2 * ============LICENSE_START=======================================================
3 * Copyright (c) 2021-2022 Bell Canada.
4 * Modifications Copyright (c) 2022 Nordix Foundation
5 * Modifications Copyright (C) 2023 TechMahindra Ltd.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * SPDX-License-Identifier: Apache-2.0
20 * ============LICENSE_END=========================================================
23 package org.onap.cps.notification;
26 import java.net.URISyntaxException;
27 import java.time.OffsetDateTime;
28 import java.time.format.DateTimeFormatter;
29 import java.util.UUID;
30 import lombok.AllArgsConstructor;
31 import org.onap.cps.api.CpsDataService;
32 import org.onap.cps.event.model.Content;
33 import org.onap.cps.event.model.CpsDataUpdatedEvent;
34 import org.onap.cps.event.model.Data;
35 import org.onap.cps.spi.FetchDescendantsOption;
36 import org.onap.cps.spi.model.Anchor;
37 import org.onap.cps.spi.model.DataNode;
38 import org.onap.cps.utils.DataMapUtils;
39 import org.onap.cps.utils.PrefixResolver;
40 import org.springframework.context.annotation.Lazy;
41 import org.springframework.stereotype.Component;
44 @AllArgsConstructor(onConstructor = @__(@Lazy))
45 public class CpsDataUpdatedEventFactory {
47 private static final URI EVENT_SCHEMA;
48 private static final URI EVENT_SOURCE;
49 private static final String EVENT_TYPE = "org.onap.cps.data-updated-event";
50 private static final DateTimeFormatter DATE_TIME_FORMATTER =
51 DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
55 EVENT_SCHEMA = new URI("urn:cps:org.onap.cps:data-updated-event-schema:v1");
56 EVENT_SOURCE = new URI("urn:cps:org.onap.cps");
57 } catch (final URISyntaxException e) {
58 // As it is fixed string, I don't expect to see this error
59 throw new IllegalArgumentException(e);
64 private final CpsDataService cpsDataService;
67 private final PrefixResolver prefixResolver;
70 * Generates CPS Data Updated event. If observedTimestamp is not provided, then current timestamp is used.
72 * @param anchor anchor
73 * @param observedTimestamp observedTimestamp
74 * @param operation operation
75 * @return CpsDataUpdatedEvent
77 public CpsDataUpdatedEvent createCpsDataUpdatedEvent(final Anchor anchor,
78 final OffsetDateTime observedTimestamp, final Operation operation) {
79 final var dataNode = (operation == Operation.DELETE) ? null :
80 cpsDataService.getDataNodes(anchor.getDataspaceName(), anchor.getName(),
81 "/", FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS).iterator().next();
82 return toCpsDataUpdatedEvent(anchor, dataNode, observedTimestamp, operation);
85 private CpsDataUpdatedEvent toCpsDataUpdatedEvent(final Anchor anchor, final DataNode dataNode,
86 final OffsetDateTime observedTimestamp, final Operation operation) {
87 final var cpsDataUpdatedEvent = new CpsDataUpdatedEvent();
88 cpsDataUpdatedEvent.withContent(createContent(anchor, dataNode, observedTimestamp, operation));
89 cpsDataUpdatedEvent.withId(UUID.randomUUID().toString());
90 cpsDataUpdatedEvent.withSchema(EVENT_SCHEMA);
91 cpsDataUpdatedEvent.withSource(EVENT_SOURCE);
92 cpsDataUpdatedEvent.withType(EVENT_TYPE);
93 return cpsDataUpdatedEvent;
96 private Data createData(final DataNode dataNode, final String prefix) {
97 final Data data = new Data();
98 DataMapUtils.toDataMapWithIdentifier(dataNode, prefix).forEach(data::setAdditionalProperty);
102 private Content createContent(final Anchor anchor, final DataNode dataNode,
103 final OffsetDateTime observedTimestamp, final Operation operation) {
104 final var content = new Content();
105 content.withAnchorName(anchor.getName());
106 content.withDataspaceName(anchor.getDataspaceName());
107 content.withSchemaSetName(anchor.getSchemaSetName());
108 content.withOperation(Content.Operation.fromValue(operation.name()));
109 content.withObservedTimestamp(
110 DATE_TIME_FORMATTER.format(observedTimestamp == null ? OffsetDateTime.now() : observedTimestamp));
111 if (dataNode != null) {
112 final String prefix = prefixResolver.getPrefix(anchor, dataNode.getXpath());
113 content.withData(createData(dataNode, prefix));