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package org.openecomp.sdc.be.tosca.utils;
import fj.data.Either;
import org.apache.commons.collections.MapUtils;
import org.openecomp.sdc.be.datatypes.elements.ForwardingPathDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.ForwardingPathElementDataDefinition;
import org.openecomp.sdc.be.model.CapabilityDefinition;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.ComponentInstance;
import org.openecomp.sdc.be.model.Service;
import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ToscaOperationFacade;
import org.openecomp.sdc.be.tosca.CapabilityRequirementConverter;
import org.openecomp.sdc.be.tosca.model.ToscaNodeTemplate;
import org.openecomp.sdc.be.tosca.model.ToscaTemplateRequirement;
import java.util.*;
import java.util.Collection;
/**
* @author KATYR
* @since November 19, 2017
*/
public class ForwardingPathToscaUtil {
public static final String FORWARDS_TO_TOSCA_NAME =
"org.openecomp.relationships.ForwardsTo";
public static final String PROTOCOL = "protocol";
public static final String PORTS_RANGE = "target_range";
public static final String FORWARDER = "forwarder";
public static void addForwardingPaths(Service service, Map<String, ToscaNodeTemplate>
nodeTemplates, CapabilityRequirementConverter capabiltyRequirementConvertor, Map<String, Component> originComponents, ToscaOperationFacade toscaOperationFacade) {
for (String forwardingPathName : service.getForwardingPaths().keySet()) {
ToscaNodeTemplate forwardingPathNodeTemplate =
new ToscaNodeTemplate();
final ForwardingPathDataDefinition path =
service.getForwardingPaths().get(forwardingPathName);
forwardingPathNodeTemplate.setType(path.getToscaResourceName());
if (Objects.nonNull(path.getDescription())) {
forwardingPathNodeTemplate.setDescription(path
.getDescription());
}
Map<String, Object> props = new HashMap<>();
if (Objects.nonNull(path.getDestinationPortNumber())) {
props.put(PORTS_RANGE, Collections.singletonList(path.getDestinationPortNumber()));
}
if (Objects.nonNull(path.getProtocol())) {
props.put(PROTOCOL, path.getProtocol());
}
if (MapUtils.isNotEmpty(props)) {
forwardingPathNodeTemplate.setProperties(props);
}
final List<ForwardingPathElementDataDefinition> pathElements =
path.getPathElements()
.getListToscaDataDefinition();
forwardingPathNodeTemplate.setRequirements(convertPathElementsToRequirements(pathElements,
service, capabiltyRequirementConvertor, originComponents, toscaOperationFacade));
nodeTemplates.put(path.getName(), forwardingPathNodeTemplate);
}
}
private static List<Map<String, ToscaTemplateRequirement>> convertPathElementsToRequirements(
List<ForwardingPathElementDataDefinition> pathElements, Service service, CapabilityRequirementConverter capabiltyRequirementConvertor, Map<String, Component> originComponents, ToscaOperationFacade toscaOperationFacade) {
List<Map<String, ToscaTemplateRequirement>> toscaRequirements = new ArrayList<>();
for (int i = 0; i <= pathElements.size() -1 ; i++) {
final ForwardingPathElementDataDefinition element = pathElements.get(i);
toscaRequirements.add(handleSingleReq(fetchCPName(service, element.getFromNode(), element.getFromCP(), capabiltyRequirementConvertor, originComponents, toscaOperationFacade), fetchNodeName(service, element.getFromNode())));
if ( i == pathElements.size() -1) {
toscaRequirements.add(handleSingleReq(fetchCPName(service, element.getToNode(), element.getToCP(), capabiltyRequirementConvertor, originComponents, toscaOperationFacade), fetchNodeName(service, element
.getToNode())));
}
}
return toscaRequirements;
}
private static String fetchNodeName(Service service, String nodeId) {
if (service.getComponentInstanceByName(nodeId).isPresent()) {
return service.getComponentInstanceByName(nodeId).get().getName();
} else {
return "";
}
}
private static Map<String, ToscaTemplateRequirement> handleSingleReq(
String fromCP, String fromNode) {
Map<String, ToscaTemplateRequirement> toscaReqMap = new HashMap<>();
ToscaTemplateRequirement firstReq = new ToscaTemplateRequirement();
firstReq.setRelationship(FORWARDS_TO_TOSCA_NAME); //todo
firstReq.setCapability(fromCP);
firstReq.setNode(fromNode);
toscaReqMap.put(FORWARDER, firstReq);
return toscaReqMap;
}
/**
* @todo handle errors.
*/
private static String fetchCPName(Service service, String nodeID, String cpName, CapabilityRequirementConverter capabiltyRequirementConvertor, Map<String, Component> originComponents, ToscaOperationFacade toscaOperationFacade) {
Optional<ComponentInstance> componentInstance = service.getComponentInstanceByName(nodeID);
ComponentInstance componentInstanceVal = componentInstance.get();
String name = componentInstanceVal.getNormalizedName();
Component component = originComponents.get(componentInstanceVal.getComponentUid());
if(componentInstanceVal.getIsProxy()){
component = originComponents.get(componentInstanceVal.getSourceModelUid());
if (component == null) {
component = toscaOperationFacade.getToscaFullElement(componentInstanceVal.getSourceModelUid()).left().value();
}
}
CapabilityDefinition capability = componentInstanceVal.getCapabilities().values().stream().flatMap(Collection::stream)
.filter(capabilityDefinition -> capabilityDefinition.getName().equals(cpName)).findAny().get();
List<String> path = capability.getPath();
List<String> reducedPath = new ArrayList<>(path);
reducedPath.remove(reducedPath.size() - 1);
Either<String, Boolean> stringBooleanEither = capabiltyRequirementConvertor.buildSubstitutedName(originComponents, component, reducedPath, capability.getName(), null);
return name + "." + stringBooleanEither.left().value();
}
}
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