2 * ============LICENSE_START=======================================================
3 * Copyright (c) 2021-2022 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.context.annotation.Lazy;
38 import org.springframework.stereotype.Component;
41 public class CpsDataUpdatedEventFactory {
43 private static final URI EVENT_SCHEMA;
44 private static final URI EVENT_SOURCE;
45 private static final String EVENT_TYPE = "org.onap.cps.data-updated-event";
46 private static final DateTimeFormatter DATE_TIME_FORMATTER =
47 DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
51 EVENT_SCHEMA = new URI("urn:cps:org.onap.cps:data-updated-event-schema:v1");
52 EVENT_SOURCE = new URI("urn:cps:org.onap.cps");
53 } catch (final URISyntaxException e) {
54 // As it is fixed string, I don't expect to see this error
55 throw new IllegalArgumentException(e);
59 private final CpsDataService cpsDataService;
60 private final CpsAdminService cpsAdminService;
62 public CpsDataUpdatedEventFactory(@Lazy final CpsDataService cpsDataService,
63 final CpsAdminService cpsAdminService) {
64 this.cpsDataService = cpsDataService;
65 this.cpsAdminService = cpsAdminService;
69 * Generates CPS Data Updated event. If observedTimestamp is not provided, then current timestamp is used.
71 * @param dataspaceName dataspaceName
72 * @param anchorName anchorName
73 * @param observedTimestamp observedTimestamp
74 * @param operation operation
75 * @return CpsDataUpdatedEvent
77 public CpsDataUpdatedEvent createCpsDataUpdatedEvent(final String dataspaceName, final String anchorName,
78 final OffsetDateTime observedTimestamp, final Operation operation) {
79 final var dataNode = cpsDataService
80 .getDataNode(dataspaceName, anchorName, "/", FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
81 final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
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) {
97 final var data = new Data();
98 DataMapUtils.toDataMap(dataNode).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.withData(createData(dataNode));
109 content.withOperation(Content.Operation.fromValue(operation.name()));
110 content.withObservedTimestamp(
111 DATE_TIME_FORMATTER.format(observedTimestamp == null ? OffsetDateTime.now() : observedTimestamp));