Ressource resolution using configurable database

Change-Id: I8589e4db45ba3d5bcb906f25bcc76b5136159608
Issue-ID: CCSDK-1092
Signed-off-by: vinal patel <vinal.narendrabhai.patel@ibm.com>

3 files changed, 40 insertions, 53 deletions

diff --git a/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/PrimaryDataResourceResolutionProcessor.kt b/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/DatabaseResourceAssignmentProcessor.kt
index 3922c376..8f0f626c 100644
--- a/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/PrimaryDataResourceResolutionProcessor.kt
+++ b/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/DatabaseResourceAssignmentProcessor.kt
@@ -18,35 +18,31 @@
 package org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.processor
 
 import com.fasterxml.jackson.databind.node.JsonNodeFactory
-import org.onap.ccsdk.apps.blueprintsprocessor.db.primary.PrimaryDBLibGenericService
+import org.onap.ccsdk.apps.blueprintsprocessor.db.primary.DBLibGenericService
 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.DatabaseResourceSource
 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
-import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
-import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintTypes
-import org.onap.ccsdk.apps.controllerblueprints.core.checkEqualsOrThrow
-import org.onap.ccsdk.apps.controllerblueprints.core.checkNotEmptyOrThrow
-import org.onap.ccsdk.apps.controllerblueprints.core.nullToEmpty
-import org.onap.ccsdk.apps.controllerblueprints.core.returnNotEmptyOrThrow
+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.jdbc.core.namedparam.NamedParameterJdbcTemplate
 import org.springframework.stereotype.Service
 import java.util.*
 
 /**
- * PrimaryDataResourceResolutionProcessor
+ * DatabaseResourceAssignmentProcessor
  *
  * @author Kapil Singal
  */
 @Service("rr-processor-source-primary-db")
 @Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
-open class PrimaryDataResourceResolutionProcessor(private val primaryDBLibGenericService: PrimaryDBLibGenericService)
+open class DatabaseResourceAssignmentProcessor(private val dBLibGenericService: DBLibGenericService)
     : ResourceAssignmentProcessor() {
 
-    private val logger = LoggerFactory.getLogger(PrimaryDataResourceResolutionProcessor::class.java)
+    private val logger = LoggerFactory.getLogger(DatabaseResourceAssignmentProcessor::class.java)
 
     override fun getName(): String {
         return "rr-processor-source-primary-db"
@@ -62,26 +58,22 @@ open class PrimaryDataResourceResolutionProcessor(private val primaryDBLibGeneri
                 logger.info("primary-db source template key (${resourceAssignment.name}) found from input and value is ($value)")
                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, value)
             } catch (e: BluePrintProcessorException) {
-                // Else, get from DB
                 val dName = resourceAssignment.dictionaryName
                 val dSource = resourceAssignment.dictionarySource
                 val resourceDefinition = resourceDictionaries[dName]
-                    ?: throw BluePrintProcessorException("couldn't get resource dictionary definition for $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)
+                        ?: 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" }
+                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 = primaryDBLibGenericService.query(sql, populateNamedParameter(inputKeyMapping))
+                val rows = jdbcTemplate.queryForList(sql, populateNamedParameter(inputKeyMapping))
                 if (rows.isNullOrEmpty()) {
                     logger.warn("Failed to get $dSource result for dictionary name ($dName) the query ($sql)")
                 } else {
@@ -93,16 +85,24 @@ open class PrimaryDataResourceResolutionProcessor(private val primaryDBLibGeneri
             ResourceAssignmentUtils.assertTemplateKeyValueNotNull(resourceAssignment)
         } catch (e: Exception) {
             ResourceAssignmentUtils.setFailedResourceDataValue(resourceAssignment, e.message)
-            throw BluePrintProcessorException("Failed in template key ($resourceAssignment) assignments with: ${e.message}",
-                e)
+            throw BluePrintProcessorException("Failed in template key ($resourceAssignment) assignments with: ${e.message}", e)
         }
     }
 
+    private fun blueprintDBLibService(sourceProperties: DatabaseResourceSource): NamedParameterJdbcTemplate {
+        return if (checkNotEmpty(sourceProperties.endpointSelector!!)) {
+            val dbPropertiesJson = raRuntimeService.resolveDSLExpression(sourceProperties.endpointSelector!!)
+            dBLibGenericService.remoteJdbcTemplate(dbPropertiesJson)
+        } else {
+            dBLibGenericService.primaryJdbcTemplate()
+        }
+
+    }
+
     @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 (${resourceAssignment.name})")
+        checkNotEmptyOrThrow(resourceAssignment.dictionaryName, "resource assignment dictionary name is not defined for template key (${resourceAssignment.name})")
         checkEqualsOrThrow(ResourceDictionaryConstants.SOURCE_PRIMARY_DB, resourceAssignment.dictionarySource) {
             "resource assignment source is not ${ResourceDictionaryConstants.SOURCE_PRIMARY_DB} but it is ${resourceAssignment.dictionarySource}"
         }
@@ -111,35 +111,32 @@ open class PrimaryDataResourceResolutionProcessor(private val primaryDBLibGeneri
     private fun populateNamedParameter(inputKeyMapping: Map<String, String>): Map<String, Any> {
         val namedParameters = HashMap<String, Any>()
         inputKeyMapping.forEach {
-            val expressionValue = raRuntimeService.getDictionaryStore(it.value)
+            val expressionValue = raRuntimeService.getDictionaryStore(it.value).textValue()
             logger.trace("Reference dictionary key (${it.key}) resulted in value ($expressionValue)")
-            namedParameters[it.key] = expressionValue.asText()
+            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>>) {
+    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" }
+        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) {
+        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 ($dName) info" }
+                val entrySchemaType = returnNotEmptyOrThrow(resourceAssignment.property?.entrySchema?.type) { "Entry schema is not defined for dictionary ($dName) info" }
                 var arrayNode = JsonNodeFactory.instance.arrayNode()
                 rows.forEach {
                     if (entrySchemaType in BluePrintTypes.validPrimitiveTypes()) {
@@ -150,12 +147,8 @@ open class PrimaryDataResourceResolutionProcessor(private val primaryDBLibGeneri
                         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)
+                            val propertyTypeForDataType = ResourceAssignmentUtils.getPropertyType(raRuntimeService, entrySchemaType, mapping.key)
+                            JacksonUtils.populatePrimitiveValues(mapping.key, dbColumnValue, propertyTypeForDataType, arrayChildNode)
                         }
                         arrayNode.add(arrayChildNode)
                     }
@@ -170,12 +163,8 @@ open class PrimaryDataResourceResolutionProcessor(private val primaryDBLibGeneri
                 var 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)
+                    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)
diff --git a/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/InputResourceResolutionProcessor.kt b/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/InputResourceResolutionProcessor.kt
index ed6b09fc..66519f93 100644
--- a/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/InputResourceResolutionProcessor.kt
+++ b/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/InputResourceResolutionProcessor.kt
@@ -17,6 +17,7 @@
 
 package org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.processor
 
+import com.fasterxml.jackson.databind.node.MissingNode
 import com.fasterxml.jackson.databind.node.NullNode
 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
@@ -47,7 +48,7 @@ open class InputResourceResolutionProcessor : ResourceAssignmentProcessor() {
             if (checkNotEmpty(resourceAssignment.name)) {
                 val value = raRuntimeService.getInputValue(resourceAssignment.name)
                 // if value is null don't call setResourceDataValue to populate the value
-                if (value != null && value !is NullNode) {
+                if (value !is MissingNode && value !is NullNode) {
                     logger.info("input source template key (${resourceAssignment.name}) found from input and value is ($value)")
                     ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, value)
                 }
diff --git a/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/RestResourceResolutionProcessor.kt b/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/RestResourceResolutionProcessor.kt
index 4daa46e5..e42d7085 100644
--- a/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/RestResourceResolutionProcessor.kt
+++ b/ms/blueprintsprocessor/functions/resource-resolution/src/main/kotlin/org/onap/ccsdk/apps/blueprintsprocessor/functions/resource/resolution/processor/RestResourceResolutionProcessor.kt
@@ -17,10 +17,7 @@
 
 package org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.processor
 
-import com.fasterxml.jackson.databind.node.ArrayNode
-import com.fasterxml.jackson.databind.node.JsonNodeFactory
-import com.fasterxml.jackson.databind.node.NullNode
-import com.fasterxml.jackson.databind.node.ObjectNode
+import com.fasterxml.jackson.databind.node.*
 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.RestResourceSource
 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
 import org.onap.ccsdk.apps.blueprintsprocessor.rest.service.BluePrintRestLibPropertyService
@@ -56,7 +53,7 @@ open class RestResourceResolutionProcessor(private val blueprintRestLibPropertyS
 
             // Check if It has Input
             val value = raRuntimeService.getInputValue(resourceAssignment.name)
-            if (value != null && value !is NullNode) {
+            if (value !is MissingNode && value !is NullNode) {
                 logger.info("primary-db source template key (${resourceAssignment.name}) found from input and value is ($value)")
                 ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, value)
             } else {