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/*
* Copyright © 2018 IBM.
* Modifications Copyright © 2017-2018 AT&T Intellectual Property.
*
* 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.functions.resource.resolution.processor
import com.fasterxml.jackson.databind.JsonNode
import org.apache.commons.collections.MapUtils
import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.ResourceAssignmentRuntimeService
import org.onap.ccsdk.apps.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
import org.onap.ccsdk.apps.controllerblueprints.core.BluePrintProcessorException
import org.onap.ccsdk.apps.controllerblueprints.core.interfaces.BlueprintFunctionNode
import org.onap.ccsdk.apps.controllerblueprints.core.service.BluePrintTemplateService
import org.onap.ccsdk.apps.controllerblueprints.core.utils.JacksonUtils
import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceAssignment
import org.onap.ccsdk.apps.controllerblueprints.resource.dict.ResourceDefinition
import org.slf4j.LoggerFactory
import java.util.*
abstract class ResourceAssignmentProcessor : BlueprintFunctionNode<ResourceAssignment, ResourceAssignment> {
private val log = LoggerFactory.getLogger(ResourceAssignmentProcessor::class.java)
lateinit var raRuntimeService: ResourceAssignmentRuntimeService
lateinit var resourceDictionaries: MutableMap<String, ResourceDefinition>
var scriptPropertyInstances: MutableMap<String, Any> = hashMapOf()
/**
* This will be called from the scripts to serve instance from runtime to scripts.
*/
open fun <T> scriptPropertyInstanceType(name: String): T {
return scriptPropertyInstances as? T
?: throw BluePrintProcessorException("couldn't get script property instance ($name)")
}
open fun getFromInput(resourceAssignment: ResourceAssignment): JsonNode? {
var value: JsonNode? = null
try {
value = raRuntimeService.getInputValue(resourceAssignment.name)
ResourceAssignmentUtils.setResourceDataValue(resourceAssignment, raRuntimeService, value)
} catch (e: BluePrintProcessorException) {
// NoOp - couldn't find value from input
}
return value
}
open fun resourceDefinition(name: String): ResourceDefinition {
return resourceDictionaries[name]
?: throw BluePrintProcessorException("couldn't get resource definition for ($name)")
}
open fun resolveInputKeyMappingVariables(inputKeyMapping: Map<String, String>): Map<String, Any> {
val resolvedInputKeyMapping = HashMap<String, Any>()
if (MapUtils.isNotEmpty(inputKeyMapping)) {
for ((key, value) in inputKeyMapping) {
val resultValue = raRuntimeService.getResolutionStore(value)
val expressionValue = JacksonUtils.getValue(resultValue)
log.trace("Reference dictionary key ({}), value ({})", key, expressionValue)
resolvedInputKeyMapping[key] = expressionValue
}
}
return resolvedInputKeyMapping
}
open fun resolveFromInputKeyMapping(valueToResolve: String, keyMapping: Map<String, Any>): String {
if (valueToResolve.isEmpty() || !valueToResolve.contains("$")) {
return valueToResolve
}
return BluePrintTemplateService.generateContent(valueToResolve, additionalContext = keyMapping)
}
override fun prepareRequest(resourceAssignment: ResourceAssignment): ResourceAssignment {
log.info("prepareRequest for ${resourceAssignment.name}, dictionary(${resourceAssignment.dictionaryName})," +
"source(${resourceAssignment.dictionarySource})")
return resourceAssignment
}
override fun prepareResponse(): ResourceAssignment {
log.info("Preparing Response...")
return ResourceAssignment()
}
override fun apply(resourceAssignment: ResourceAssignment): ResourceAssignment {
try {
prepareRequest(resourceAssignment)
process(resourceAssignment)
} catch (runtimeException: RuntimeException) {
recover(runtimeException, resourceAssignment)
}
return prepareResponse()
}
}
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