ms/blueprintsprocessor/modules/services/workflow-service/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/services/workflow/BluePrintWorkflowExecutionServiceImpl.kt

   1 /*
   2  *  Copyright © 2019 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.cds.blueprintsprocessor.services.workflow
  18
  19 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
  20 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceOutput
  21 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
  22 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
  23 import org.onap.ccsdk.cds.controllerblueprints.core.asObjectNode
  24 import org.onap.ccsdk.cds.controllerblueprints.core.interfaces.BluePrintWorkflowExecutionService
  25 import org.onap.ccsdk.cds.controllerblueprints.core.service.BluePrintRuntimeService
  26 import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
  27 import org.slf4j.LoggerFactory
  28 import org.springframework.stereotype.Service
  29
  30 @Service("bluePrintWorkflowExecutionService")
  31 open class BluePrintWorkflowExecutionServiceImpl(
  32     private val componentWorkflowExecutionService: ComponentWorkflowExecutionService,
  33     private val dgWorkflowExecutionService: DGWorkflowExecutionService
  34 ) : BluePrintWorkflowExecutionService<ExecutionServiceInput, ExecutionServiceOutput> {
  35
  36     private val log = LoggerFactory.getLogger(BluePrintWorkflowExecutionServiceImpl::class.java)!!
  37
  38     override suspend fun executeBluePrintWorkflow(bluePrintRuntimeService: BluePrintRuntimeService<*>,
  39                                                   executionServiceInput: ExecutionServiceInput,
  40                                                   properties: MutableMap<String, Any>): ExecutionServiceOutput {
  41
  42         val bluePrintContext = bluePrintRuntimeService.bluePrintContext()
  43
  44         val workflowName = executionServiceInput.actionIdentifiers.actionName
  45
  46         // Assign Workflow inputs
  47         val input = executionServiceInput.payload.get("$workflowName-request")
  48         bluePrintRuntimeService.assignWorkflowInputs(workflowName, input)
  49
  50         // Get the DG Node Template
  51         val nodeTemplateName = bluePrintContext.workflowFirstStepNodeTemplate(workflowName)
  52
  53         val derivedFrom = bluePrintContext.nodeTemplateNodeType(nodeTemplateName).derivedFrom
  54
  55         log.info("Executing workflow($workflowName) NodeTemplate($nodeTemplateName), derived from($derivedFrom)")
  56
  57         val executionServiceOutput: ExecutionServiceOutput = when {
  58             derivedFrom.startsWith(BluePrintConstants.MODEL_TYPE_NODE_COMPONENT, true) -> {
  59                 componentWorkflowExecutionService
  60                     .executeBluePrintWorkflow(bluePrintRuntimeService, executionServiceInput, properties)
  61             }
  62             derivedFrom.startsWith(BluePrintConstants.MODEL_TYPE_NODE_WORKFLOW, true) -> {
  63                 dgWorkflowExecutionService
  64                     .executeBluePrintWorkflow(bluePrintRuntimeService, executionServiceInput, properties)
  65             }
  66             else -> {
  67                 throw BluePrintProcessorException("couldn't execute workflow($workflowName) step mapped " +
  68                         "to node template($nodeTemplateName) derived from($derivedFrom)")
  69             }
  70         }
  71
  72         executionServiceOutput.commonHeader = executionServiceInput.commonHeader
  73         executionServiceOutput.actionIdentifiers = executionServiceInput.actionIdentifiers
  74         // Resolve Workflow Outputs
  75         val workflowOutputs = bluePrintRuntimeService.resolveWorkflowOutputs(workflowName)
  76
  77         // Set the Response Payload
  78         executionServiceOutput.payload = JacksonUtils.objectMapper.createObjectNode()
  79         executionServiceOutput.payload.set("$workflowName-response", workflowOutputs.asObjectNode())
  80         return executionServiceOutput
  81     }
  82
  83 }