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

   1 /*
   2  *  Copyright © 2018 IBM.
   3  *  Modifications Copyright © 2017-2018 AT&T Intellectual Property.
   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.apps.blueprintsprocessor.functions.resource.resolution.processor
  19
  20 import org.apache.commons.collections.MapUtils
  21 import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.ResourceAssignmentRuntimeService
  22 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
  23 import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BlueprintFunctionNode
  24 import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintTemplateService
  25 import org.onap.ccsdk.apps.controllerblueprints.core.utils.JacksonUtils
  26 import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceAssignment
  27 import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceDefinition
  28 import org.slf4j.LoggerFactory
  29 import java.util.*
  30
  31 abstract class ResourceAssignmentProcessor : BlueprintFunctionNode<ResourceAssignment, ResourceAssignment> {
  32
  33     private val log = LoggerFactory.getLogger(ResourceAssignmentProcessor::class.java)
  34
  35     lateinit var raRuntimeService: ResourceAssignmentRuntimeService
  36     lateinit var resourceDictionaries: MutableMap<String, ResourceDefinition>
  37
  38     var scriptPropertyInstances: Map<String, Any> = hashMapOf()
  39
  40     /**
  41      * This will be called from the scripts to serve instance from runtime to scripts.
  42      */
  43     open fun <T> scriptPropertyInstanceType(name: String): T {
  44         return scriptPropertyInstances as? T
  45             ?: throw BluePrintProcessorException("couldn't get script property instance ($name)")
  46     }
  47
  48     open fun resourceDefinition(name: String): ResourceDefinition {
  49         return resourceDictionaries[name]
  50             ?: throw BluePrintProcessorException("couldn't get resource definition for ($name)")
  51     }
  52
  53     open fun resolveInputKeyMappingVariables(inputKeyMapping: Map<String, String>): Map<String, Any> {
  54         val resolvedInputKeyMapping = HashMap<String, Any>()
  55         if (MapUtils.isNotEmpty(inputKeyMapping)) {
  56             for ((key, value) in inputKeyMapping) {
  57                 val resultValue = raRuntimeService.getResolutionStore(value)
  58                 val expressionValue = JacksonUtils.getValue(resultValue)
  59                 log.trace("Reference dictionary key ({}), value ({})", key, expressionValue)
  60                 resolvedInputKeyMapping[key] = expressionValue
  61             }
  62         }
  63         return resolvedInputKeyMapping
  64     }
  65
  66     open fun resolveFromInputKeyMapping(valueToResolve: String, keyMapping: Map<String, Any>): String {
  67         if (valueToResolve.isEmpty() || !valueToResolve.contains("$")) {
  68             return valueToResolve
  69         }
  70         return BluePrintTemplateService.generateContent(valueToResolve, additionalContext = keyMapping)
  71     }
  72
  73     override fun prepareRequest(resourceAssignment: ResourceAssignment): ResourceAssignment {
  74         log.info("prepareRequest for ${resourceAssignment.name}, dictionary(${resourceAssignment.dictionaryName})," +
  75                 "source(${resourceAssignment.dictionarySource})")
  76         return resourceAssignment
  77     }
  78
  79     override fun prepareResponse(): ResourceAssignment {
  80         log.info("Preparing Response...")
  81         return ResourceAssignment()
  82     }
  83
  84     override fun apply(resourceAssignment: ResourceAssignment): ResourceAssignment {
  85         try {
  86             prepareRequest(resourceAssignment)
  87             process(resourceAssignment)
  88         } catch (runtimeException: RuntimeException) {
  89             recover(runtimeException, resourceAssignment)
  90         }
  91         return prepareResponse()
  92     }
  93
  94 }