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