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-rw-r--r--src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/SubscriptionEventConsumer.java110
-rw-r--r--src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponse.java36
-rw-r--r--src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponseStatus.java27
3 files changed, 173 insertions, 0 deletions
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/SubscriptionEventConsumer.java b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/SubscriptionEventConsumer.java
new file mode 100644
index 00000000..20949797
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/SubscriptionEventConsumer.java
@@ -0,0 +1,110 @@
+/*
+ * ============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.dmi.notifications.avc;
+
+import java.util.Date;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.dmi.service.model.SubscriptionEventResponse;
+import org.onap.cps.ncmp.dmi.service.model.SubscriptionEventResponseStatus;
+import org.onap.cps.ncmp.event.model.SubscriptionEvent;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.kafka.core.KafkaTemplate;
+import org.springframework.kafka.support.KafkaHeaders;
+import org.springframework.messaging.handler.annotation.Header;
+import org.springframework.messaging.handler.annotation.Payload;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+@RequiredArgsConstructor
+public class SubscriptionEventConsumer {
+
+ @Value("${app.dmi.avc.subscription-response-topic}")
+ private String cmAvcSubscriptionResponseTopic;
+ @Value("${dmi.service.name}")
+ private String dmiName;
+ private final KafkaTemplate<String, SubscriptionEventResponse> kafkaTemplate;
+
+ /**
+ * Consume the specified event.
+ *
+ * @param subscriptionEvent the event to be consumed
+ */
+ @KafkaListener(topics = "${app.dmi.avc.subscription-topic}",
+ properties = {"spring.json.value.default.type=org.onap.cps.ncmp.event.model.SubscriptionEvent"})
+ public void consumeSubscriptionEvent(@Payload final SubscriptionEvent subscriptionEvent,
+ @Header(KafkaHeaders.RECEIVED_MESSAGE_KEY) final String eventKey,
+ @Header(KafkaHeaders.RECEIVED_TIMESTAMP) final String timeStampReceived) {
+ final Date dateAndTimeReceived = new Date(Long.parseLong(timeStampReceived));
+ final String subscriptionName = subscriptionEvent.getEvent().getSubscription().getName();
+ log.info("Subscription for SubscriptionName {} is received at {} by dmi plugin.", subscriptionName,
+ dateAndTimeReceived);
+ sendSubscriptionResponseMessage(eventKey, formSubscriptionEventResponse(subscriptionEvent));
+ }
+
+ /**
+ * Sends message to the configured topic.
+ *
+ * @param eventKey is the kafka message key
+ * @param subscriptionEventResponse is the payload of the kafka message
+ */
+ public void sendSubscriptionResponseMessage(final String eventKey,
+ final SubscriptionEventResponse subscriptionEventResponse) {
+ kafkaTemplate.send(cmAvcSubscriptionResponseTopic, eventKey, subscriptionEventResponse);
+ }
+
+ private SubscriptionEventResponse formSubscriptionEventResponse(final SubscriptionEvent subscriptionEvent) {
+ final SubscriptionEventResponse subscriptionEventResponse = new SubscriptionEventResponse();
+ subscriptionEventResponse.setClientId(subscriptionEvent.getEvent().getSubscription().getClientID());
+ subscriptionEventResponse.setSubscriptionName(subscriptionEvent.getEvent().getSubscription().getName());
+ subscriptionEventResponse.setDmiName(dmiName);
+ final List<Object> cmHandleIdToCmHandlePropertyMap = subscriptionEvent.getEvent()
+ .getPredicates()
+ .getTargets();
+ subscriptionEventResponse
+ .setCmHandleIdToStatus(populateCmHandleIdToStatus(extractCmHandleIds(cmHandleIdToCmHandlePropertyMap)));
+ return subscriptionEventResponse;
+ }
+
+ private Set<String> extractCmHandleIds(final List<Object> cmHandleIdTocmHandlePropertyMap) {
+ final Set<String> cmHandleIds = new HashSet<>();
+ for (final Object obj: cmHandleIdTocmHandlePropertyMap) {
+ final Map<String, Object> cmHandleIdToPropertiesMap = (Map<String, Object>) obj;
+ cmHandleIds.addAll(cmHandleIdToPropertiesMap.keySet());
+ }
+ return cmHandleIds;
+ }
+
+ private Map<String, SubscriptionEventResponseStatus> populateCmHandleIdToStatus(final Set<String> cmHandleIds) {
+ final Map<String, SubscriptionEventResponseStatus> result = new HashMap<>();
+ for (final String cmHandleId : cmHandleIds) {
+ result.put(cmHandleId, SubscriptionEventResponseStatus.ACCEPTED);
+ }
+ return result;
+ }
+}
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponse.java b/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponse.java
new file mode 100644
index 00000000..7666e540
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponse.java
@@ -0,0 +1,36 @@
+/*
+ * ============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.dmi.service.model;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import java.util.Map;
+import lombok.Getter;
+import lombok.Setter;
+
+@JsonInclude(JsonInclude.Include.NON_NULL)
+@Getter
+@Setter
+public class SubscriptionEventResponse {
+ private String clientId;
+ private String subscriptionName;
+ private String dmiName;
+ private Map<String, SubscriptionEventResponseStatus> cmHandleIdToStatus;
+}
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponseStatus.java b/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponseStatus.java
new file mode 100644
index 00000000..8987ddae
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponseStatus.java
@@ -0,0 +1,27 @@
+/*
+ * ============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.dmi.service.model;
+
+public enum SubscriptionEventResponseStatus {
+ ACCEPTED,
+ REJECTED,
+ PENDING
+}