Add support for delete data-node event

[cps.git] / cps-service / src / main / java / org / onap / cps / notification / CpsDataUpdatedEventFactory.java

diff --git a/cps-service/src/main/java/org/onap/cps/notification/CpsDataUpdatedEventFactory.java b/cps-service/src/main/java/org/onap/cps/notification/CpsDataUpdatedEventFactory.java
index e1473d3..e7b639d 100644 (file)
--- a/cps-service/src/main/java/org/onap/cps/notification/CpsDataUpdatedEventFactory.java
+++ b/cps-service/src/main/java/org/onap/cps/notification/CpsDataUpdatedEventFactory.java
@@ -1,18 +1,20 @@
 /*
  * ============LICENSE_START=======================================================
- * Copyright (c) 2021 Bell Canada.
+ * Copyright (c) 2021-2022 Bell Canada.
  * ================================================================================
  * 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
+ *         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=========================================================
  */
 
@@ -23,28 +25,31 @@ import java.net.URISyntaxException;
 import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.UUID;
-import org.onap.cps.api.CpsAdminService;
+import lombok.AllArgsConstructor;
 import org.onap.cps.api.CpsDataService;
 import org.onap.cps.event.model.Content;
 import org.onap.cps.event.model.CpsDataUpdatedEvent;
-import org.onap.cps.event.model.CpsDataUpdatedEvent.Schema;
 import org.onap.cps.event.model.Data;
 import org.onap.cps.spi.FetchDescendantsOption;
 import org.onap.cps.spi.model.Anchor;
 import org.onap.cps.spi.model.DataNode;
 import org.onap.cps.utils.DataMapUtils;
+import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Component;
 
 @Component
-class CpsDataUpdatedEventFactory {
+@AllArgsConstructor(onConstructor = @__(@Lazy))
+public class CpsDataUpdatedEventFactory {
 
+    private static final URI EVENT_SCHEMA;
     private static final URI EVENT_SOURCE;
     private static final String EVENT_TYPE = "org.onap.cps.data-updated-event";
-    private static final DateTimeFormatter dateTimeFormatter =
+    private static final DateTimeFormatter DATE_TIME_FORMATTER =
         DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
 
-    static  {
+    static {
         try {
+            EVENT_SCHEMA = new URI("urn:cps:org.onap.cps:data-updated-event-schema:v1");
             EVENT_SOURCE = new URI("urn:cps:org.onap.cps");
         } catch (final URISyntaxException e) {
             // As it is fixed string, I don't expect to see this error
@@ -52,26 +57,31 @@ class CpsDataUpdatedEventFactory {
         }
     }
 
-    private CpsDataService cpsDataService;
-    private CpsAdminService cpsAdminService;
-
-    public CpsDataUpdatedEventFactory(final CpsDataService cpsDataService, final CpsAdminService cpsAdminService) {
-        this.cpsDataService = cpsDataService;
-        this.cpsAdminService = cpsAdminService;
-    }
+    @Lazy
+    private final CpsDataService cpsDataService;
 
-    CpsDataUpdatedEvent createCpsDataUpdatedEvent(final String dataspaceName, final String anchorName) {
-        final var dataNode = cpsDataService
-            .getDataNode(dataspaceName, anchorName, "/", FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
-        final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
-        return toCpsDataUpdatedEvent(anchor, dataNode);
+    /**
+     * Generates CPS Data Updated event. If observedTimestamp is not provided, then current timestamp is used.
+     *
+     * @param anchor            anchor
+     * @param observedTimestamp observedTimestamp
+     * @param operation         operation
+     * @return CpsDataUpdatedEvent
+     */
+    public CpsDataUpdatedEvent createCpsDataUpdatedEvent(final Anchor anchor,
+        final OffsetDateTime observedTimestamp, final Operation operation) {
+        final var dataNode = (operation == Operation.DELETE) ? null :
+            cpsDataService.getDataNode(anchor.getDataspaceName(), anchor.getName(),
+                "/", FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
+        return toCpsDataUpdatedEvent(anchor, dataNode, observedTimestamp, operation);
     }
 
-    private CpsDataUpdatedEvent toCpsDataUpdatedEvent(final Anchor anchor, final DataNode dataNode) {
+    private CpsDataUpdatedEvent toCpsDataUpdatedEvent(final Anchor anchor, final DataNode dataNode,
+        final OffsetDateTime observedTimestamp, final Operation operation) {
         final var cpsDataUpdatedEvent = new CpsDataUpdatedEvent();
-        cpsDataUpdatedEvent.withContent(createContent(anchor, dataNode));
+        cpsDataUpdatedEvent.withContent(createContent(anchor, dataNode, observedTimestamp, operation));
         cpsDataUpdatedEvent.withId(UUID.randomUUID().toString());
-        cpsDataUpdatedEvent.withSchema(Schema.URN_CPS_ORG_ONAP_CPS_DATA_UPDATED_EVENT_SCHEMA_1_1_0_SNAPSHOT);
+        cpsDataUpdatedEvent.withSchema(EVENT_SCHEMA);
         cpsDataUpdatedEvent.withSource(EVENT_SOURCE);
         cpsDataUpdatedEvent.withType(EVENT_TYPE);
         return cpsDataUpdatedEvent;
@@ -83,13 +93,18 @@ class CpsDataUpdatedEventFactory {
         return data;
     }
 
-    private Content createContent(final Anchor anchor, final DataNode dataNode) {
+    private Content createContent(final Anchor anchor, final DataNode dataNode,
+        final OffsetDateTime observedTimestamp, final Operation operation) {
         final var content = new Content();
         content.withAnchorName(anchor.getName());
         content.withDataspaceName(anchor.getDataspaceName());
         content.withSchemaSetName(anchor.getSchemaSetName());
-        content.withData(createData(dataNode));
-        content.withObservedTimestamp(dateTimeFormatter.format(OffsetDateTime.now()));
+        content.withOperation(Content.Operation.fromValue(operation.name()));
+        content.withObservedTimestamp(
+            DATE_TIME_FORMATTER.format(observedTimestamp == null ? OffsetDateTime.now() : observedTimestamp));
+        if (dataNode != null) {
+            content.withData(createData(dataNode));
+        }
         return content;
     }
 }