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.beans.factory.config.ConfigurableBeanFactory
  32 import org.springframework.context.annotation.Scope
  33 import org.springframework.stereotype.Service
  34 import java.util.*
  35
  36 /**
  37  * PrimaryDataResourceResolutionProcessor
  38  *
  39  * @author Kapil Singal
  40  */
  41 @Service("rr-processor-source-primary-db")
  42 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
  43 open class PrimaryDataResourceResolutionProcessor(private val primaryDBLibGenericService: PrimaryDBLibGenericService)
  44     : ResourceAssignmentProcessor() {
  45
  46     private val logger = LoggerFactory.getLogger(PrimaryDataResourceResolutionProcessor::class.java)
  47
  48     override fun getName(): String {
  49         return "rr-processor-source-primary-db"
  50     }
  51
  52     override fun process(resourceAssignment: ResourceAssignment) {
  53         try {
  54             validate(resourceAssignment)
  55
  56             // Check if It has Input
  57             val value = raRuntimeService.getInputValue(resourceAssignment.name)
  58             if (value !is NullNode && value !is MissingNode) {
  59                 logger.info("primary-db source template key (${resourceAssignment.name}) found from input and value is ($value)")
  60                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, value)
  61             } else {
  62                 val dName = resourceAssignment.dictionaryName
  63                 val dSource = resourceAssignment.dictionarySource
  64                 val resourceDefinition = resourceDictionaries[dName]
  65                         ?: throw BluePrintProcessorException("couldn't get resource dictionary definition for $dName")
  66                 val resourceSource = resourceDefinition.sources[dSource]
  67                         ?: throw BluePrintProcessorException("couldn't get resource definition $dName source($dSource)")
  68                 val resourceSourceProperties = checkNotNull(resourceSource.properties) { "failed to get source properties for $dName " }
  69                 val sourceProperties = JacksonUtils.getInstanceFromMap(resourceSourceProperties, DatabaseResourceSource::class.java)
  70
  71                 val sql = checkNotNull(sourceProperties.query) { "failed to get request query for $dName under $dSource properties" }
  72                 val inputKeyMapping = checkNotNull(sourceProperties.inputKeyMapping) { "failed to get input-key-mappings for $dName under $dSource properties" }
  73
  74                 logger.info("$dSource dictionary information : ($sql), ($inputKeyMapping), (${sourceProperties.outputKeyMapping})")
  75
  76                 val rows = primaryDBLibGenericService.query(sql, populateNamedParameter(inputKeyMapping))
  77                 if (rows.isNullOrEmpty()) {
  78                     logger.warn("Failed to get $dSource result for dictionary name ($dName) the query ($sql)")
  79                 } else {
  80                     populateResource(resourceAssignment, sourceProperties, rows)
  81                 }
  82             }
  83
  84             // Check the value has populated for mandatory case
  85             ResourceAssignmentUtils.assertTemplateKeyValueNotNull(resourceAssignment)
  86         } catch (e: Exception) {
  87             ResourceAssignmentUtils.setFailedResourceDataValue(resourceAssignment, e.message)
  88             throw BluePrintProcessorException("Failed in template key ($resourceAssignment) assignments with: ${e.message}", e)
  89         }
  90     }
  91
  92     @Throws(BluePrintProcessorException::class)
  93     private fun validate(resourceAssignment: ResourceAssignment) {
  94         checkNotEmptyOrThrow(resourceAssignment.name, "resource assignment template key is not defined")
  95         checkNotEmptyOrThrow(resourceAssignment.dictionaryName, "resource assignment dictionary name is not defined for template key (${resourceAssignment.name})")
  96         checkEqualsOrThrow(ResourceDictionaryConstants.SOURCE_PRIMARY_DB, resourceAssignment.dictionarySource) {
  97             "resource assignment source is not ${ResourceDictionaryConstants.SOURCE_PRIMARY_DB} but it is ${resourceAssignment.dictionarySource}"
  98         }
  99     }
 100
 101     private fun populateNamedParameter(inputKeyMapping: Map<String, String>): Map<String, Any> {
 102         val namedParameters = HashMap<String, Any>()
 103         inputKeyMapping.forEach {
 104             val expressionValue = raRuntimeService.getDictionaryStore(it.value)
 105             logger.trace("Reference dictionary key (${it.key}) resulted in value ($expressionValue)")
 106             namedParameters[it.key] = expressionValue
 107         }
 108         logger.info("Parameter information : ({})", namedParameters)
 109         return namedParameters
 110     }
 111
 112     @Throws(BluePrintProcessorException::class)
 113     private fun populateResource(resourceAssignment: ResourceAssignment, sourceProperties: DatabaseResourceSource, rows: List<Map<String, Any>>) {
 114         val dName = resourceAssignment.dictionaryName
 115         val dSource = resourceAssignment.dictionarySource
 116         val type = nullToEmpty(resourceAssignment.property?.type)
 117
 118         val outputKeyMapping = checkNotNull(sourceProperties.outputKeyMapping) { "failed to get output-key-mappings for $dName under $dSource properties" }
 119         logger.info("Response processing type($type)")
 120
 121         // Primitive Types
 122         when(type) {
 123             in BluePrintTypes.validPrimitiveTypes() -> {
 124                 val dbColumnValue = rows[0][outputKeyMapping[dName]]
 125                 logger.info("For template key (${resourceAssignment.name}) setting value as ($dbColumnValue)")
 126                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, dbColumnValue)
 127             }
 128             in BluePrintTypes.validCollectionTypes() -> {
 129                 val entrySchemaType = returnNotEmptyOrThrow(resourceAssignment.property?.entrySchema?.type) { "Entry schema is not defined for dictionary ($dName) info" }
 130                 var arrayNode = JsonNodeFactory.instance.arrayNode()
 131                 rows.forEach {
 132                     if (entrySchemaType in BluePrintTypes.validPrimitiveTypes()) {
 133                         val dbColumnValue = it[outputKeyMapping[dName]]
 134                         // Add Array JSON
 135                         JacksonUtils.populatePrimitiveValues(dbColumnValue!!, entrySchemaType, arrayNode)
 136                     } else {
 137                         val arrayChildNode = JsonNodeFactory.instance.objectNode()
 138                         for (mapping in outputKeyMapping.entries) {
 139                             val dbColumnValue = checkNotNull(it[mapping.key])
 140                             val propertyTypeForDataType = ResourceAssignmentUtils.getPropertyType(raRuntimeService, entrySchemaType, mapping.key)
 141                             JacksonUtils.populatePrimitiveValues(mapping.key, dbColumnValue, propertyTypeForDataType, arrayChildNode)
 142                         }
 143                         arrayNode.add(arrayChildNode)
 144                     }
 145                 }
 146                 logger.info("For template key (${resourceAssignment.name}) setting value as ($arrayNode)")
 147                 // Set the List of Complex Values
 148                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, arrayNode)
 149             }
 150             else -> {
 151                 // Complex Types
 152                 val row = rows[0]
 153                 var objectNode = JsonNodeFactory.instance.objectNode()
 154                 for (mapping in outputKeyMapping.entries) {
 155                     val dbColumnValue = checkNotNull(row[mapping.key])
 156                     val propertyTypeForDataType = ResourceAssignmentUtils.getPropertyType(raRuntimeService, type, mapping.key)
 157                     JacksonUtils.populatePrimitiveValues(mapping.key, dbColumnValue, propertyTypeForDataType, objectNode)
 158                 }
 159                 logger.info("For template key (${resourceAssignment.name}) setting value as ($objectNode)")
 160                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, objectNode)
 161             }
 162         }
 163     }
 164
 165     override fun recover(runtimeException: RuntimeException, resourceAssignment: ResourceAssignment) {
 166     }
 167 }