CloudEvents support for cps-core

- Moving cloud events dependencies to the cps-service module instead of
  cps-ncmp-service
- Testware has moved and new tests also introduced
- EventsPublisher also moved

Issue-ID: CPS-2040
Change-Id: Ibafb15e7e9efbdbe1e00e2b4f0da820bbcead004
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

7 files changed, 12 insertions, 148 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/AsyncRestRequestResponseEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/AsyncRestRequestResponseEventConsumer.java
index 0044182dd..993e3d63d 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/AsyncRestRequestResponseEventConsumer.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/AsyncRestRequestResponseEventConsumer.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- * Copyright (c) 2023 Nordix Foundation.
+ * Copyright (c) 2023-2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,7 +22,7 @@ package org.onap.cps.ncmp.api.impl.async;
 
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
+import org.onap.cps.events.EventsPublisher;
 import org.onap.cps.ncmp.event.model.DmiAsyncRequestResponseEvent;
 import org.onap.cps.ncmp.event.model.NcmpAsyncRequestResponseEvent;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumer.java
index d62a09a65..9bb7fae4d 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumer.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumer.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- * Copyright (C) 2023 Nordix Foundation
+ * Copyright (C) 2023-2024 Nordix Foundation
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,7 +25,7 @@ import io.cloudevents.kafka.impl.KafkaHeaders;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
-import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
+import org.onap.cps.events.EventsPublisher;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.stereotype.Component;
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/EventsPublisher.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/EventsPublisher.java
deleted file mode 100644
index 03d440e64..000000000
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/EventsPublisher.java
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * Copyright (C) 2022-2024 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.events;
-
-import io.cloudevents.CloudEvent;
-import java.util.Map;
-import java.util.concurrent.CompletableFuture;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.producer.ProducerRecord;
-import org.apache.kafka.common.header.Headers;
-import org.apache.kafka.common.header.internals.RecordHeaders;
-import org.springframework.kafka.core.KafkaTemplate;
-import org.springframework.kafka.support.SendResult;
-import org.springframework.stereotype.Service;
-import org.springframework.util.SerializationUtils;
-
-/**
- * EventsPublisher to publish events.
- */
-
-@Slf4j
-@Service
-@RequiredArgsConstructor
-public class EventsPublisher<T> {
-
-    /**
-     * KafkaTemplate for legacy (non-cloud) events.
-     * Note: Cloud events should be used. This will be addressed as part of  https://jira.onap.org/browse/CPS-1717.
-     */
-    private final KafkaTemplate<String, T> legacyKafkaEventTemplate;
-
-    private final KafkaTemplate<String, CloudEvent> cloudEventKafkaTemplate;
-
-    /**
-     * Generic CloudEvent publisher.
-     *
-     * @param topicName valid topic name
-     * @param eventKey  message key
-     * @param event     message payload
-     */
-    public void publishCloudEvent(final String topicName, final String eventKey, final CloudEvent event) {
-        final CompletableFuture<SendResult<String, CloudEvent>> eventFuture =
-                cloudEventKafkaTemplate.send(topicName, eventKey, event);
-        eventFuture.whenComplete((result, e) -> {
-            if (e == null) {
-                log.debug("Successfully published event to topic : {} , Event : {}", result.getRecordMetadata().topic(),
-                        result.getProducerRecord().value());
-
-            } else {
-                log.error("Unable to publish event to topic : {} due to {}", topicName, e.getMessage());
-            }
-        });
-    }
-
-    /**
-     * Generic Event publisher.
-     * Note: Cloud events should be used. This will be addressed as part of  https://jira.onap.org/browse/CPS-1717.
-     *
-     * @param topicName valid topic name
-     * @param eventKey  message key
-     * @param event     message payload
-     */
-    public void publishEvent(final String topicName, final String eventKey, final T event) {
-        final CompletableFuture<SendResult<String, T>> eventFuture =
-                legacyKafkaEventTemplate.send(topicName, eventKey, event);
-        handleLegacyEventCallback(topicName, eventFuture);
-    }
-
-    /**
-     * Generic Event Publisher with headers.
-     *
-     * @param topicName    valid topic name
-     * @param eventKey     message key
-     * @param eventHeaders event headers
-     * @param event        message payload
-     */
-    public void publishEvent(final String topicName, final String eventKey, final Headers eventHeaders, final T event) {
-
-        final ProducerRecord<String, T> producerRecord =
-                new ProducerRecord<>(topicName, null, eventKey, event, eventHeaders);
-        final CompletableFuture<SendResult<String, T>> eventFuture = legacyKafkaEventTemplate.send(producerRecord);
-        handleLegacyEventCallback(topicName, eventFuture);
-    }
-
-    /**
-     * Generic Event Publisher with headers.
-     *
-     * @param topicName    valid topic name
-     * @param eventKey     message key
-     * @param eventHeaders map of event headers
-     * @param event        message payload
-     */
-    public void publishEvent(final String topicName, final String eventKey, final Map<String, Object> eventHeaders,
-            final T event) {
-
-        publishEvent(topicName, eventKey, convertToKafkaHeaders(eventHeaders), event);
-    }
-
-    private void handleLegacyEventCallback(final String topicName,
-            final CompletableFuture<SendResult<String, T>> eventFuture) {
-        eventFuture.whenComplete((result, e) -> {
-            if (e == null) {
-                log.debug("Successfully published event to topic : {} , Event : {}", result.getRecordMetadata().topic(),
-                        result.getProducerRecord().value());
-            } else {
-                log.error("Unable to publish event to topic : {} due to {}", topicName, e.getMessage());
-            }
-        });
-    }
-
-    private Headers convertToKafkaHeaders(final Map<String, Object> eventMessageHeaders) {
-        final Headers eventHeaders = new RecordHeaders();
-        eventMessageHeaders.forEach((key, value) -> eventHeaders.add(key, SerializationUtils.serialize(value)));
-        return eventHeaders;
-    }
-
-}
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avc/AvcEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avc/AvcEventConsumer.java
index 88ebd35c8..f635f1a80 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avc/AvcEventConsumer.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avc/AvcEventConsumer.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- * Copyright (c) 2023 Nordix Foundation.
+ * Copyright (c) 2023-2024 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,7 +26,7 @@ import java.util.UUID;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
-import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
+import org.onap.cps.events.EventsPublisher;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.kafka.annotation.KafkaListener;
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avc/ncmptoclient/AvcEventPublisher.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avc/ncmptoclient/AvcEventPublisher.java
index cba1f76ff..9bd111958 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avc/ncmptoclient/AvcEventPublisher.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avc/ncmptoclient/AvcEventPublisher.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- *  Copyright (C) 2023 Nordix Foundation
+ *  Copyright (C) 2023-2024 Nordix Foundation
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -25,7 +25,7 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 import lombok.RequiredArgsConstructor;
-import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
+import org.onap.cps.events.EventsPublisher;
 import org.onap.cps.ncmp.api.impl.events.NcmpCloudEventBuilder;
 import org.onap.cps.ncmp.events.avc.ncmp_to_client.Avc;
 import org.onap.cps.ncmp.events.avc.ncmp_to_client.AvcEvent;
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/lcm/LcmEventsService.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/lcm/LcmEventsService.java
index 2e1b914b1..f51b58c3e 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/lcm/LcmEventsService.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/lcm/LcmEventsService.java
@@ -1,6 +1,6 @@
 /*
  * ============LICENSE_START=======================================================
- * Copyright (C) 2022-2023 Nordix Foundation
+ * Copyright (C) 2022-2024 Nordix Foundation
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,7 +24,7 @@ import io.micrometer.core.annotation.Timed;
 import java.util.Map;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
+import org.onap.cps.events.EventsPublisher;
 import org.onap.cps.ncmp.events.lcm.v1.LcmEvent;
 import org.onap.cps.ncmp.events.lcm.v1.LcmEventHeader;
 import org.onap.cps.utils.JsonObjectMapper;
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/data/operation/ResourceDataOperationRequestUtils.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/data/operation/ResourceDataOperationRequestUtils.java
index e78f0901f..f13c842b2 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/data/operation/ResourceDataOperationRequestUtils.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/utils/data/operation/ResourceDataOperationRequestUtils.java
@@ -1,6 +1,6 @@
 /*
  *  ============LICENSE_START=======================================================
- *  Copyright (C) 2023 Nordix Foundation
+ *  Copyright (C) 2023-2024 Nordix Foundation
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -35,8 +35,8 @@ import java.util.stream.Collectors;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.events.EventsPublisher;
 import org.onap.cps.ncmp.api.NcmpResponseStatus;
-import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
 import org.onap.cps.ncmp.api.impl.inventory.CmHandleState;
 import org.onap.cps.ncmp.api.impl.operations.CmHandle;
 import org.onap.cps.ncmp.api.impl.operations.DmiDataOperation;