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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.so.bpmn.buildingblock;
import static org.apache.commons.lang3.StringUtils.*;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import org.apache.commons.lang.SerializationUtils;
import org.camunda.bpm.engine.delegate.BpmnError;
import org.json.JSONArray;
import org.json.JSONObject;
import org.onap.so.bpmn.common.BuildingBlockExecution;
import org.onap.so.bpmn.core.json.JsonUtils;
import org.onap.so.bpmn.servicedecomposition.bbobjects.AllottedResource;
import org.onap.so.bpmn.servicedecomposition.bbobjects.CloudRegion;
import org.onap.so.bpmn.servicedecomposition.bbobjects.Customer;
import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
import org.onap.so.bpmn.servicedecomposition.bbobjects.Pnf;
import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceInstance;
import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceProxy;
import org.onap.so.bpmn.servicedecomposition.bbobjects.VpnBondingLink;
import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
import org.onap.so.bpmn.servicedecomposition.generalobjects.License;
import org.onap.so.bpmn.servicedecomposition.generalobjects.RequestContext;
import org.onap.so.bpmn.servicedecomposition.generalobjects.RequestParameters;
import org.onap.so.bpmn.servicedecomposition.homingobjects.Candidate;
import org.onap.so.bpmn.servicedecomposition.homingobjects.CandidateType;
import org.onap.so.bpmn.servicedecomposition.homingobjects.SolutionCandidates;
import org.onap.so.bpmn.servicedecomposition.homingobjects.SolutionInfo;
import org.onap.so.bpmn.servicedecomposition.modelinfo.ModelInfoMetadata;
import org.onap.so.bpmn.servicedecomposition.modelinfo.ModelInfoServiceInstance;
import org.onap.so.client.exception.BadResponseException;
import org.onap.so.client.exception.ExceptionBuilder;
import org.onap.so.client.sniro.SniroClient;
import static org.onap.so.client.sniro.SniroValidator.*;
import org.onap.so.client.sniro.beans.Demand;
import org.onap.so.client.sniro.beans.LicenseInfo;
import org.onap.so.client.sniro.beans.ModelInfo;
import org.onap.so.client.sniro.beans.PlacementInfo;
import org.onap.so.client.sniro.beans.RequestInfo;
import org.onap.so.client.sniro.beans.ServiceInfo;
import org.onap.so.client.sniro.beans.SniroManagerRequest;
import org.onap.so.client.sniro.beans.SubscriberInfo;
import org.onap.so.db.catalog.beans.OrchestrationStatus;
import org.onap.so.logger.MsoLogger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;
import org.springframework.web.util.UriUtils;
/**
* The sniro homing building block obtains licensing and homing solutions for a given
* resource or set of resources.
*
* @author cb645j
*
*/
@Component("SniroHoming")
public class SniroHomingV2 {
private static final MsoLogger log = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL, SniroHomingV2.class);
private JsonUtils jsonUtils = new JsonUtils();
@Autowired
private Environment env;
@Autowired
private SniroClient client;
@Autowired
private ExceptionBuilder exceptionUtil;
private static final String MODEL_NAME = "modelName";
private static final String MODEL_INVARIANT_ID = "modelInvariantId";
private static final String MODEL_VERSION_ID = "modelVersionId";
private static final String MODEL_VERSION = "modelVersion";
private static final String SERVICE_RESOURCE_ID = "serviceResourceId";
private static final String RESOURCE_MODULE_NAME = "resourceModuleName";
private static final String RESOURCE_MODEL_INFO = "resourceModelInfo";
private static final String IDENTIFIER_TYPE = "identifierType";
private static final String INVENTORY_TYPE = "inventoryType";
private static final String SOLUTIONS = "solutions";
private static final String RESOURCE_MISSING_DATA = "Resource does not contain: ";
private static final String SERVICE_MISSING_DATA = "Service Instance does not contain: ";
private static final String UNPROCESSABLE = "422";
private static final int INTERNAL = 500;
/**
* Generates the request payload then sends to sniro manager to perform homing and
* licensing for the provided demands
*
* @param execution
*/
public void callSniro(BuildingBlockExecution execution){
log.debug("Started Sniro Homing Call Sniro");
try{
GeneralBuildingBlock bb = execution.getGeneralBuildingBlock();
RequestContext requestContext = bb.getRequestContext();
RequestParameters requestParams = requestContext.getRequestParameters();
String requestId = requestContext.getMsoRequestId();
ServiceInstance serviceInstance = bb.getCustomer().getServiceSubscription().getServiceInstances().get(0);
Customer customer = bb.getCustomer();
String timeout = execution.getVariable("timeout");
if(isBlank(timeout)){
timeout = env.getProperty("sniro.manager.timeout", "PT30M");
}
SniroManagerRequest request = new SniroManagerRequest();
RequestInfo requestInfo = buildRequestInfo(requestId, timeout);
request.setRequestInformation(requestInfo);
ServiceInfo serviceInfo = buildServiceInfo(serviceInstance);
request.setServiceInformation(serviceInfo);
PlacementInfo placementInfo = buildPlacementInfo(customer, requestParams);
List<Demand> placementDemands = buildPlacementDemands(serviceInstance);
placementInfo.setDemands(placementDemands);
request.setPlacementInformation(placementInfo);
LicenseInfo licenseInfo = new LicenseInfo();
List<Demand> licenseDemands = buildLicenseDemands(serviceInstance);
licenseInfo.setDemands(licenseDemands);
request.setLicenseInformation(licenseInfo);
if(placementDemands.size() > 0 || licenseDemands.size() > 0){
client.postDemands(request);
}else{
log.debug(SERVICE_MISSING_DATA + "resources eligible for homing or licensing");
throw new BpmnError(UNPROCESSABLE, SERVICE_MISSING_DATA + "resources eligible for homing or licensing");
}
//Variables for ReceiveWorkflowMessage subflow
execution.setVariable("asyncCorrelator", requestId);
execution.setVariable("asyncMessageType", "SNIROResponse");
execution.setVariable("asyncTimeout", timeout);
log.trace("Completed Sniro Homing Call Sniro");
}catch(BpmnError e){
log.error(e);
exceptionUtil.buildAndThrowWorkflowException(execution, Integer.parseInt(e.getErrorCode()), e.getMessage());
}catch(BadResponseException e){
log.error(e);
exceptionUtil.buildAndThrowWorkflowException(execution, 400, e.getMessage());
}catch(Exception e){
log.error(e);
exceptionUtil.buildAndThrowWorkflowException(execution, INTERNAL, "Internal Error - occurred while preparing sniro request: " + e.getMessage());
}
}
/**
* Validates, processes, and sets the homing and licensing solutions that are returned by
* sniro manager
*
* @param execution
* @param asyncResponse
*/
public void processSolution(BuildingBlockExecution execution, String asyncResponse){
log.trace("Started Sniro Homing Process Solution");
try{
//TODO improve handling multiple solutions but is dependent on sniro enhancing api + work with sniro conductor to improve "inventoryType" representation
validateSolution(asyncResponse);
ServiceInstance serviceInstance = execution.getGeneralBuildingBlock().getCustomer().getServiceSubscription().getServiceInstances().get(0);
log.debug("Processing sniro manager asyncronous response");
JSONObject response = new JSONObject(asyncResponse);
if(response.has(SOLUTIONS)){
JSONObject allSolutions = response.getJSONObject(SOLUTIONS);
if(allSolutions.has("placementSolutions")){
JSONArray placementSolutions = allSolutions.getJSONArray("placementSolutions");
for(int i = 0; i < placementSolutions.length(); i++){
JSONArray placements = placementSolutions.getJSONArray(i);
processPlacementSolution(serviceInstance, placements, i);
}
}
if(allSolutions.has("licenseSolutions")){
JSONArray licenseSolutions = allSolutions.getJSONArray("licenseSolutions");
if(licenseSolutions.length() > 0){
processLicenseSolution(serviceInstance, licenseSolutions);
}
}
}else{
throw new BpmnError(UNPROCESSABLE, "Sniro Managers response does not contain: " + SOLUTIONS);
}
execution.setVariable("generalBuildingBlock", execution.getGeneralBuildingBlock());
log.trace("Completed Sniro Homing Process Solution");
}catch(BpmnError e){
log.error(e);
exceptionUtil.buildAndThrowWorkflowException(execution, Integer.parseInt(e.getErrorCode()), e.getMessage());
}catch(BadResponseException e){
log.error(e);
exceptionUtil.buildAndThrowWorkflowException(execution, 400, e.getMessage());
}catch(Exception e){
log.error(e);
exceptionUtil.buildAndThrowWorkflowException(execution, INTERNAL, "Internal Error - occurred while processing sniro asynchronous response: " + e.getMessage());
}
}
/**
* Builds the request information section for the homing/licensing request
*
* @throws Exception
*/
private RequestInfo buildRequestInfo(String requestId, String timeout) throws Exception{
log.trace("Building request information");
RequestInfo requestInfo = new RequestInfo();
if(requestId != null){
String host = env.getProperty("mso.workflow.message.endpoint");
String callbackUrl = host + "/" + UriUtils.encodePathSegment("SNIROResponse", "UTF-8") + "/" + UriUtils.encodePathSegment(requestId, "UTF-8");
Duration d = Duration.parse(timeout);
requestInfo.setTransactionId(requestId);
requestInfo.setRequestId(requestId);
requestInfo.setCallbackUrl(callbackUrl);
requestInfo.setRequestType("create");
requestInfo.setTimeout(d.getSeconds());
} else{
throw new BpmnError(UNPROCESSABLE, "Request Context does not contain: requestId");
}
return requestInfo;
}
/**
* Builds the request information section for the homing/licensing request
*
*/
private ServiceInfo buildServiceInfo(ServiceInstance serviceInstance){
log.trace("Building service information");
ServiceInfo info = new ServiceInfo();
ModelInfoServiceInstance modelInfo = serviceInstance.getModelInfoServiceInstance();
if(isNotBlank(modelInfo.getModelInvariantUuid()) && isNotBlank(modelInfo.getModelUuid())){
info.setServiceInstanceId(serviceInstance.getServiceInstanceId());
if(modelInfo.getServiceType() != null && modelInfo.getServiceType().length() > 0){ //temp solution
info.setServiceName(modelInfo.getServiceType());
}
if(modelInfo.getServiceRole() != null){
info.setServiceRole(modelInfo.getServiceRole());
}
info.setModelInfo(buildModelInfo(modelInfo));
}else{
throw new BpmnError(UNPROCESSABLE, SERVICE_MISSING_DATA + MODEL_VERSION_ID + ", " + MODEL_INVARIANT_ID);
}
return info;
}
/**
* Builds initial section of placement info for the homing/licensing request
*
*/
private PlacementInfo buildPlacementInfo(Customer customer, RequestParameters requestParams){
PlacementInfo placementInfo = new PlacementInfo();
if(customer != null){
log.debug("Adding subscriber to placement information");
SubscriberInfo subscriber = new SubscriberInfo();
subscriber.setGlobalSubscriberId(customer.getGlobalCustomerId());
subscriber.setSubscriberName(customer.getSubscriberName());
subscriber.setSubscriberCommonSiteId(customer.getSubscriberCommonSiteId());
placementInfo.setSubscriberInfo(subscriber);
if(requestParams != null){
log.debug("Adding request parameters to placement information");
placementInfo.setRequestParameters(requestParams.toJsonString());
}
}else{
throw new BpmnError(UNPROCESSABLE, SERVICE_MISSING_DATA + "customer");
}
return placementInfo;
}
/**
* Builds the placement demand list for the homing/licensing request
*
*/
private List<Demand> buildPlacementDemands(ServiceInstance serviceInstance){
log.trace("Building placement information demands");
List<Demand> placementDemands = new ArrayList<Demand>();
List<AllottedResource> allottedResourceList = serviceInstance.getAllottedResources();
if(!allottedResourceList.isEmpty()){
log.debug("Adding allotted resources to placement demands list");
for(AllottedResource ar : allottedResourceList){
if(isBlank(ar.getId())){
ar.setId(UUID.randomUUID().toString());
}
Demand demand = buildDemand(ar.getId(), ar.getModelInfoAllottedResource());
addCandidates(ar, demand);
placementDemands.add(demand);
}
}
List<VpnBondingLink> vpnBondingLinkList = serviceInstance.getVpnBondingLinks();
if(!vpnBondingLinkList.isEmpty()){
log.debug("Adding vpn bonding links to placement demands list");
for(VpnBondingLink vbl:vpnBondingLinkList){
List<ServiceProxy> serviceProxyList = vbl.getServiceProxies();
for(ServiceProxy sp : serviceProxyList){
if(isBlank(sp.getId())){
sp.setId(UUID.randomUUID().toString());
}
Demand demand = buildDemand(sp.getId(), sp.getModelInfoServiceProxy());
addCandidates(sp, demand);
placementDemands.add(demand);
}
}
}
return placementDemands;
}
/**
* Builds the license demand list for the homing/licensing request
*
*/
private List<Demand> buildLicenseDemands(ServiceInstance serviceInstance){
log.trace("Building license information");
List<Demand> licenseDemands = new ArrayList<Demand>();
List<GenericVnf> vnfList = serviceInstance.getVnfs();
if(!vnfList.isEmpty()){
log.debug("Adding vnfs to license demands list");
for(GenericVnf vnf : vnfList){
Demand demand = buildDemand(vnf.getVnfId(), vnf.getModelInfoGenericVnf());
licenseDemands.add(demand);
}
}
return licenseDemands;
}
/**
* Builds a single demand object
*
*/
private Demand buildDemand(String id, ModelInfoMetadata metadata){
log.debug("Building demand for service or resource: " + id);
Demand demand = new Demand();
if(isNotBlank(id) && isNotBlank(metadata.getModelInstanceName())){
demand.setServiceResourceId(id);
demand.setResourceModuleName(metadata.getModelInstanceName());
demand.setModelInfo(buildModelInfo(metadata));
}else{
throw new BpmnError(UNPROCESSABLE, RESOURCE_MISSING_DATA + "modelInstanceName");
}
return demand;
}
/**
* Builds the resource model info section
*
*/
private ModelInfo buildModelInfo(ModelInfoMetadata metadata){
ModelInfo object = new ModelInfo();
String invariantUuid = metadata.getModelInvariantUuid();
String modelUuid = metadata.getModelUuid();
if(isNotBlank(invariantUuid) && isNotBlank(modelUuid)){
object.setModelInvariantId(invariantUuid);
object.setModelVersionId(modelUuid);
object.setModelName(metadata.getModelName());
object.setModelVersion(metadata.getModelVersion());
}else if(isNotBlank(invariantUuid)){
throw new BpmnError(UNPROCESSABLE, RESOURCE_MISSING_DATA + MODEL_VERSION_ID);
}else{
throw new BpmnError(UNPROCESSABLE, RESOURCE_MISSING_DATA + MODEL_INVARIANT_ID);
}
return object;
}
/**
* Adds required, excluded, and existing candidates to a demand
*
*/
private void addCandidates(SolutionCandidates candidates, Demand demand){
List<Candidate> required = candidates.getRequiredCandidates();
List<Candidate> excluded = candidates.getExcludedCandidates();
if(!required.isEmpty()){
List<org.onap.so.client.sniro.beans.Candidate> cans = new ArrayList<org.onap.so.client.sniro.beans.Candidate>();
for(Candidate c:required){
org.onap.so.client.sniro.beans.Candidate can = new org.onap.so.client.sniro.beans.Candidate();
can.setIdentifierType(c.getIdentifierType());
can.setIdentifiers(c.getIdentifiers());
can.setCloudOwner(c.getCloudOwner());
cans.add(can);
}
demand.setRequiredCandidates(cans);
}
if(!excluded.isEmpty()){
List<org.onap.so.client.sniro.beans.Candidate> cans = new ArrayList<org.onap.so.client.sniro.beans.Candidate>();
for(Candidate c:excluded){
org.onap.so.client.sniro.beans.Candidate can = new org.onap.so.client.sniro.beans.Candidate();
can.setIdentifierType(c.getIdentifierType());
can.setIdentifiers(c.getIdentifiers());
can.setCloudOwner(c.getCloudOwner());
cans.add(can);
}
demand.setExcludedCandidates(cans);
}
//TODO support existing candidates
}
/**
* Processes the license solutions and sets to the corresponding generic vnf
*
*/
private void processLicenseSolution(ServiceInstance serviceInstance, JSONArray licenseSolutions){
List<GenericVnf> vnfs = serviceInstance.getVnfs();
log.debug("Processing the license solution");
for(int i = 0; i < licenseSolutions.length(); i++){
JSONObject licenseSolution = licenseSolutions.getJSONObject(i);
for(GenericVnf vnf:vnfs){
if(licenseSolution.getString(SERVICE_RESOURCE_ID).equals(vnf.getVnfId())){
License license = new License();
JSONArray entitlementPools = licenseSolution.getJSONArray("entitlementPoolUUID");
List<String> entitlementPoolsList = jsonUtils.StringArrayToList(entitlementPools);
license.setEntitlementPoolUuids(entitlementPoolsList);
JSONArray licenseKeys = licenseSolution.getJSONArray("licenseKeyGroupUUID");
List<String> licenseKeysList = jsonUtils.StringArrayToList(licenseKeys);
license.setLicenseKeyGroupUuids(licenseKeysList);
vnf.setLicense(license);
}
}
}
}
/**
* Processes a placement solution list then correlates and sets each placement solution
* to its corresponding resource
*
*/
private void processPlacementSolution(ServiceInstance serviceInstance, JSONArray placements, int i){
List<VpnBondingLink> links = serviceInstance.getVpnBondingLinks();
List<AllottedResource> allottes = serviceInstance.getAllottedResources();
List<GenericVnf> vnfs = serviceInstance.getVnfs();
log.debug("Processing placement solution " + i+1);
for(int p = 0; p < placements.length(); p++){
JSONObject placement = placements.getJSONObject(p);
SolutionInfo solutionInfo = new SolutionInfo();
solutionInfo.setSolutionId(i + 1);
search: {
for(VpnBondingLink vbl:links){
List<ServiceProxy> proxies = vbl.getServiceProxies();
for(ServiceProxy sp:proxies){
if(placement.getString(SERVICE_RESOURCE_ID).equals(sp.getId())){
if(i > 0){
if(p % 2 == 0){
VpnBondingLink vblNew = (VpnBondingLink) SerializationUtils.clone(vbl);
vblNew.setVpnBondingLinkId(UUID.randomUUID().toString());
links.add(vblNew);
}
links.get(links.size() - 1).getServiceProxy(sp.getId()).setServiceInstance(setSolution(solutionInfo, placement));
}else{
sp.setServiceInstance(setSolution(solutionInfo, placement));
}
break search;
}
}
}
for(AllottedResource ar:allottes){
if(placement.getString(SERVICE_RESOURCE_ID).equals(ar.getId())){
ar.setParentServiceInstance(setSolution(solutionInfo, placement));
break search;
}
}
for(GenericVnf vnf:vnfs){
if(placement.getString(SERVICE_RESOURCE_ID).equals(vnf.getVnfId())){
ServiceInstance si = setSolution(solutionInfo, placement);
serviceInstance.setSolutionInfo(si.getSolutionInfo());
serviceInstance.getVnfs().add(si.getVnfs().get(0));
break search;
}
}
}
}
}
/**
* Creates and sets necessary pojos with placement solution data for a given demand
*
*/
private ServiceInstance setSolution(SolutionInfo solutionInfo, JSONObject placement){
log.debug("Mapping placement solution");
String invalidMessage = "Sniro Managers Response contains invalid: ";
JSONObject solution = placement.getJSONObject("solution");
String identifierType = solution.getString(IDENTIFIER_TYPE);
List<String> identifiersList = jsonUtils.StringArrayToList(solution.getJSONArray("identifiers").toString());
String identifierValue = identifiersList.get(0);
JSONArray assignments = placement.getJSONArray("assignmentInfo");
Map<String, String> assignmentsMap = jsonUtils.entryArrayToMap(assignments.toString(), "key", "value");
solutionInfo.setRehome(Boolean.parseBoolean(assignmentsMap.get("isRehome")));
String type = placement.getString(INVENTORY_TYPE);
ServiceInstance si = new ServiceInstance();
CloudRegion cloud = setCloud(assignmentsMap);
if(type.equals("service")){
if(identifierType.equals(CandidateType.SERVICE_INSTANCE_ID.toString())){
solutionInfo.setHomed(true);
si.setServiceInstanceId(identifierValue);
si.setOrchestrationStatus(OrchestrationStatus.CREATED);
cloud.setLcpCloudRegionId(assignmentsMap.get("cloudRegionId"));
if(assignmentsMap.containsKey("vnfHostName")){
log.debug("Resources has been homed to a vnf");
GenericVnf vnf = setVnf(assignmentsMap);
vnf.setCloudRegion(cloud);
si.getVnfs().add(vnf);
}else if(assignmentsMap.containsKey("primaryPnfName")){
log.debug("Resources has been homed to a pnf");
Pnf priPnf = setPnf(assignmentsMap, "primary");
priPnf.setCloudRegion(cloud);
si.getPnfs().add(priPnf);
if(assignmentsMap.containsKey("secondaryPnfName")){
Pnf secPnf = setPnf(assignmentsMap, "secondary");
secPnf.setCloudRegion(cloud);
si.getPnfs().add(secPnf);
}
}
}else{
log.debug(invalidMessage + IDENTIFIER_TYPE);
throw new BpmnError(UNPROCESSABLE, invalidMessage + IDENTIFIER_TYPE);
}
}else if(type.equals("cloud")){
if(identifierType.equals(CandidateType.CLOUD_REGION_ID.toString())){
log.debug("Resources has been homed to a cloud region");
cloud.setLcpCloudRegionId(identifierValue);
solutionInfo.setHomed(false);
solutionInfo.setTargetedCloudRegion(cloud);
si.setOrchestrationStatus(OrchestrationStatus.PRECREATED);
}else{
log.debug(invalidMessage + IDENTIFIER_TYPE);
throw new BpmnError(UNPROCESSABLE, invalidMessage + IDENTIFIER_TYPE);
}
}else{
log.debug(invalidMessage + INVENTORY_TYPE);
throw new BpmnError(UNPROCESSABLE, invalidMessage + INVENTORY_TYPE);
}
si.setSolutionInfo(solutionInfo);
return si;
}
/**
* Sets the cloud data to a cloud region object
*
*/
private CloudRegion setCloud(Map<String, String> assignmentsMap){
CloudRegion cloud = new CloudRegion();
cloud.setCloudOwner(assignmentsMap.get("cloudOwner"));
cloud.setCloudRegionVersion(assignmentsMap.get("aicVersion"));
cloud.setComplex(assignmentsMap.get("aicClli"));
return cloud;
}
/**
* Sets the vnf data to a generic vnf object
*
*/
private GenericVnf setVnf(Map<String, String> assignmentsMap){
GenericVnf vnf = new GenericVnf();
vnf.setOrchestrationStatus(OrchestrationStatus.CREATED);
vnf.setVnfName(assignmentsMap.get("vnfHostName"));
vnf.setVnfId(assignmentsMap.get("vnfId"));
return vnf;
}
/**
* Sets the pnf data to a pnf object
*
*/
private Pnf setPnf(Map<String, String> assignmentsMap, String role){
Pnf pnf = new Pnf();
pnf.setRole(role);
pnf.setOrchestrationStatus(OrchestrationStatus.CREATED);
pnf.setPnfName(assignmentsMap.get(role + "PnfName"));
return pnf;
}
}
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