Sending Data Updated Event to kafka

[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
new file mode 100644 (file)
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+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Bell Canada. All rights reserved.
+ *  ================================================================================
+ *  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.notification;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.time.OffsetDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.UUID;
+import org.onap.cps.api.CpsAdminService;
+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.stereotype.Component;
+
+@Component
+class CpsDataUpdatedEventFactory {
+
+    private static final URI EVENT_SOURCE;
+    private static final String EVENT_TYPE = "org.onap.cps.data-updated-event";
+    private static final DateTimeFormatter dateTimeFormatter =
+        DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
+
+    static  {
+        try {
+            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
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+    private CpsDataService cpsDataService;
+    private CpsAdminService cpsAdminService;
+
+    public CpsDataUpdatedEventFactory(final CpsDataService cpsDataService, final CpsAdminService cpsAdminService) {
+        this.cpsDataService = cpsDataService;
+        this.cpsAdminService = cpsAdminService;
+    }
+
+    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);
+    }
+
+    private CpsDataUpdatedEvent toCpsDataUpdatedEvent(final Anchor anchor, final DataNode dataNode) {
+        final var cpsDataUpdatedEvent = new CpsDataUpdatedEvent();
+        cpsDataUpdatedEvent.withContent(createContent(anchor, dataNode));
+        cpsDataUpdatedEvent.withId(UUID.randomUUID().toString());
+        cpsDataUpdatedEvent.withSchema(Schema.URN_CPS_ORG_ONAP_CPS_DATA_UPDATED_EVENT_SCHEMA_1_1_0_SNAPSHOT);
+        cpsDataUpdatedEvent.withSource(EVENT_SOURCE);
+        cpsDataUpdatedEvent.withType(EVENT_TYPE);
+        return cpsDataUpdatedEvent;
+    }
+
+    private Data createData(final DataNode dataNode) {
+        final var data = new Data();
+        DataMapUtils.toDataMap(dataNode).forEach((key, value) -> data.setAdditionalProperty(key, value));
+        return data;
+    }
+
+    private Content createContent(final Anchor anchor, final DataNode dataNode) {
+        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()));
+        return content;
+    }
+}