ms/blueprintsprocessor/modules/services/execution-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/execution/ComponentFunctionScriptingService.kt

   1 /*
   2  *  Copyright © 2018 IBM.
   3  *
   4  *  Licensed under the Apache License, Version 2.0 (the "License");
   5  *  you may not use this file except in compliance with the License.
   6  *  You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *  Unless required by applicable law or agreed to in writing, software
  11  *  distributed under the License is distributed on an "AS IS" BASIS,
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *  See the License for the specific language governing permissions and
  14  *  limitations under the License.
  15  */
  16
  17 package org.onap.ccsdk.cds.blueprintsprocessor.services.execution
  18
  19 import org.onap.ccsdk.cds.blueprintsprocessor.services.execution.scripts.BlueprintJythonService
  20 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
  21 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  22 import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BluePrintScriptsService
  23 import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BlueprintFunctionNode
  24 import org.onap.ccsdk.cds.controllerblueprints.core.scripts.BluePrintScriptsServiceImpl
  25 import org.onap.ccsdk.cds.controllerblueprints.core.service.BluePrintContext
  26 import org.slf4j.LoggerFactory
  27 import org.springframework.context.ApplicationContext
  28 import org.springframework.stereotype.Service
  29
  30 @Service
  31 class ComponentFunctionScriptingService(private val applicationContext: ApplicationContext,
  32                                         private val blueprintJythonService: BlueprintJythonService) {
  33
  34     private val log = LoggerFactory.getLogger(ComponentFunctionScriptingService::class.java)
  35
  36     suspend fun <T : AbstractScriptComponentFunction> scriptInstance(componentFunction: AbstractComponentFunction,
  37                                                                      scriptType: String,
  38                                                                      scriptClassReference: String,
  39                                                                      instanceDependencies: List<String>): T {
  40
  41         log.info("creating component function of script type($scriptType), reference name($scriptClassReference) and " +
  42                 "instanceDependencies($instanceDependencies)")
  43
  44         val scriptComponent: T = scriptInstance(componentFunction.bluePrintRuntimeService.bluePrintContext(),
  45                 scriptType, scriptClassReference)
  46
  47         checkNotNull(scriptComponent) { "failed to initialize script component" }
  48
  49         scriptComponent.bluePrintRuntimeService = componentFunction.bluePrintRuntimeService
  50         scriptComponent.processId = componentFunction.processId
  51         scriptComponent.workflowName = componentFunction.workflowName
  52         scriptComponent.stepName = componentFunction.stepName
  53         scriptComponent.interfaceName = componentFunction.interfaceName
  54         scriptComponent.operationName = componentFunction.operationName
  55         scriptComponent.nodeTemplateName = componentFunction.nodeTemplateName
  56         scriptComponent.operationInputs = componentFunction.operationInputs
  57         scriptComponent.executionServiceInput = componentFunction.executionServiceInput
  58         scriptComponent.scriptType = scriptType
  59
  60         // Populate Instance Properties
  61         instanceDependencies.forEach { instanceDependency ->
  62             scriptComponent.functionDependencyInstances[instanceDependency] = applicationContext
  63                     .getBean(instanceDependency)
  64         }
  65         return scriptComponent
  66     }
  67
  68
  69     suspend fun <T : BlueprintFunctionNode<*, *>> scriptInstance(bluePrintContext: BluePrintContext, scriptType: String,
  70                                                                  scriptClassReference: String): T {
  71         var scriptComponent: T? = null
  72
  73         when (scriptType) {
  74             BluePrintConstants.SCRIPT_INTERNAL -> {
  75                 val bluePrintScriptsService: BluePrintScriptsService = BluePrintScriptsServiceImpl()
  76                 scriptComponent = bluePrintScriptsService.scriptInstance<T>(scriptClassReference)
  77             }
  78             BluePrintConstants.SCRIPT_KOTLIN -> {
  79                 val bluePrintScriptsService: BluePrintScriptsService = BluePrintScriptsServiceImpl()
  80                 scriptComponent = bluePrintScriptsService.scriptInstance<T>(bluePrintContext.rootPath,
  81                         bluePrintContext.name(), bluePrintContext.version(), scriptClassReference, false)
  82             }
  83             BluePrintConstants.SCRIPT_JYTHON -> {
  84                 scriptComponent = blueprintJythonService.jythonComponentInstance(bluePrintContext, scriptClassReference) as T
  85             }
  86             else -> {
  87                 throw BluePrintProcessorException("script type($scriptType) is not supported")
  88             }
  89         }
  90         return scriptComponent
  91     }
  92
  93 }