode()
rows.forEach {
if (entrySchemaType in BluePrintTypes.validPrimitiveTypes()) {
val dbColumnValue = it[outputKeyMapping[dName]]
// Add Array JSON
JacksonUtils.populatePrimitiveValues(dbColumnValue!!, entrySchemaType, arrayNode)
} else {
val arrayChildNode = JsonNodeFactory.instance.objectNode()
for (mapping in outputKeyMapping.entries) {
val dbColumnValue = checkNotNull(it[mapping.key])
val propertyTypeForDataType = ResourceAssignmentUtils.getPropertyType(raRuntimeService, entrySchemaType, mapping.key)
JacksonUtils.populatePrimitiveValues(mapping.key, dbColumnValue, propertyTypeForDataType, arrayChildNode)
}
arrayNode.add(arrayChildNode)
}
}
logger.info("For template key (${resourceAssignment.name}) setting value as ($arrayNode)")
// Set the List of Complex Values
ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, arrayNode)
}
else -> {
// Complex Types
val row = rows[0]
val objectNode = JsonNodeFactory.instance.objectNode()
for (mapping in outputKeyMapping.entries) {
val dbColumnValue = checkNotNull(row[mapping.key])
val propertyTypeForDataType = ResourceAssignmentUtils.getPropertyType(raRuntimeService, type, mapping.key)
JacksonUtils.populatePrimitiveValues(mapping.key, dbColumnValue, propertyTypeForDataType, objectNode)
}
logger.info("For template key (${resourceAssignment.name}) setting value as ($objectNode)")
ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, objectNode)
}
}
}
override fun recover(runtimeException: RuntimeException, resourceAssignment: ResourceAssignment) {
raRuntimeService.getBluePrintError().addError(runtimeException.message!!)
}
}
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