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

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   3  * Modifications Copyright © 2019 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.blueprintsprocessor.services.workflow.executor
  19
  20 import kotlinx.coroutines.runBlocking
  21 import org.onap.ccsdk.cds.blueprintsprocessor.core.api.data.ExecutionServiceInput
  22 import org.onap.ccsdk.cds.blueprintsprocessor.services.workflow.BlueprintSvcLogicContext
  23 import org.onap.ccsdk.cds.blueprintsprocessor.services.workflow.NodeTemplateExecutionService
  24 import org.onap.ccsdk.sli.core.sli.SvcLogicContext
  25 import org.onap.ccsdk.sli.core.sli.SvcLogicException
  26 import org.onap.ccsdk.sli.core.sli.SvcLogicNode
  27 import org.onap.ccsdk.sli.core.sli.provider.base.ExecuteNodeExecutor
  28 import org.onap.ccsdk.sli.core.sli.provider.base.SvcLogicExpressionResolver
  29 import org.onap.ccsdk.sli.core.sli.provider.base.SvcLogicServiceBase
  30 import org.slf4j.LoggerFactory
  31 import org.springframework.stereotype.Service
  32
  33 @Service
  34 open class ComponentExecuteNodeExecutor(private val nodeTemplateExecutionService: NodeTemplateExecutionService)
  35     : ExecuteNodeExecutor() {
  36
  37     private val log = LoggerFactory.getLogger(ComponentExecuteNodeExecutor::class.java)
  38
  39     @Throws(SvcLogicException::class)
  40     override fun execute(svc: SvcLogicServiceBase, node: SvcLogicNode, svcLogicContext: SvcLogicContext)
  41             : SvcLogicNode = runBlocking {
  42
  43         var outValue: String
  44
  45         val ctx = svcLogicContext as BlueprintSvcLogicContext
  46
  47         val nodeTemplateName = SvcLogicExpressionResolver.evaluate(node.getAttribute("plugin"), node, ctx)
  48
  49         val executionInput = ctx.getRequest() as ExecutionServiceInput
  50
  51         try {            // Get the Request from the Context and Set to the Function Input and Invoke the function
  52             val executionOutput = nodeTemplateExecutionService.executeNodeTemplate(ctx.getBluePrintService(),
  53                     nodeTemplateName, executionInput)
  54
  55             ctx.setResponse(executionOutput)
  56
  57             outValue = executionOutput.status.message
  58             ctx.status = executionOutput.status.message
  59
  60         } catch (e: Exception) {
  61             log.error("Could not execute plugin($nodeTemplateName) : ", e)
  62             outValue = "failure"
  63             ctx.status = "failure"
  64         }
  65
  66         getNextNode(node, outValue)
  67     }
  68
  69 }