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

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   3  * Modifications Copyright © 2018 IBM.
   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.cds.controllerblueprints.core.scripts
  19
  20 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
  21 import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BluePrintScriptsService
  22 import org.onap.ccsdk.cds.controllerblueprints.core.logger
  23 import org.onap.ccsdk.cds.controllerblueprints.core.normalizedPathName
  24 import org.onap.ccsdk.cds.controllerblueprints.core.utils.BluePrintFileUtils
  25 import org.onap.ccsdk.cds.controllerblueprints.core.utils.BluePrintMetadataUtils
  26 import java.util.*
  27 import kotlin.script.experimental.api.ResultValue
  28 import kotlin.script.experimental.api.resultOrNull
  29 import kotlin.script.experimental.jvmhost.createJvmCompilationConfigurationFromTemplate
  30
  31
  32 open class BluePrintScriptsServiceImpl : BluePrintScriptsService {
  33
  34     val log = logger(BluePrintScriptsServiceImpl::class)
  35
  36     override suspend fun <T> scriptInstance(bluePrintSourceCode: BluePrintSourceCode, scriptClassName: String): T {
  37         val compilationConfiguration = createJvmCompilationConfigurationFromTemplate<BluePrintKotlinScript>()
  38         val scriptEvaluator = BluePrintScriptEvaluator(scriptClassName)
  39
  40         val compiledResponse = BlueprintScriptingHost(scriptEvaluator)
  41                 .eval(bluePrintSourceCode, compilationConfiguration, null)
  42
  43         val returnValue = compiledResponse.resultOrNull()?.returnValue as? ResultValue.Value
  44         return returnValue?.value!! as T
  45     }
  46
  47     override suspend fun <T> scriptInstance(blueprintBasePath: String, artifactName: String, artifactVersion: String,
  48                                             scriptClassName: String, reCompile: Boolean): T {
  49
  50         val sources: MutableList<String> = arrayListOf()
  51         sources.add(normalizedPathName(blueprintBasePath, BluePrintConstants.TOSCA_SCRIPTS_KOTLIN_DIR))
  52
  53         val scriptSource = BluePrintSourceCode()
  54         scriptSource.blueprintKotlinSources = sources
  55         scriptSource.moduleName = "$artifactName-$artifactVersion-cba-kts"
  56         scriptSource.cacheKey = BluePrintFileUtils.compileCacheKey(blueprintBasePath)
  57         scriptSource.targetJarFile = BluePrintFileUtils.compileJarFile(blueprintBasePath, artifactName, artifactVersion)
  58         scriptSource.regenerate = reCompile
  59         return scriptInstance(scriptSource, scriptClassName)
  60     }
  61
  62     override suspend fun <T> scriptInstance(blueprintBasePath: String, scriptClassName: String,
  63                                             reCompile: Boolean): T {
  64         val toscaMetaData = BluePrintMetadataUtils.toscaMetaData(blueprintBasePath)
  65         checkNotNull(toscaMetaData.templateName) { "couldn't find 'Template-Name' key in TOSCA.meta" }
  66         checkNotNull(toscaMetaData.templateVersion) { "couldn't find 'Template-Version' key in TOSCA.meta" }
  67         return scriptInstance(blueprintBasePath, toscaMetaData.templateName!!, toscaMetaData.templateVersion!!,
  68                 scriptClassName, reCompile)
  69     }
  70
  71     override suspend fun <T> scriptInstance(cacheKey: String, scriptClassName: String): T {
  72         val args = ArrayList<Any?>()
  73         return BluePrintCompileCache.classLoader(cacheKey).loadClass(scriptClassName).constructors
  74                 .single().newInstance(*args.toArray()) as T
  75     }
  76
  77     override suspend fun <T> scriptInstance(scriptClassName: String): T {
  78         val args = ArrayList<Any?>()
  79         return Thread.currentThread().contextClassLoader.loadClass(scriptClassName).constructors
  80                 .single().newInstance(*args.toArray()) as T
  81     }
  82 }