2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021 Nordix Foundation.
4 * ================================================================================
5 * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
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.policy.clamp.controlloop.runtime.supervision.comm;
25 import java.time.Instant;
26 import java.util.ArrayList;
27 import java.util.List;
28 import lombok.AllArgsConstructor;
29 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElementDefinition;
30 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantDefinition;
31 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantUtils;
32 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantUpdate;
33 import org.onap.policy.models.base.PfModelException;
34 import org.onap.policy.models.provider.PolicyModelsProvider;
35 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
36 import org.onap.policy.models.tosca.authorative.concepts.ToscaNodeTemplate;
37 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
40 import org.springframework.stereotype.Component;
43 * This class is used to send ParticipantUpdate messages to participants on DMaaP.
47 public class ParticipantUpdatePublisher extends AbstractParticipantPublisher<ParticipantUpdate> {
49 private static final Logger LOGGER = LoggerFactory.getLogger(ParticipantUpdatePublisher.class);
51 private final PolicyModelsProvider modelsProvider;
54 * Send ParticipantUpdate to Participant.
56 * @param participantId the participant Id
57 * @param participantType the participant Type
59 public void send(ToscaConceptIdentifier participantId, ToscaConceptIdentifier participantType,
60 boolean commissionFlag) {
61 var message = new ParticipantUpdate();
62 message.setParticipantId(participantId);
63 message.setParticipantType(participantType);
64 message.setTimestamp(Instant.now());
66 ToscaServiceTemplate toscaServiceTemplate = null;
68 var list = modelsProvider.getServiceTemplateList(null, null);
69 if (!list.isEmpty()) {
70 toscaServiceTemplate = list.get(0);
72 } catch (PfModelException pfme) {
73 LOGGER.warn("Get of tosca service template failed, cannot send participantupdate", pfme);
77 List<ParticipantDefinition> participantDefinitionUpdates = new ArrayList<>();
78 if (toscaServiceTemplate != null) {
79 for (var toscaInputEntry : toscaServiceTemplate.getToscaTopologyTemplate().getNodeTemplates().entrySet()) {
80 if (ParticipantUtils.checkIfNodeTemplateIsControlLoopElement(toscaInputEntry.getValue(),
81 toscaServiceTemplate)) {
82 var clParticipantType =
83 ParticipantUtils.findParticipantType(toscaInputEntry.getValue().getProperties());
84 prepareParticipantDefinitionUpdate(clParticipantType, toscaInputEntry.getKey(),
85 toscaInputEntry.getValue(), participantDefinitionUpdates);
91 // Commission the controlloop but sending participantdefinitions to participants
92 message.setParticipantDefinitionUpdates(participantDefinitionUpdates);
94 // DeCommission the controlloop but deleting participantdefinitions on participants
95 message.setParticipantDefinitionUpdates(null);
97 LOGGER.debug("Participant Update sent {}", message);
101 private void prepareParticipantDefinitionUpdate(ToscaConceptIdentifier clParticipantType, String entryKey,
102 ToscaNodeTemplate entryValue, List<ParticipantDefinition> participantDefinitionUpdates) {
104 var clDefinition = new ControlLoopElementDefinition();
105 clDefinition.setClElementDefinitionId(new ToscaConceptIdentifier(entryKey, entryValue.getVersion()));
106 clDefinition.setControlLoopElementToscaNodeTemplate(entryValue);
107 List<ControlLoopElementDefinition> controlLoopElementDefinitionList = new ArrayList<>();
109 if (participantDefinitionUpdates.isEmpty()) {
110 participantDefinitionUpdates
111 .add(getParticipantDefinition(clDefinition, clParticipantType, controlLoopElementDefinitionList));
113 var participantExists = false;
114 for (ParticipantDefinition participantDefinitionUpdate : participantDefinitionUpdates) {
115 if (participantDefinitionUpdate.getParticipantType().equals(clParticipantType)) {
116 participantDefinitionUpdate.getControlLoopElementDefinitionList().add(clDefinition);
117 participantExists = true;
120 if (!participantExists) {
121 participantDefinitionUpdates.add(
122 getParticipantDefinition(clDefinition, clParticipantType, controlLoopElementDefinitionList));
127 private ParticipantDefinition getParticipantDefinition(ControlLoopElementDefinition clDefinition,
128 ToscaConceptIdentifier clParticipantType,
129 List<ControlLoopElementDefinition> controlLoopElementDefinitionList) {
130 var participantDefinition = new ParticipantDefinition();
131 participantDefinition.setParticipantType(clParticipantType);
132 controlLoopElementDefinitionList.add(clDefinition);
133 participantDefinition.setControlLoopElementDefinitionList(controlLoopElementDefinitionList);
134 return participantDefinition;