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;
29 import lombok.AllArgsConstructor;
30 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElementDefinition;
31 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantDefinition;
32 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantUpdate;
33 import org.onap.policy.common.utils.coder.Coder;
34 import org.onap.policy.common.utils.coder.CoderException;
35 import org.onap.policy.common.utils.coder.StandardCoder;
36 import org.onap.policy.models.base.PfModelException;
37 import org.onap.policy.models.provider.PolicyModelsProvider;
38 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
39 import org.onap.policy.models.tosca.authorative.concepts.ToscaNodeTemplate;
40 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
43 import org.springframework.stereotype.Component;
46 * This class is used to send ParticipantUpdate messages to participants on DMaaP.
50 public class ParticipantUpdatePublisher extends AbstractParticipantPublisher<ParticipantUpdate> {
52 private static final Logger LOGGER = LoggerFactory.getLogger(ParticipantUpdatePublisher.class);
53 private static final String CONTROL_LOOP_ELEMENT = "org.onap.policy.clamp.controlloop.ControlLoopElement";
54 private static final Coder CODER = new StandardCoder();
55 private final PolicyModelsProvider modelsProvider;
58 * Send ParticipantUpdate to Participant.
60 * @param participantId the participant Id
61 * @param participantType the participant Type
63 public void send(ToscaConceptIdentifier participantId, ToscaConceptIdentifier participantType,
64 boolean commissionFlag) {
65 var message = new ParticipantUpdate();
66 message.setParticipantId(participantId);
67 message.setParticipantType(participantType);
68 message.setTimestamp(Instant.now());
70 ToscaServiceTemplate toscaServiceTemplate;
72 toscaServiceTemplate = modelsProvider.getServiceTemplateList(null, null).get(0);
73 } catch (PfModelException pfme) {
74 LOGGER.warn("Get of tosca service template failed, cannot send participantupdate", pfme);
78 List<ParticipantDefinition> participantDefinitionUpdates = new ArrayList<>();
79 for (Map.Entry<String, ToscaNodeTemplate> toscaInputEntry :
80 toscaServiceTemplate.getToscaTopologyTemplate().getNodeTemplates().entrySet()) {
81 if (toscaInputEntry.getValue().getType().contains(CONTROL_LOOP_ELEMENT)) {
82 ToscaConceptIdentifier clParticipantId;
84 clParticipantId = CODER.decode(
85 toscaInputEntry.getValue().getProperties().get("participant_id").toString(),
86 ToscaConceptIdentifier.class);
87 } catch (CoderException e) {
88 throw new RuntimeException("cannot get ParticipantId from toscaNodeTemplate", e);
90 prepareParticipantDefinitionUpdate(clParticipantId, toscaInputEntry.getKey(),
91 toscaInputEntry.getValue(), participantDefinitionUpdates);
96 // Commission the controlloop but sending participantdefinitions to participants
97 message.setParticipantDefinitionUpdates(participantDefinitionUpdates);
98 message.setToscaServiceTemplate(toscaServiceTemplate);
100 // DeCommission the controlloop but deleting participantdefinitions on participants
101 message.setParticipantDefinitionUpdates(null);
102 message.setToscaServiceTemplate(null);
104 LOGGER.debug("Participant Update sent {}", message);
108 private void prepareParticipantDefinitionUpdate(ToscaConceptIdentifier clParticipantId, String entryKey,
109 ToscaNodeTemplate entryValue, List<ParticipantDefinition> participantDefinitionUpdates) {
111 var clDefinition = new ControlLoopElementDefinition();
112 clDefinition.setClElementDefinitionId(new ToscaConceptIdentifier(
113 entryKey, entryValue.getVersion()));
114 clDefinition.setControlLoopElementToscaNodeTemplate(entryValue);
115 List<ControlLoopElementDefinition> controlLoopElementDefinitionList = new ArrayList<>();
117 if (participantDefinitionUpdates.isEmpty()) {
118 participantDefinitionUpdates.add(getParticipantDefinition(clDefinition, clParticipantId,
119 controlLoopElementDefinitionList));
121 var participantExists = false;
122 for (ParticipantDefinition participantDefinitionUpdate : participantDefinitionUpdates) {
123 if (participantDefinitionUpdate.getParticipantId().equals(clParticipantId)) {
124 participantDefinitionUpdate.getControlLoopElementDefinitionList().add(clDefinition);
125 participantExists = true;
128 if (!participantExists) {
129 participantDefinitionUpdates.add(getParticipantDefinition(clDefinition, clParticipantId,
130 controlLoopElementDefinitionList));
135 private ParticipantDefinition getParticipantDefinition(ControlLoopElementDefinition clDefinition,
136 ToscaConceptIdentifier clParticipantId,
137 List<ControlLoopElementDefinition> controlLoopElementDefinitionList) {
138 var participantDefinition = new ParticipantDefinition();
139 participantDefinition.setParticipantId(clParticipantId);
140 controlLoopElementDefinitionList.add(clDefinition);
141 participantDefinition.setControlLoopElementDefinitionList(controlLoopElementDefinitionList);
142 return participantDefinition;