import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NO_TIMESTAMP;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.stream.Collectors;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.api.CpsDataService;
+import org.onap.cps.ncmp.api.impl.utils.DataNodeHelper;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
+import org.onap.cps.spi.FetchDescendantsOption;
+import org.onap.cps.spi.model.DataNode;
import org.onap.cps.utils.JsonObjectMapper;
import org.springframework.stereotype.Component;
private static final String SUBSCRIPTION_DATASPACE_NAME = "NCMP-Admin";
private static final String SUBSCRIPTION_ANCHOR_NAME = "AVC-Subscriptions";
private static final String SUBSCRIPTION_REGISTRY_PARENT = "/subscription-registry";
-
private final JsonObjectMapper jsonObjectMapper;
private final CpsDataService cpsDataService;
@Override
public void saveSubscriptionEvent(final YangModelSubscriptionEvent yangModelSubscriptionEvent) {
- final String subscriptionEventJsonData =
- createSubscriptionEventJsonData(jsonObjectMapper.asJsonString(yangModelSubscriptionEvent));
+ final String clientId = yangModelSubscriptionEvent.getClientId();
+ final String subscriptionName = yangModelSubscriptionEvent.getSubscriptionName();
+
+ final Collection<DataNode> dataNodes = cpsDataService.getDataNodes(SUBSCRIPTION_DATASPACE_NAME,
+ SUBSCRIPTION_ANCHOR_NAME, SUBSCRIPTION_REGISTRY_PARENT, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
+
+ if (isSubscriptionRegistryEmptyOrNonExist(dataNodes, clientId, subscriptionName)) {
+ saveSubscriptionEventYangModel(createSubscriptionEventJsonData(
+ jsonObjectMapper.asJsonString(yangModelSubscriptionEvent)));
+ } else {
+ findDeltaCmHandlesAddOrUpdateInDatabase(yangModelSubscriptionEvent, clientId, subscriptionName, dataNodes);
+ }
+ }
+
+ private void findDeltaCmHandlesAddOrUpdateInDatabase(final YangModelSubscriptionEvent yangModelSubscriptionEvent,
+ final String clientId, final String subscriptionName,
+ final Collection<DataNode> dataNodes) {
+ final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMapNew =
+ extractCmHandleFromYangModelAsMap(yangModelSubscriptionEvent);
+ final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMapOriginal =
+ DataNodeHelper.cmHandleIdToStatusAndDetailsAsMapFromDataNode(dataNodes);
+
+ final Map<String, Map<String, String>> newTargetCmHandles =
+ mapDifference(cmHandleIdToStatusAndDetailsAsMapNew,
+ cmHandleIdToStatusAndDetailsAsMapOriginal);
+ traverseCmHandleList(newTargetCmHandles, clientId, subscriptionName, true);
+
+ final Map<String, Map<String, String>> existingTargetCmHandles =
+ mapDifference(cmHandleIdToStatusAndDetailsAsMapNew, newTargetCmHandles);
+ traverseCmHandleList(existingTargetCmHandles, clientId, subscriptionName, false);
+ }
+
+ private static Map<String, Map<String, String>> extractCmHandleFromYangModelAsMap(
+ final YangModelSubscriptionEvent yangModelSubscriptionEvent) {
+ return yangModelSubscriptionEvent.getPredicates().getTargetCmHandles()
+ .stream().collect(
+ HashMap<String, Map<String, String>>::new,
+ (result, cmHandle) -> {
+ final String cmHandleId = cmHandle.getCmHandleId();
+ final SubscriptionStatus status = cmHandle.getStatus();
+ final String details = cmHandle.getDetails();
+
+ if (cmHandleId != null && status != null) {
+ result.put(cmHandleId, new HashMap<>());
+ result.get(cmHandleId).put("status", status.toString());
+ result.get(cmHandleId).put("details", details == null ? "" : details);
+ }
+ },
+ HashMap::putAll
+ );
+ }
+
+ private void traverseCmHandleList(final Map<String, Map<String, String>> cmHandleMap,
+ final String clientId,
+ final String subscriptionName,
+ final boolean isAddListElementOperation) {
+ final List<YangModelSubscriptionEvent.TargetCmHandle> cmHandleList = targetCmHandlesAsList(cmHandleMap);
+ for (final YangModelSubscriptionEvent.TargetCmHandle targetCmHandle : cmHandleList) {
+ final String targetCmHandleAsJson =
+ createTargetCmHandleJsonData(jsonObjectMapper.asJsonString(targetCmHandle));
+ addOrReplaceCmHandlePredicateListElement(targetCmHandleAsJson, clientId, subscriptionName,
+ isAddListElementOperation);
+ }
+ }
+
+ private boolean isSubscriptionRegistryEmptyOrNonExist(final Collection<DataNode> dataNodes,
+ final String clientId, final String subscriptionName) {
+ final Optional<DataNode> dataNodeFirst = dataNodes.stream().findFirst();
+ return ((dataNodeFirst.isPresent() && dataNodeFirst.get().getChildDataNodes().isEmpty())
+ || getCmHandlesForSubscriptionEvent(clientId, subscriptionName).isEmpty());
+ }
+
+ private void addOrReplaceCmHandlePredicateListElement(final String targetCmHandleAsJson,
+ final String clientId,
+ final String subscriptionName,
+ final boolean isAddListElementOperation) {
+ if (isAddListElementOperation) {
+ log.info("targetCmHandleAsJson to be added into DB {}", targetCmHandleAsJson);
+ cpsDataService.saveListElements(SUBSCRIPTION_DATASPACE_NAME,
+ SUBSCRIPTION_ANCHOR_NAME, createCmHandleXpathPredicates(clientId, subscriptionName),
+ targetCmHandleAsJson, NO_TIMESTAMP);
+ } else {
+ log.info("targetCmHandleAsJson to be updated into DB {}", targetCmHandleAsJson);
+ cpsDataService.updateNodeLeaves(SUBSCRIPTION_DATASPACE_NAME,
+ SUBSCRIPTION_ANCHOR_NAME, createCmHandleXpathPredicates(clientId, subscriptionName),
+ targetCmHandleAsJson, NO_TIMESTAMP);
+ }
+ }
+
+ private void saveSubscriptionEventYangModel(final String subscriptionEventJsonData) {
+ log.info("SubscriptionEventJsonData to be saved into DB {}", subscriptionEventJsonData);
cpsDataService.saveListElements(SUBSCRIPTION_DATASPACE_NAME, SUBSCRIPTION_ANCHOR_NAME,
- SUBSCRIPTION_REGISTRY_PARENT, subscriptionEventJsonData, NO_TIMESTAMP);
+ SUBSCRIPTION_REGISTRY_PARENT, subscriptionEventJsonData, NO_TIMESTAMP);
+ }
+
+ @Override
+ public Collection<DataNode> getDataNodesForSubscriptionEvent() {
+ return cpsDataService.getDataNodes(SUBSCRIPTION_DATASPACE_NAME,
+ SUBSCRIPTION_ANCHOR_NAME, SUBSCRIPTION_REGISTRY_PARENT,
+ FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
+ }
+
+ @Override
+ public Collection<DataNode> getCmHandlesForSubscriptionEvent(final String clientId, final String subscriptionName) {
+ return cpsDataService.getDataNodesForMultipleXpaths(SUBSCRIPTION_DATASPACE_NAME,
+ SUBSCRIPTION_ANCHOR_NAME, Arrays.asList(createCmHandleXpath(clientId, subscriptionName)),
+ FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
+ }
+
+ private static List<YangModelSubscriptionEvent.TargetCmHandle> targetCmHandlesAsList(
+ final Map<String, Map<String, String>> newCmHandles) {
+ return newCmHandles.entrySet().stream().map(entry -> {
+ final String cmHandleId = entry.getKey();
+ final Map<String, String> statusAndDetailsMap = entry.getValue();
+ final String status = statusAndDetailsMap.get("status");
+ final String details = statusAndDetailsMap.get("details");
+ return new YangModelSubscriptionEvent.TargetCmHandle(cmHandleId,
+ SubscriptionStatus.fromString(status), details);
+ }).collect(Collectors.toList());
}
private static String createSubscriptionEventJsonData(final String yangModelSubscriptionAsJson) {
return "{\"subscription\":[" + yangModelSubscriptionAsJson + "]}";
}
+
+ private static String createTargetCmHandleJsonData(final String targetCmHandleAsJson) {
+ return "{\"targetCmHandles\":[" + targetCmHandleAsJson + "]}";
+ }
+
+ private static String createCmHandleXpathPredicates(final String clientId, final String subscriptionName) {
+ return "/subscription-registry/subscription[@clientID='" + clientId
+ + "' and @subscriptionName='" + subscriptionName + "']/predicates";
+ }
+
+ private static String createCmHandleXpath(final String clientId, final String subscriptionName) {
+ return "/subscription-registry/subscription[@clientID='" + clientId
+ + "' and @subscriptionName='" + subscriptionName + "']";
+ }
+
+ private static <K, L, M> Map<K, Map<L, M>> mapDifference(final Map<K, Map<L, M>> left,
+ final Map<K, Map<L, M>> right) {
+ final Map<K, Map<L, M>> difference = new HashMap<>();
+ difference.putAll(left);
+ difference.putAll(right);
+ difference.entrySet().removeAll(right.entrySet());
+ return difference;
+ }
}
Code Review / cps.git / blobdiff