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

   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.service.BluePrintContext
  25 import org.slf4j.LoggerFactory
  26 import org.springframework.context.ApplicationContext
  27 import org.springframework.stereotype.Service
  28
  29 @Service
  30 class ComponentFunctionScriptingService(private val applicationContext: ApplicationContext,
  31                                         private val bluePrintScriptsService: BluePrintScriptsService,
  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.scriptType = scriptType
  58
  59         // Populate Instance Properties
  60         instanceDependencies.forEach { instanceDependency ->
  61             scriptComponent.functionDependencyInstances[instanceDependency] = applicationContext
  62                     .getBean(instanceDependency)
  63         }
  64         return scriptComponent
  65     }
  66
  67
  68     suspend fun <T : BlueprintFunctionNode<*, *>> scriptInstance(bluePrintContext: BluePrintContext, scriptType: String,
  69                                                          scriptClassReference: String): T {
  70         var scriptComponent: T? = null
  71
  72         when (scriptType) {
  73             BluePrintConstants.SCRIPT_INTERNAL -> {
  74                 scriptComponent = bluePrintScriptsService.scriptInstance<T>(scriptClassReference)
  75             }
  76             BluePrintConstants.SCRIPT_KOTLIN -> {
  77                 scriptComponent = bluePrintScriptsService.scriptInstance<T>(bluePrintContext, scriptClassReference, false)
  78             }
  79             BluePrintConstants.SCRIPT_JYTHON -> {
  80                 scriptComponent = blueprintJythonService.jythonComponentInstance(bluePrintContext, scriptClassReference) as T
  81             }
  82             else -> {
  83                 throw BluePrintProcessorException("script type($scriptType) is not supported")
  84             }
  85         }
  86         return scriptComponent
  87     }
  88
  89 }