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

   1 /*
   2  * Copyright © 2017-2018 AT&T Intellectual Property.
   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.apps.blueprintsprocessor.services.workflow.executor
  18
  19 import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
  20 import org.onap.ccsdk.apps.blueprintsprocessor.services.execution.AbstractComponentFunction
  21 import org.onap.ccsdk.apps.blueprintsprocessor.services.workflow.BlueprintSvcLogicContext
  22 import org.onap.ccsdk.sli.core.sli.SvcLogicContext
  23 import org.onap.ccsdk.sli.core.sli.SvcLogicException
  24 import org.onap.ccsdk.sli.core.sli.SvcLogicNode
  25 import org.onap.ccsdk.sli.core.sli.provider.ExecuteNodeExecutor
  26 import org.onap.ccsdk.sli.core.sli.provider.SvcLogicExpressionResolver
  27 import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService
  28 import org.slf4j.LoggerFactory
  29 import org.springframework.beans.factory.annotation.Autowired
  30 import org.springframework.context.ApplicationContext
  31 import org.springframework.stereotype.Service
  32
  33 @Service
  34 open class ComponentExecuteNodeExecutor : ExecuteNodeExecutor() {
  35
  36     private val log = LoggerFactory.getLogger(ComponentExecuteNodeExecutor::class.java)
  37
  38     @Autowired
  39     private lateinit var context: ApplicationContext
  40
  41     fun getComponentFunction(pluginName: String): AbstractComponentFunction {
  42         return context.getBean(pluginName, AbstractComponentFunction::class.java)
  43     }
  44
  45     @Throws(SvcLogicException::class)
  46     override fun execute(svc: SvcLogicService, node: SvcLogicNode, svcLogicContext: SvcLogicContext): SvcLogicNode {
  47
  48         var outValue: String
  49
  50         val ctx = svcLogicContext as BlueprintSvcLogicContext
  51
  52         val nodeTemplateName = SvcLogicExpressionResolver.evaluate(node.getAttribute("plugin"), node, ctx)
  53
  54         try {
  55             // Get the Blueprint Context
  56             val blueprintContext = ctx.getBluePrintService().bluePrintContext()
  57             // Get the Component Name, NodeTemplate type is mapped to Component Name
  58             val componentName = blueprintContext.nodeTemplateByName(nodeTemplateName).type
  59
  60             log.info("executing node template($nodeTemplateName) component($componentName)")
  61             // Get the Component Instance
  62             val plugin = this.getComponentFunction(componentName)
  63
  64             val executionInput = ctx.getRequest() as ExecutionServiceInput
  65             // Get the Request from the Context and Set to the Function Input and Invoke the function
  66             val executionOutput = plugin.apply(executionInput)
  67
  68             ctx.setResponse(executionOutput)
  69
  70             outValue = executionOutput.status.message
  71             ctx.status = executionOutput.status.message
  72
  73         } catch (e: Exception) {
  74             this.log.error("Could not execute plugin($nodeTemplateName) : ", e)
  75             outValue = "failure"
  76             ctx.status = "failure"
  77         }
  78
  79         return this.getNextNode(node, outValue)
  80     }
  81 }