gerrit.onap Code Review - ccsdk/cds.git/blob

   1 /*
   2  *  Copyright © 2018 IBM.
   3  *  Modifications Copyright © 2017-2018 AT&T Intellectual Property.
   4  *
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  */
  17
  18 package org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.processor
  19
  20 import com.fasterxml.jackson.databind.node.JsonNodeFactory
  21 import com.fasterxml.jackson.databind.node.MissingNode
  22 import com.fasterxml.jackson.databind.node.NullNode
  23 import org.onap.ccsdk.apps.blueprintsprocessor.db.primary.PrimaryDBLibGenericService
  24 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.DatabaseResourceSource
  25 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
  26 import org.onap.ccsdk.apps.controllerblueprints.core.*
  27 import org.onap.ccsdk.apps.controllerblueprints.core.utils.JacksonUtils
  28 import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceAssignment
  29 import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceDictionaryConstants
  30 import org.slf4j.LoggerFactory
  31 import org.springframework.stereotype.Service
  32 import java.util.*
  33
  34 /**
  35  * PrimaryDataResourceAssignmentProcessor
  36  *
  37  * @author Kapil Singal
  38  */
  39 @Service("resource-assignment-processor-primary-db")
  40 open class PrimaryDataResourceAssignmentProcessor(private val primaryDBLibGenericService: PrimaryDBLibGenericService)
  41     : ResourceAssignmentProcessor() {
  42
  43     private val logger = LoggerFactory.getLogger(PrimaryDataResourceAssignmentProcessor::class.java)
  44
  45     override fun getName(): String {
  46         return "resource-assignment-processor-primary-db"
  47     }
  48
  49     override fun process(resourceAssignment: ResourceAssignment) {
  50         try {
  51             validate(resourceAssignment)
  52
  53             // Check if It has Input
  54             val value = raRuntimeService.getInputValue(resourceAssignment.name)
  55             if (value !is NullNode && value !is MissingNode) {
  56                 logger.info("primary-db source template key (${resourceAssignment.name}) found from input and value is ($value)")
  57                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, value)
  58             } else {
  59                 val dName = resourceAssignment.dictionaryName
  60                 val dSource = resourceAssignment.dictionarySource
  61                 val resourceDefinition = resourceDictionaries[dName]
  62                         ?: throw BluePrintProcessorException("couldn't get resource dictionary definition for $dName")
  63                 val resourceSource = resourceDefinition.sources[dSource]
  64                         ?: throw BluePrintProcessorException("couldn't get resource definition $dName source($dSource)")
  65                 val resourceSourceProperties = checkNotNull(resourceSource.properties) { "failed to get source properties for $dName " }
  66                 val sourceProperties = JacksonUtils.getInstanceFromMap(resourceSourceProperties, DatabaseResourceSource::class.java)
  67
  68                 val sql = checkNotNull(sourceProperties.query) { "failed to get request query for $dName under $dSource properties" }
  69                 val inputKeyMapping = checkNotNull(sourceProperties.inputKeyMapping) { "failed to get input-key-mappings for $dName under $dSource properties" }
  70
  71                 logger.info("$dSource dictionary information : ($sql), ($inputKeyMapping), (${sourceProperties.outputKeyMapping})")
  72
  73                 val rows = primaryDBLibGenericService.query(sql, populateNamedParameter(inputKeyMapping))
  74                 if (rows.isNullOrEmpty()) {
  75                     logger.warn("Failed to get $dSource result for dictionary name ($dName) the query ($sql)")
  76                 } else {
  77                     populateResource(resourceAssignment, sourceProperties, rows)
  78                 }
  79             }
  80
  81             // Check the value has populated for mandatory case
  82             ResourceAssignmentUtils.assertTemplateKeyValueNotNull(resourceAssignment)
  83         } catch (e: Exception) {
  84             ResourceAssignmentUtils.setFailedResourceDataValue(resourceAssignment, e.message)
  85             throw BluePrintProcessorException("Failed in template key ($resourceAssignment) assignments with: ${e.message}", e)
  86         }
  87     }
  88
  89     @Throws(BluePrintProcessorException::class)
  90     private fun validate(resourceAssignment: ResourceAssignment) {
  91         checkNotEmptyOrThrow(resourceAssignment.name, "resource assignment template key is not defined")
  92         checkNotEmptyOrThrow(resourceAssignment.dictionaryName, "resource assignment dictionary name is not defined for template key (${resourceAssignment.name})")
  93         checkEqualsOrThrow(ResourceDictionaryConstants.SOURCE_PRIMARY_DB, resourceAssignment.dictionarySource) {
  94             "resource assignment source is not ${ResourceDictionaryConstants.SOURCE_PRIMARY_DB} but it is ${resourceAssignment.dictionarySource}"
  95         }
  96     }
  97
  98     private fun populateNamedParameter(inputKeyMapping: Map<String, String>): Map<String, Any> {
  99         val namedParameters = HashMap<String, Any>()
 100         inputKeyMapping.forEach {
 101             val expressionValue = raRuntimeService.getDictionaryStore(it.value)
 102             logger.trace("Reference dictionary key (${it.key}) resulted in value ($expressionValue)")
 103             namedParameters[it.key] = expressionValue
 104         }
 105         logger.info("Parameter information : ({})", namedParameters)
 106         return namedParameters
 107     }
 108
 109     @Throws(BluePrintProcessorException::class)
 110     private fun populateResource(resourceAssignment: ResourceAssignment, sourceProperties: DatabaseResourceSource, rows: List<Map<String, Any>>) {
 111         val dName = resourceAssignment.dictionaryName
 112         val dSource = resourceAssignment.dictionarySource
 113         val type = nullToEmpty(resourceAssignment.property?.type)
 114
 115         val outputKeyMapping = checkNotNull(sourceProperties.outputKeyMapping) { "failed to get output-key-mappings for $dName under $dSource properties" }
 116         logger.info("Response processing type($type)")
 117
 118         // Primitive Types
 119         when(type) {
 120             in BluePrintTypes.validPrimitiveTypes() -> {
 121                 val dbColumnValue = rows[0][outputKeyMapping[dName]]
 122                 logger.info("For template key (${resourceAssignment.name}) setting value as ($dbColumnValue)")
 123                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, dbColumnValue)
 124             }
 125             in BluePrintTypes.validCollectionTypes() -> {
 126                 val entrySchemaType = returnNotEmptyOrThrow(resourceAssignment.property?.entrySchema?.type) { "Entry schema is not defined for dictionary ($dName) info" }
 127                 var arrayNode = JsonNodeFactory.instance.arrayNode()
 128                 rows.forEach {
 129                     if (entrySchemaType in BluePrintTypes.validPrimitiveTypes()) {
 130                         val dbColumnValue = it[outputKeyMapping[dName]]
 131                         // Add Array JSON
 132                         JacksonUtils.populatePrimitiveValues(dbColumnValue!!, entrySchemaType, arrayNode)
 133                     } else {
 134                         val arrayChildNode = JsonNodeFactory.instance.objectNode()
 135                         for (mapping in outputKeyMapping.entries) {
 136                             val dbColumnValue = checkNotNull(it[mapping.key])
 137                             val propertyTypeForDataType = ResourceAssignmentUtils.getPropertyType(raRuntimeService, entrySchemaType, mapping.key)
 138                             JacksonUtils.populatePrimitiveValues(mapping.key, dbColumnValue, propertyTypeForDataType, arrayChildNode)
 139                         }
 140                         arrayNode.add(arrayChildNode)
 141                     }
 142                 }
 143                 logger.info("For template key (${resourceAssignment.name}) setting value as ($arrayNode)")
 144                 // Set the List of Complex Values
 145                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, arrayNode)
 146             }
 147             else -> {
 148                 // Complex Types
 149                 val row = rows[0]
 150                 var objectNode = JsonNodeFactory.instance.objectNode()
 151                 for (mapping in outputKeyMapping.entries) {
 152                     val dbColumnValue = checkNotNull(row[mapping.key])
 153                     val propertyTypeForDataType = ResourceAssignmentUtils.getPropertyType(raRuntimeService, type, mapping.key)
 154                     JacksonUtils.populatePrimitiveValues(mapping.key, dbColumnValue, propertyTypeForDataType, objectNode)
 155                 }
 156                 logger.info("For template key (${resourceAssignment.name}) setting value as ($objectNode)")
 157                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, objectNode)
 158             }
 159         }
 160     }
 161
 162     override fun recover(runtimeException: RuntimeException, resourceAssignment: ResourceAssignment) {
 163     }
 164 }