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

   1 /*\r
   2  *  Copyright © 2017-2018 AT&T Intellectual Property.\r
   3  *\r
   4  *  Licensed under the Apache License, Version 2.0 (the "License");\r
   5  *  you may not use this file except in compliance with the License.\r
   6  *  You may obtain a copy of the License at\r
   7  *\r
   8  *      http://www.apache.org/licenses/LICENSE-2.0\r
   9  *\r
  10  *  Unless required by applicable law or agreed to in writing, software\r
  11  *  distributed under the License is distributed on an "AS IS" BASIS,\r
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  *  See the License for the specific language governing permissions and\r
  14  *  limitations under the License.\r
  15  */\r
  16 \r
  17 package org.onap.ccsdk.apps.blueprintsprocessor.services.execution\r
  18 \r
  19 \r
  20 import com.fasterxml.jackson.databind.JsonNode\r
  21 import com.fasterxml.jackson.databind.node.JsonNodeFactory\r
  22 import com.fasterxml.jackson.databind.node.NullNode\r
  23 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput\r
  24 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceOutput\r
  25 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.Status\r
  26 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants\r
  27 import org.onap.ccsdk.apps.controllerblueprints.core.getAsString\r
  28 import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BlueprintFunctionNode\r
  29 import org.onap.ccsdk.apps.controllerblueprints.core.putJsonElement\r
  30 import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintRuntimeService\r
  31 import org.slf4j.LoggerFactory\r
  32 \r
  33 /**\r
  34  * AbstractComponentFunction\r
  35  * @author Brinda Santh\r
  36  */\r
  37 abstract class AbstractComponentFunction : BlueprintFunctionNode<ExecutionServiceInput, ExecutionServiceOutput> {\r
  38     @Transient\r
  39     private val log = LoggerFactory.getLogger(AbstractComponentFunction::class.java)\r
  40 \r
  41     var executionServiceInput: ExecutionServiceInput? = null\r
  42     var executionServiceOutput = ExecutionServiceOutput()\r
  43     var bluePrintRuntimeService: BluePrintRuntimeService<*>? = null\r
  44     var processId: String = ""\r
  45     var workflowName: String = ""\r
  46     var stepName: String = ""\r
  47     var interfaceName: String = ""\r
  48     var operationName: String = ""\r
  49     var nodeTemplateName: String = ""\r
  50     var operationInputs: MutableMap<String, JsonNode> = hashMapOf()\r
  51 \r
  52 \r
  53     override fun prepareRequest(executionServiceInput: ExecutionServiceInput): ExecutionServiceInput {\r
  54         checkNotNull(bluePrintRuntimeService) { "failed to prepare blueprint runtime" }\r
  55 \r
  56         this.executionServiceInput = executionServiceInput\r
  57 \r
  58         processId = executionServiceInput.commonHeader.requestId\r
  59         workflowName = executionServiceInput.actionIdentifiers.actionName\r
  60 \r
  61         val metadata = executionServiceInput.metadata\r
  62         stepName = metadata.getAsString(BluePrintConstants.PROPERTY_CURRENT_STEP)\r
  63         log.info("preparing request id($processId) for workflow($workflowName) step($stepName)")\r
  64 \r
  65         val operationInputs = metadata.get("$stepName-step-inputs") ?: JsonNodeFactory.instance.objectNode()\r
  66 \r
  67         operationInputs.fields().forEach {\r
  68             this.operationInputs[it.key] = it.value\r
  69         }\r
  70 \r
  71         nodeTemplateName = this.operationInputs.getAsString(BluePrintConstants.PROPERTY_CURRENT_NODE_TEMPLATE)\r
  72         interfaceName = this.operationInputs.getAsString(BluePrintConstants.PROPERTY_CURRENT_INTERFACE)\r
  73         operationName = this.operationInputs.getAsString(BluePrintConstants.PROPERTY_CURRENT_OPERATION)\r
  74 \r
  75 \r
  76         val operationResolvedProperties = bluePrintRuntimeService!!.resolveNodeTemplateInterfaceOperationInputs(nodeTemplateName, interfaceName, operationName)\r
  77 \r
  78         this.operationInputs.putAll(operationResolvedProperties)\r
  79 \r
  80 \r
  81 \r
  82         return executionServiceInput\r
  83     }\r
  84 \r
  85     override fun prepareResponse(): ExecutionServiceOutput {\r
  86         log.info("Preparing Response...")\r
  87         executionServiceOutput.commonHeader = executionServiceInput!!.commonHeader\r
  88 \r
  89         // Resolve the Output Expression\r
  90         val operationResolvedProperties = bluePrintRuntimeService!!\r
  91                 .resolveNodeTemplateInterfaceOperationOutputs(nodeTemplateName, interfaceName, operationName)\r
  92 \r
  93         val metadata = executionServiceOutput.metadata\r
  94         metadata.putJsonElement(BluePrintConstants.PROPERTY_CURRENT_STEP, stepName)\r
  95         metadata.putJsonElement("$stepName-step-outputs", operationResolvedProperties)\r
  96 \r
  97         // Populate Status\r
  98         val status = Status()\r
  99         status.eventType = "EVENT-COMPONENT-EXECUTED"\r
 100         status.code = 200\r
 101         status.message = BluePrintConstants.STATUS_SUCCESS\r
 102         executionServiceOutput.status = status\r
 103         return this.executionServiceOutput\r
 104     }\r
 105 \r
 106     override fun apply(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {\r
 107         prepareRequest(executionServiceInput)\r
 108         process(executionServiceInput)\r
 109         return prepareResponse()\r
 110     }\r
 111 \r
 112     fun getOperationInput(key: String): JsonNode {\r
 113         return operationInputs.get(key) ?: NullNode.instance\r
 114     }\r
 115 }