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.apps.blueprintsprocessor.services.execution
  18
  19 import org.onap.ccsdk.apps.blueprintsprocessor.services.execution.scripts.BlueprintJythonService
  20 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
  21 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
  22 import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BluePrintScriptsService
  23 import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintContext
  24 import org.slf4j.LoggerFactory
  25 import org.springframework.context.ApplicationContext
  26 import org.springframework.stereotype.Service
  27
  28 @Service
  29 class ComponentFunctionScriptingService(private val applicationContext: ApplicationContext,
  30                                         private val bluePrintScriptsService: BluePrintScriptsService,
  31                                         private val blueprintJythonService: BlueprintJythonService) {
  32
  33     private val log = LoggerFactory.getLogger(ComponentFunctionScriptingService::class.java)
  34
  35     fun <T : AbstractComponentFunction> scriptInstance(componentFunction: AbstractComponentFunction, scriptType: String,
  36                                                        scriptClassReference: String,
  37                                                        instanceDependencies: MutableList<String>): T {
  38         log.info("creating component function of script type($scriptType), reference name($scriptClassReference) and " +
  39                 "instanceDependencies($instanceDependencies)")
  40
  41         val scriptComponent: T = scriptInstance(componentFunction.bluePrintRuntimeService.bluePrintContext(),
  42                 scriptType, scriptClassReference)
  43         populateScriptDependencies(scriptComponent, instanceDependencies)
  44         return scriptComponent
  45     }
  46
  47
  48     fun <T : AbstractComponentFunction> scriptInstance(bluePrintContext: BluePrintContext, scriptType: String,
  49                                                        scriptClassReference: String): T {
  50         var scriptComponent: T? = null
  51
  52         when (scriptType) {
  53             BluePrintConstants.SCRIPT_INTERNAL -> {
  54                 scriptComponent = bluePrintScriptsService.scriptInstance<T>(scriptClassReference)
  55             }
  56             BluePrintConstants.SCRIPT_KOTLIN -> {
  57                 scriptComponent = bluePrintScriptsService.scriptInstance<T>(bluePrintContext, scriptClassReference, false)
  58             }
  59             BluePrintConstants.SCRIPT_JYTHON -> {
  60                 scriptComponent = blueprintJythonService.jythonComponentInstance(bluePrintContext, scriptClassReference) as T
  61             }
  62             else -> {
  63                 throw BluePrintProcessorException("script type($scriptType) is not supported")
  64             }
  65         }
  66         return scriptComponent
  67     }
  68
  69
  70     private fun populateScriptDependencies(componentFunction: AbstractComponentFunction,
  71                                    instanceDependencies: MutableList<String>) {
  72         instanceDependencies.forEach { instanceDependency ->
  73             componentFunction.functionDependencyInstances[instanceDependency] = applicationContext
  74                     .getBean(instanceDependency)
  75         }
  76     }
  77 }