2 * ============LICENSE_START=======================================================
3 * Copyright (c) 2021 Bell Canada.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.cps.notification;
24 import java.net.URISyntaxException;
25 import java.time.OffsetDateTime;
26 import java.time.format.DateTimeFormatter;
27 import java.util.UUID;
28 import org.onap.cps.api.CpsAdminService;
29 import org.onap.cps.api.CpsDataService;
30 import org.onap.cps.event.model.Content;
31 import org.onap.cps.event.model.CpsDataUpdatedEvent;
32 import org.onap.cps.event.model.Data;
33 import org.onap.cps.spi.FetchDescendantsOption;
34 import org.onap.cps.spi.model.Anchor;
35 import org.onap.cps.spi.model.DataNode;
36 import org.onap.cps.utils.DataMapUtils;
37 import org.springframework.stereotype.Component;
40 public class CpsDataUpdatedEventFactory {
42 private static final URI EVENT_SCHEMA;
43 private static final URI EVENT_SOURCE;
44 private static final String EVENT_TYPE = "org.onap.cps.data-updated-event";
45 private static final DateTimeFormatter DATE_TIME_FORMATTER =
46 DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
50 EVENT_SCHEMA = new URI("urn:cps:org.onap.cps:data-updated-event-schema:v1");
51 EVENT_SOURCE = new URI("urn:cps:org.onap.cps");
52 } catch (final URISyntaxException e) {
53 // As it is fixed string, I don't expect to see this error
54 throw new IllegalArgumentException(e);
58 private final CpsDataService cpsDataService;
59 private final CpsAdminService cpsAdminService;
61 public CpsDataUpdatedEventFactory(final CpsDataService cpsDataService, final CpsAdminService cpsAdminService) {
62 this.cpsDataService = cpsDataService;
63 this.cpsAdminService = cpsAdminService;
67 * Generates CPS Data Updated event. If observedTimestamp is not provided, then current timestamp is used.
69 * @param dataspaceName dataspaceName
70 * @param anchorName anchorName
71 * @param observedTimestamp observedTimestamp
72 * @return CpsDataUpdatedEvent
74 public CpsDataUpdatedEvent createCpsDataUpdatedEvent(final String dataspaceName, final String anchorName,
75 final OffsetDateTime observedTimestamp) {
76 final var dataNode = cpsDataService
77 .getDataNode(dataspaceName, anchorName, "/", FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
78 final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
79 return toCpsDataUpdatedEvent(anchor, dataNode, observedTimestamp);
82 private CpsDataUpdatedEvent toCpsDataUpdatedEvent(final Anchor anchor, final DataNode dataNode,
83 final OffsetDateTime observedTimestamp) {
84 final var cpsDataUpdatedEvent = new CpsDataUpdatedEvent();
85 cpsDataUpdatedEvent.withContent(createContent(anchor, dataNode, observedTimestamp));
86 cpsDataUpdatedEvent.withId(UUID.randomUUID().toString());
87 cpsDataUpdatedEvent.withSchema(EVENT_SCHEMA);
88 cpsDataUpdatedEvent.withSource(EVENT_SOURCE);
89 cpsDataUpdatedEvent.withType(EVENT_TYPE);
90 return cpsDataUpdatedEvent;
93 private Data createData(final DataNode dataNode) {
94 final var data = new Data();
95 DataMapUtils.toDataMap(dataNode).forEach(data::setAdditionalProperty);
99 private Content createContent(final Anchor anchor, final DataNode dataNode,
100 final OffsetDateTime observedTimestamp) {
101 final var content = new Content();
102 content.withAnchorName(anchor.getName());
103 content.withDataspaceName(anchor.getDataspaceName());
104 content.withSchemaSetName(anchor.getSchemaSetName());
105 content.withData(createData(dataNode));
106 content.withObservedTimestamp(
107 DATE_TIME_FORMATTER.format(observedTimestamp == null ? OffsetDateTime.now() : observedTimestamp));