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/*
* Copyright © 2019 IBM.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.ccsdk.apps.blueprintsprocessor.services.workflow
import com.fasterxml.jackson.databind.JsonNode
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceInput
import org.onap.ccsdk.apps.blueprintsprocessor.core.api.data.ExecutionServiceOutput
import org.onap.ccsdk.apps.blueprintsprocessor.services.execution.AbstractComponentFunction
import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintConstants
import org.onap.ccsdk.apps.controllerblueprints.core.asJsonNode
import org.onap.ccsdk.apps.controllerblueprints.core.putJsonElement
import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintRuntimeService
import org.slf4j.LoggerFactory
import org.springframework.context.ApplicationContext
import org.springframework.stereotype.Service
@Service
open class NodeTemplateExecutionService(private val applicationContext: ApplicationContext) {
private val log = LoggerFactory.getLogger(NodeTemplateExecutionService::class.java)!!
suspend fun executeNodeTemplate(bluePrintRuntimeService: BluePrintRuntimeService<*>, nodeTemplateName: String,
executionServiceInput: ExecutionServiceInput): ExecutionServiceOutput {
// Get the Blueprint Context
val blueprintContext = bluePrintRuntimeService.bluePrintContext()
// Get the Component Name, NodeTemplate type is mapped to Component Name
val componentName = blueprintContext.nodeTemplateByName(nodeTemplateName).type
val interfaceName = blueprintContext.nodeTemplateFirstInterfaceName(nodeTemplateName)
val operationName = blueprintContext.nodeTemplateFirstInterfaceFirstOperationName(nodeTemplateName)
log.info("executing node template($nodeTemplateName) component($componentName) " +
"interface($interfaceName) operation($operationName)")
// Get the Component Instance
val plugin = applicationContext.getBean(componentName, AbstractComponentFunction::class.java)
// Set the Blueprint Service
plugin.bluePrintRuntimeService = bluePrintRuntimeService
plugin.stepName = nodeTemplateName
// Populate Step Meta Data
val stepInputs: MutableMap<String, JsonNode> = hashMapOf()
stepInputs.putJsonElement(BluePrintConstants.PROPERTY_CURRENT_NODE_TEMPLATE, nodeTemplateName)
stepInputs.putJsonElement(BluePrintConstants.PROPERTY_CURRENT_INTERFACE, interfaceName)
stepInputs.putJsonElement(BluePrintConstants.PROPERTY_CURRENT_OPERATION, operationName)
plugin.bluePrintRuntimeService.put("$nodeTemplateName-step-inputs", stepInputs.asJsonNode())
// Get the Request from the Context and Set to the Function Input and Invoke the function
return withContext(Dispatchers.Default) {
plugin.apply(executionServiceInput)
}
}
}
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