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package org.openecomp.sdc.generator.core.utils;
import org.openecomp.sdc.tosca.datatypes.ToscaElementTypes;
import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
import org.onap.sdc.tosca.datatypes.model.CapabilityDefinition;
import org.onap.sdc.tosca.datatypes.model.NodeTemplate;
import org.onap.sdc.tosca.datatypes.model.NodeType;
import org.onap.sdc.tosca.datatypes.model.RequirementAssignment;
import org.onap.sdc.tosca.datatypes.model.RequirementDefinition;
import org.onap.sdc.tosca.datatypes.model.ServiceTemplate;
import org.openecomp.sdc.tosca.services.DataModelUtil;
import org.openecomp.sdc.tosca.services.ToscaAnalyzerService;
import org.onap.sdc.tosca.services.ToscaExtensionYamlUtil;
import org.openecomp.sdc.tosca.services.ToscaUtil;
import org.openecomp.sdc.tosca.services.impl.ToscaAnalyzerServiceImpl;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import static org.openecomp.sdc.tosca.services.DataModelUtil.addSubstitutionNodeTypeRequirements;
/**
* The type Generator utils.
*/
public class GeneratorUtils {
private GeneratorUtils() {
// prevent instantiation
}
//TODO : Read from configuration
private static final List<String> SUPPORTED_CAPABILITIES = Arrays.asList("host", "os", "endpoint", "scalable");
private static final List<String> SUPPORTED_REQUIREMENTS = Collections.singletonList("link");
/**
* Add service template to tosca service model.
*
* @param toscaServiceModel the tosca service model
* @param serviceTemplate the service template
*/
public static void addServiceTemplateToToscaServiceModel(ToscaServiceModel toscaServiceModel,
ServiceTemplate serviceTemplate) {
String serviceTemplateFileName = ToscaUtil.getServiceTemplateFileName(serviceTemplate);
Map<String, ServiceTemplate> serviceTemplates = toscaServiceModel.getServiceTemplates();
if (!serviceTemplates.containsKey(serviceTemplateFileName)) {
ToscaUtil.addServiceTemplateToMapWithKeyFileName(serviceTemplates, serviceTemplate);
}
toscaServiceModel.setServiceTemplates(serviceTemplates);
}
/**
* Gets substitution node type exposed connection points.
*
* @param substitutionNodeType the substitution node type
* @param substitutionServiceTemplate the substitution service template
* @param toscaServiceModel the tosca service model
* @return the substitution node type exposed connection points
*/
public static Map<String, Map<String, List<String>>>
getSubstitutionNodeTypeExposedConnectionPoints(NodeType substitutionNodeType,
ServiceTemplate substitutionServiceTemplate,
ToscaServiceModel toscaServiceModel) {
Map<String, NodeTemplate> nodeTemplates =
substitutionServiceTemplate.getTopology_template().getNode_templates();
String nodeTemplateId;
NodeTemplate nodeTemplate;
String nodeType;
Map<String, Map<String, List<String>>> substitutionMapping = new HashMap<>();
if (nodeTemplates == null) {
return substitutionMapping;
}
try {
Map<String, List<String>> capabilitySubstitutionMapping = new HashMap<>();
Map<String, List<String>> requirementSubstitutionMapping = new HashMap<>();
substitutionMapping.put("capability", capabilitySubstitutionMapping);
substitutionMapping.put("requirement", requirementSubstitutionMapping);
List<Map<String, RequirementDefinition>> nodeTypeRequirementsDefinition;
Map<String, RequirementAssignment> nodeTemplateRequirementsAssignment;
List<Map<String, RequirementDefinition>> exposedRequirementsDefinition;
Map<String, Map<String, RequirementAssignment>> fullFilledRequirementsDefinition =
new HashMap<>();
Map<String, CapabilityDefinition> nodeTypeCapabilitiesDefinition = new HashMap<>();
Map<String, CapabilityDefinition> exposedCapabilitiesDefinition;
ToscaAnalyzerService toscaAnalyzerService = new ToscaAnalyzerServiceImpl();
for (Map.Entry<String, NodeTemplate> entry : nodeTemplates.entrySet()) {
nodeTemplateId = entry.getKey();
nodeTemplate = entry.getValue();
nodeType = nodeTemplate.getType();
NodeType flatNodeType = (NodeType) toscaAnalyzerService
.getFlatEntity(ToscaElementTypes.NODE_TYPE, nodeType, substitutionServiceTemplate,
toscaServiceModel);
// get requirements
nodeTypeRequirementsDefinition =
getNodeTypeRequirements(flatNodeType, nodeTemplateId, substitutionServiceTemplate,
requirementSubstitutionMapping);
nodeTemplateRequirementsAssignment =
DataModelUtil.getNodeTemplateRequirements(nodeTemplate);
fullFilledRequirementsDefinition.put(nodeTemplateId, nodeTemplateRequirementsAssignment);
//set substitution node type requirements
exposedRequirementsDefinition =
toscaAnalyzerService.calculateExposedRequirements(nodeTypeRequirementsDefinition,
nodeTemplateRequirementsAssignment);
//Filter unsupported requirements
Iterator<Map<String, RequirementDefinition>> iterator =
exposedRequirementsDefinition.iterator();
while (iterator.hasNext()) {
Map<String, RequirementDefinition> requirementDefinitionMap = iterator.next();
for (Map.Entry<String, RequirementDefinition> requirementDefinitionEntry :
requirementDefinitionMap.entrySet()) {
String requirementKey = requirementDefinitionEntry.getKey();
if (!SUPPORTED_REQUIREMENTS.contains(requirementKey)) {
iterator.remove();
}
}
}
addSubstitutionNodeTypeRequirements(substitutionNodeType, exposedRequirementsDefinition,
nodeTemplateId);
//get capabilities
addNodeTypeCapabilitiesToSubMapping(nodeTypeCapabilitiesDefinition,
capabilitySubstitutionMapping, nodeType,
nodeTemplateId, substitutionServiceTemplate, toscaServiceModel);
}
exposedCapabilitiesDefinition =
toscaAnalyzerService.calculateExposedCapabilities(nodeTypeCapabilitiesDefinition,
fullFilledRequirementsDefinition);
//Filter unsupported capabilities
Iterator<Map.Entry<String, CapabilityDefinition>> iterator = exposedCapabilitiesDefinition
.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry<String, CapabilityDefinition> capabilityDefinitionEntry = iterator.next();
//Expected Capability is of the format <capabilityId>_<componentName>
String capabilityKey = capabilityDefinitionEntry.getKey().split("_")[0];
if (!SUPPORTED_CAPABILITIES.contains(capabilityKey)) {
iterator.remove();
}
}
DataModelUtil.addNodeTypeCapabilitiesDef(substitutionNodeType, exposedCapabilitiesDefinition);
} catch (Exception ex) {
return null;
}
return substitutionMapping;
}
/**
* Gets node type requirements.
*
* @param flatNodeType the flat node type
* @param templateName the template name
* @param serviceTemplate the service template
* @param requirementSubstitutionMapping the requirement substitution mapping
* @return the node type requirements
*/
public static List<Map<String, RequirementDefinition>> getNodeTypeRequirements(
NodeType flatNodeType,
String templateName,
ServiceTemplate serviceTemplate,
Map<String, List<String>> requirementSubstitutionMapping) {
List<Map<String, RequirementDefinition>> requirementList = new ArrayList<>();
List<String> requirementMapping;
if (flatNodeType.getRequirements() != null) {
for (Map<String, RequirementDefinition> requirementMap : flatNodeType.getRequirements()) {
for (Map.Entry<String, RequirementDefinition> requirementNodeEntry : requirementMap
.entrySet()) {
ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
RequirementDefinition requirementNodeEntryValue = toscaExtensionYamlUtil
.yamlToObject(toscaExtensionYamlUtil.objectToYaml(requirementNodeEntry.getValue()),
RequirementDefinition.class);
if (requirementNodeEntryValue.getOccurrences() == null) {
requirementNodeEntryValue.setOccurrences(new Object[]{1, 1});
}
Map<String, RequirementDefinition> requirementDef = new HashMap<>();
requirementDef.put(requirementNodeEntry.getKey(), requirementNodeEntryValue);
DataModelUtil.addRequirementToList(requirementList, requirementDef);
requirementMapping = new ArrayList<>();
requirementMapping.add(templateName);
requirementMapping.add(requirementNodeEntry.getKey());
requirementSubstitutionMapping
.put(requirementNodeEntry.getKey() + "_" + templateName, requirementMapping);
if (requirementNodeEntryValue.getNode() == null) {
requirementNodeEntryValue.setOccurrences(new Object[]{1, 1});
}
}
}
}
return requirementList;
}
private static void addNodeTypeCapabilitiesToSubMapping(
Map<String, CapabilityDefinition> nodeTypeCapabilitiesDefinition,
Map<String, List<String>> capabilitySubstitutionMapping, String type, String templateName,
ServiceTemplate substitutionServiceTemplate, ToscaServiceModel toscaServiceModel) {
ToscaAnalyzerService toscaAnalyzerService = new ToscaAnalyzerServiceImpl();
NodeType flatNodeType = (NodeType) toscaAnalyzerService
.getFlatEntity(ToscaElementTypes.NODE_TYPE, type, substitutionServiceTemplate,
toscaServiceModel);
String capabilityKey;
List<String> capabilityMapping;
if (flatNodeType.getCapabilities() != null) {
for (Map.Entry<String, CapabilityDefinition> capabilityNodeEntry : flatNodeType
.getCapabilities()
.entrySet()) {
capabilityKey = capabilityNodeEntry.getKey() + "_" + templateName;
nodeTypeCapabilitiesDefinition.put(capabilityKey, capabilityNodeEntry.getValue().clone());
capabilityMapping = new ArrayList<>();
capabilityMapping.add(templateName);
capabilityMapping.add(capabilityNodeEntry.getKey());
capabilitySubstitutionMapping.put(capabilityKey, capabilityMapping);
}
}
}
}
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