gerrit.onap Code Review - ccsdk/apps.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 org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput\r
  23 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceOutput\r
  24 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.Status\r
  25 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants\r
  26 import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException\r
  27 import org.onap.ccsdk.apps.controllerblueprints.core.asJsonNode\r
  28 import org.onap.ccsdk.apps.controllerblueprints.core.getAsString\r
  29 import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BlueprintFunctionNode\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     lateinit var executionServiceInput: ExecutionServiceInput\r
  42     var executionServiceOutput = ExecutionServiceOutput()\r
  43     lateinit var bluePrintRuntimeService: BluePrintRuntimeService<*>\r
  44     lateinit var processId: String\r
  45     lateinit var workflowName: String\r
  46     lateinit var stepName: String\r
  47     lateinit var interfaceName: String\r
  48     lateinit var operationName: String\r
  49     lateinit var nodeTemplateName: String\r
  50     var operationInputs: MutableMap<String, JsonNode> = hashMapOf()\r
  51 \r
  52     override fun getName(): String {\r
  53         return stepName\r
  54     }\r
  55 \r
  56     override fun prepareRequest(executionRequest: ExecutionServiceInput): ExecutionServiceInput {
  57         checkNotNull(bluePrintRuntimeService) { "failed to prepare blueprint runtime" }\r
  58 \r
  59         check(stepName.isNotEmpty()) { "failed to assign step name" }\r
  60 \r
  61         this.executionServiceInput = executionRequest
  62 \r
  63         processId = executionRequest.commonHeader.requestId
  64         check(processId.isNotEmpty()) { "couldn't get process id for step($stepName)" }\r
  65 \r
  66         workflowName = executionRequest.actionIdentifiers.actionName
  67         check(workflowName.isNotEmpty()) { "couldn't get action name for step($stepName)" }\r
  68 \r
  69         log.info("preparing request id($processId) for workflow($workflowName) step($stepName)")\r
  70 \r
  71         val operationInputs = bluePrintRuntimeService.get("$stepName-step-inputs")\r
  72                 ?: JsonNodeFactory.instance.objectNode()\r
  73 \r
  74         operationInputs.fields().forEach {\r
  75             this.operationInputs[it.key] = it.value\r
  76         }\r
  77 \r
  78         nodeTemplateName = this.operationInputs.getAsString(BluePrintConstants.PROPERTY_CURRENT_NODE_TEMPLATE)\r
  79         check(nodeTemplateName.isNotEmpty()) { "couldn't get NodeTemplate name for step($stepName)" }\r
  80 \r
  81         interfaceName = this.operationInputs.getAsString(BluePrintConstants.PROPERTY_CURRENT_INTERFACE)\r
  82         check(interfaceName.isNotEmpty()) { "couldn't get Interface name for step($stepName)" }\r
  83 \r
  84         operationName = this.operationInputs.getAsString(BluePrintConstants.PROPERTY_CURRENT_OPERATION)\r
  85         check(operationName.isNotEmpty()) { "couldn't get Operation name for step($stepName)" }\r
  86 \r
  87         val operationResolvedProperties = bluePrintRuntimeService.resolveNodeTemplateInterfaceOperationInputs(nodeTemplateName, interfaceName, operationName)\r
  88 \r
  89         this.operationInputs.putAll(operationResolvedProperties)\r
  90 \r
  91         return executionRequest
  92     }\r
  93 \r
  94     override fun prepareResponse(): ExecutionServiceOutput {\r
  95         log.info("Preparing Response...")\r
  96         executionServiceOutput.commonHeader = executionServiceInput.commonHeader\r
  97         executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
  98         executionServiceOutput.payload = executionServiceInput.payload
  99 \r
 100         // Resolve the Output Expression\r
 101         val stepOutputs = bluePrintRuntimeService\r
 102                 .resolveNodeTemplateInterfaceOperationOutputs(nodeTemplateName, interfaceName, operationName)\r
 103 \r
 104         bluePrintRuntimeService.put("$stepName-step-outputs", stepOutputs.asJsonNode())\r
 105 \r
 106         // Populate Status\r
 107         val status = Status()\r
 108         status.eventType = "EVENT-COMPONENT-EXECUTED"\r
 109         status.code = 200\r
 110         status.message = BluePrintConstants.STATUS_SUCCESS\r
 111         executionServiceOutput.status = status\r
 112         return this.executionServiceOutput\r
 113     }\r
 114 \r
 115     override fun apply(executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {\r
 116         prepareRequest(executionServiceInput)\r
 117         process(executionServiceInput)\r
 118         return prepareResponse()\r
 119     }\r
 120 \r
 121     fun getOperationInput(key: String): JsonNode {\r
 122         return operationInputs[key]\r
 123                 ?: throw BluePrintProcessorException("couldn't get the operation input($key) value.")\r
 124     }\r
 125 \r
 126     fun setAttribute(key: String, value: JsonNode) {\r
 127         bluePrintRuntimeService.setNodeTemplateAttributeValue(nodeTemplateName, key, value)\r
 128     }\r
 129 }