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package org.openecomp.sdc.be.tosca;
import fj.data.Either;
import org.openecomp.sdc.be.components.impl.exceptions.SdcResourceNotFoundException;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
import org.openecomp.sdc.be.datatypes.elements.PolicyTargetType;
import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
import org.openecomp.sdc.be.model.*;
import org.openecomp.sdc.be.model.cache.ApplicationDataTypeCache;
import org.openecomp.sdc.be.tosca.model.IToscaMetadata;
import org.openecomp.sdc.be.tosca.model.ToscaMetadata;
import org.openecomp.sdc.be.tosca.model.ToscaPolicyTemplate;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import static org.apache.commons.collections.CollectionUtils.isEmpty;
import static org.apache.commons.collections.CollectionUtils.isNotEmpty;
import static org.apache.commons.collections.MapUtils.isNotEmpty;
import static org.apache.commons.lang.StringUtils.isNotEmpty;
@Service
public class PolicyExportParserImpl implements PolicyExportParser {
private static final Logger log = Logger.getLogger(PolicyExportParserImpl.class);
private ApplicationDataTypeCache dataTypeCache;
private Map<String, DataTypeDefinition> dataTypes;
private PropertyConvertor propertyConvertor = PropertyConvertor.getInstance();
@Autowired
public PolicyExportParserImpl(ApplicationDataTypeCache dataTypeCache) {
this.dataTypeCache = dataTypeCache;
this.dataTypes = getDataTypes();
}
private Map<String, DataTypeDefinition> getDataTypes() {
Either<Map<String, DataTypeDefinition>, JanusGraphOperationStatus> dataTypesEither = dataTypeCache.getAll();
if (dataTypesEither.isRight()) {
log.error("Failed to retrieve all data types {}", dataTypesEither.right().value());
throw new SdcResourceNotFoundException();
}
return dataTypesEither.left().value();
}
@Override
public Map<String, ToscaPolicyTemplate> getPolicies(Component component) {
Map<String, ToscaPolicyTemplate> toscaPolicies = null;
Map<String, PolicyDefinition> policies = component.getPolicies();
if (isNotEmpty(policies)) {
toscaPolicies = policies.values().stream().collect(
Collectors.toMap(
PolicyDefinition::getName,
policy->getToscaPolicyTemplate(policy,component)));
log.debug("policies converted");
}
return toscaPolicies;
}
private ToscaPolicyTemplate getToscaPolicyTemplate(PolicyDefinition policyDefinition,Component component) {
String type = policyDefinition.getPolicyTypeName();
IToscaMetadata metadata = getToscaPolicyTemplateMetadata(policyDefinition);
Map<String, Object> properties = getToscaPolicyTemplateProperties(policyDefinition);
List<String> targets = getToscaPolicyTemplateTargets(
policyDefinition,component.getComponentInstances(),component.getGroups());
return new ToscaPolicyTemplate(type, metadata, properties, targets);
}
private List<String> getToscaPolicyTemplateTargets(PolicyDefinition policyDefinition,
List<ComponentInstance> componentInstances, List<GroupDefinition> groups) {
Map<PolicyTargetType, List<String>> targets = policyDefinition.getTargets();
List<String> targetNames = null;
if (targets == null || targets.isEmpty()) {
return null;
}
List<String> componentInstancesTargets = targets.get(PolicyTargetType.COMPONENT_INSTANCES);
List<String> groupTargets = targets.get(PolicyTargetType.GROUPS);
if (isNotEmpty(componentInstancesTargets) && isNotEmpty(componentInstances)) {
// get target names by Id from component instances
Map<String, String> targetNamesByIdFromComponentInstances =
getTargetNamesByIdFromComponentInstances(componentInstances);
targetNames = targetNamesLazyInstantiation(targetNames);
addTargetNames(componentInstancesTargets, targetNames, targetNamesByIdFromComponentInstances);
}
if (isNotEmpty(groupTargets) && isNotEmpty(groups)) {
// get target names by id from group definitions
Map<String, String> targetNamesByIdFromGroupDefinitions = getTargetNamesByIdFromGroupDefinitions(groups);
targetNames = targetNamesLazyInstantiation(targetNames);
addTargetNames(groupTargets, targetNames, targetNamesByIdFromGroupDefinitions);
}
return targetNames;
}
private List<String> targetNamesLazyInstantiation(List<String> targetNames) {
if (targetNames == null) {
targetNames = new ArrayList<>();
}
return targetNames;
}
private void addTargetNames(List<String> targets, List<String> targetNames,
Map<String, String> targetNamesById) {
if (!targetNamesById.isEmpty()) {
for (String id : targets) {
String name = targetNamesById.get(id);
if (name != null) {
targetNames.add(name);
}
}
}
}
private Map<String, String> getTargetNamesByIdFromGroupDefinitions(List<GroupDefinition> groups) {
return groups.stream().collect(
Collectors.toMap(GroupDefinition::getUniqueId, GroupDefinition::getName));
}
private Map<String, String> getTargetNamesByIdFromComponentInstances(List<ComponentInstance> componentInstances) {
return componentInstances.stream().collect(
Collectors.toMap(ComponentInstance::getUniqueId,ComponentInstance::getName));
}
private Map<String, Object> getToscaPolicyTemplateProperties(PolicyDefinition policyDefinition) {
List<PropertyDataDefinition> tempProperties = policyDefinition.getProperties();
if (isEmpty(tempProperties)) {
return null;
}
Map<String, Object> props = new HashMap<>();
tempProperties.forEach(input ->
propertyConvertor.convertAndAddValue(dataTypes, props, input, getPropertyValue(input))
);
if (props.isEmpty()) {
return null;
} else {
return props;
}
}
private Supplier<String> getPropertyValue(PropertyDataDefinition propertyDataDefinition) {
return () -> {
if (isNotEmpty(propertyDataDefinition.getValue())) {
return propertyDataDefinition.getValue();
} else {
return propertyDataDefinition.getDefaultValue();
}
};
}
private IToscaMetadata getToscaPolicyTemplateMetadata(PolicyDefinition policyDefinition) {
IToscaMetadata metadata = new ToscaMetadata();
metadata.setInvariantUUID(policyDefinition.getInvariantUUID());
metadata.setUUID(policyDefinition.getPolicyUUID());
metadata.setName(policyDefinition.getName());
metadata.setVersion(policyDefinition.getVersion());
return metadata;
}
}
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