diff options
Diffstat (limited to 'cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventForwarder.java')
-rw-r--r-- | cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventForwarder.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventForwarder.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventForwarder.java new file mode 100644 index 0000000000..635059bfe1 --- /dev/null +++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventForwarder.java @@ -0,0 +1,106 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2023 Nordix Foundation + * ================================================================================ + * 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. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.cps.ncmp.api.impl.event.avc; + +import java.util.Collection; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.stream.Collectors; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.onap.cps.ncmp.api.impl.event.EventsPublisher; +import org.onap.cps.ncmp.api.impl.operations.RequiredDmiService; +import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle; +import org.onap.cps.ncmp.api.inventory.InventoryPersistence; +import org.onap.cps.ncmp.event.model.SubscriptionEvent; +import org.onap.cps.spi.exceptions.OperationNotYetSupportedException; +import org.springframework.stereotype.Component; + + +@Component +@Slf4j +@RequiredArgsConstructor +public class SubscriptionEventForwarder { + + private final InventoryPersistence inventoryPersistence; + private final EventsPublisher<SubscriptionEvent> eventsPublisher; + + private static final String DMI_AVC_SUBSCRIPTION_TOPIC_PREFIX = "ncmp-dmi-cm-avc-subscription-"; + + /** + * Forward subscription event. + * + * @param subscriptionEvent the event to be forwarded + */ + public void forwardCreateSubscriptionEvent(final SubscriptionEvent subscriptionEvent) { + final List<Object> cmHandleTargets = subscriptionEvent.getEvent().getPredicates().getTargets(); + if (cmHandleTargets == null || cmHandleTargets.isEmpty() + || cmHandleTargets.stream().anyMatch(id -> ((String) id).contains("*"))) { + throw new OperationNotYetSupportedException( + "CMHandle targets are required. \"Wildcard\" operations are not yet supported"); + } + final List<String> cmHandleTargetsAsStrings = cmHandleTargets.stream().map( + Objects::toString).collect(Collectors.toList()); + final Collection<YangModelCmHandle> yangModelCmHandles = + inventoryPersistence.getYangModelCmHandles(cmHandleTargetsAsStrings); + final Map<String, Map<String, Map<String, String>>> dmiNameCmHandleMap = + organizeByDmiName(yangModelCmHandles); + dmiNameCmHandleMap.forEach((dmiName, cmHandlePropertiesMap) -> { + subscriptionEvent.getEvent().getPredicates().setTargets(Collections.singletonList(cmHandlePropertiesMap)); + final String eventKey = createEventKey(subscriptionEvent, dmiName); + eventsPublisher.publishEvent(DMI_AVC_SUBSCRIPTION_TOPIC_PREFIX + dmiName, eventKey, subscriptionEvent); + }); + } + + private Map<String, Map<String, Map<String, String>>> organizeByDmiName( + final Collection<YangModelCmHandle> yangModelCmHandles) { + final Map<String, Map<String, Map<String, String>>> dmiNameCmHandlePropertiesMap = new HashMap<>(); + yangModelCmHandles.forEach(cmHandle -> { + final String dmiName = cmHandle.resolveDmiServiceName(RequiredDmiService.DATA); + if (!dmiNameCmHandlePropertiesMap.containsKey(dmiName)) { + final Map<String, Map<String, String>> cmHandleDmiPropertiesMap = new HashMap<>(); + cmHandleDmiPropertiesMap.put(cmHandle.getId(), dmiPropertiesAsMap(cmHandle)); + dmiNameCmHandlePropertiesMap.put(cmHandle.getDmiDataServiceName(), cmHandleDmiPropertiesMap); + } else { + dmiNameCmHandlePropertiesMap.get(cmHandle.getDmiDataServiceName()) + .put(cmHandle.getId(), dmiPropertiesAsMap(cmHandle)); + } + }); + return dmiNameCmHandlePropertiesMap; + } + + private String createEventKey(final SubscriptionEvent subscriptionEvent, final String dmiName) { + return subscriptionEvent.getEvent().getSubscription().getClientID() + + "-" + + subscriptionEvent.getEvent().getSubscription().getName() + + "-" + + dmiName; + } + + public Map<String, String> dmiPropertiesAsMap(final YangModelCmHandle yangModelCmHandle) { + return yangModelCmHandle.getDmiProperties().stream().collect( + Collectors.toMap(YangModelCmHandle.Property::getName, YangModelCmHandle.Property::getValue)); + } + +} |