2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021-2024 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.acm.participant.intermediary.handler;
25 import io.micrometer.core.annotation.Timed;
26 import java.util.ArrayList;
27 import java.util.List;
28 import lombok.RequiredArgsConstructor;
29 import org.onap.policy.clamp.acm.participant.intermediary.comm.ParticipantMessagePublisher;
30 import org.onap.policy.clamp.models.acm.concepts.AcTypeState;
31 import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionElementDefinition;
32 import org.onap.policy.clamp.models.acm.concepts.ParticipantState;
33 import org.onap.policy.clamp.models.acm.messages.kafka.participant.AutomationCompositionDeploy;
34 import org.onap.policy.clamp.models.acm.messages.kafka.participant.AutomationCompositionMigration;
35 import org.onap.policy.clamp.models.acm.messages.kafka.participant.AutomationCompositionStateChange;
36 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantAckMessage;
37 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantDeregister;
38 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantDeregisterAck;
39 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantMessage;
40 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantPrime;
41 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantRegister;
42 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantRegisterAck;
43 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantRestart;
44 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantStatus;
45 import org.onap.policy.clamp.models.acm.messages.kafka.participant.ParticipantStatusReq;
46 import org.onap.policy.clamp.models.acm.messages.kafka.participant.PropertiesUpdate;
47 import org.slf4j.Logger;
48 import org.slf4j.LoggerFactory;
49 import org.springframework.stereotype.Component;
52 * This class is responsible for managing the state of a participant.
55 @RequiredArgsConstructor
56 public class ParticipantHandler {
57 private static final Logger LOGGER = LoggerFactory.getLogger(ParticipantHandler.class);
59 private final AutomationCompositionHandler automationCompositionHandler;
60 private final ParticipantMessagePublisher publisher;
61 private final CacheProvider cacheProvider;
64 * Method which handles a participant health check event from clamp.
66 * @param participantStatusReqMsg participant participantStatusReq message
68 @Timed(value = "listener.participant_status_req", description = "PARTICIPANT_STATUS_REQ messages received")
69 public void handleParticipantStatusReq(final ParticipantStatusReq participantStatusReqMsg) {
70 publisher.sendParticipantStatus(makeHeartbeat());
74 * Handle a automation composition update message.
76 * @param updateMsg the update message
79 value = "listener.automation_composition_update",
80 description = "AUTOMATION_COMPOSITION_UPDATE messages received")
81 public void handleAutomationCompositionDeploy(AutomationCompositionDeploy updateMsg) {
82 automationCompositionHandler.handleAutomationCompositionDeploy(updateMsg);
86 * Handle a automation composition state change message.
88 * @param stateChangeMsg the state change message
91 value = "listener.automation_composition_state_change",
92 description = "AUTOMATION_COMPOSITION_STATE_CHANGE messages received")
93 public void handleAutomationCompositionStateChange(AutomationCompositionStateChange stateChangeMsg) {
94 automationCompositionHandler.handleAutomationCompositionStateChange(stateChangeMsg);
98 * Handle a automation composition migration message.
100 * @param migrationMsg the migration message
103 value = "listener.automation_composition_migration",
104 description = "AUTOMATION_COMPOSITION_MIGRATION messages received")
105 public void handleAutomationCompositionMigration(AutomationCompositionMigration migrationMsg) {
106 automationCompositionHandler.handleAutomationCompositionMigration(migrationMsg);
110 * Handle a automation composition property update message.
112 * @param propertyUpdateMsg the property update message
114 @Timed(value = "listener.properties_update", description = "PROPERTIES_UPDATE message received")
115 public void handleAcPropertyUpdate(PropertiesUpdate propertyUpdateMsg) {
116 automationCompositionHandler.handleAcPropertyUpdate(propertyUpdateMsg);
120 * Check if a participant message applies to this participant handler.
122 * @param participantMsg the message to check
123 * @return true if it applies, false otherwise
125 public boolean appliesTo(ParticipantMessage participantMsg) {
126 return participantMsg.appliesTo(cacheProvider.getParticipantId());
130 * Check if a participant message applies to this participant handler.
132 * @param participantMsg the message to check
133 * @return true if it applies, false otherwise
135 public boolean appliesTo(ParticipantAckMessage participantMsg) {
136 return participantMsg.appliesTo(cacheProvider.getParticipantId());
140 * Method to send ParticipantRegister message to automation composition runtime.
142 public void sendParticipantRegister() {
143 var participantRegister = new ParticipantRegister();
144 participantRegister.setParticipantId(cacheProvider.getParticipantId());
145 participantRegister.setParticipantSupportedElementType(cacheProvider.getSupportedAcElementTypes());
147 publisher.sendParticipantRegister(participantRegister);
151 * Handle a participantRegister Ack message.
153 * @param participantRegisterAckMsg the participantRegisterAck message
155 @Timed(value = "listener.participant_register_ack", description = "PARTICIPANT_REGISTER_ACK messages received")
156 public void handleParticipantRegisterAck(ParticipantRegisterAck participantRegisterAckMsg) {
157 LOGGER.debug("ParticipantRegisterAck message received as responseTo {}",
158 participantRegisterAckMsg.getResponseTo());
159 publisher.sendParticipantStatus(makeHeartbeat());
163 * Method to send ParticipantDeregister message to automation composition runtime.
165 public void sendParticipantDeregister() {
166 var participantDeregister = new ParticipantDeregister();
167 participantDeregister.setParticipantId(cacheProvider.getParticipantId());
168 publisher.sendParticipantDeregister(participantDeregister);
172 * Handle a participantDeregister Ack message.
174 * @param participantDeregisterAckMsg the participantDeregisterAck message
176 @Timed(value = "listener.participant_deregister_ack", description = "PARTICIPANT_DEREGISTER_ACK messages received")
177 public void handleParticipantDeregisterAck(ParticipantDeregisterAck participantDeregisterAckMsg) {
178 LOGGER.debug("ParticipantDeregisterAck message received as responseTo {}",
179 participantDeregisterAckMsg.getResponseTo());
183 * Handle a ParticipantPrime message.
185 * @param participantPrimeMsg the ParticipantPrime message
187 @Timed(value = "listener.participant_prime", description = "PARTICIPANT_PRIME messages received")
188 public void handleParticipantPrime(ParticipantPrime participantPrimeMsg) {
189 LOGGER.debug("ParticipantPrime message received for participantId {}", participantPrimeMsg.getParticipantId());
191 if (!participantPrimeMsg.getParticipantDefinitionUpdates().isEmpty()) {
193 List<AutomationCompositionElementDefinition> list = new ArrayList<>();
194 for (var participantDefinition : participantPrimeMsg.getParticipantDefinitionUpdates()) {
195 if (participantDefinition.getParticipantId().equals(cacheProvider.getParticipantId())) {
196 list.addAll(participantDefinition.getAutomationCompositionElementDefinitionList());
199 cacheProvider.addElementDefinition(participantPrimeMsg.getCompositionId(), list);
200 automationCompositionHandler.prime(participantPrimeMsg.getMessageId(),
201 participantPrimeMsg.getCompositionId(), list);
204 automationCompositionHandler.deprime(participantPrimeMsg.getMessageId(),
205 participantPrimeMsg.getCompositionId());
210 * Handle a ParticipantRestart message.
212 * @param participantRestartMsg the participantRestart message
214 @Timed(value = "listener.participant_restart", description = "PARTICIPANT_RESTART messages received")
215 public void handleParticipantRestart(ParticipantRestart participantRestartMsg) {
216 LOGGER.debug("ParticipantRestart message received for participantId {}",
217 participantRestartMsg.getParticipantId());
218 List<AutomationCompositionElementDefinition> list = new ArrayList<>();
219 for (var participantDefinition : participantRestartMsg.getParticipantDefinitionUpdates()) {
220 list.addAll(participantDefinition.getAutomationCompositionElementDefinitionList());
222 if (!AcTypeState.COMMISSIONED.equals(participantRestartMsg.getState())) {
223 cacheProvider.addElementDefinition(participantRestartMsg.getCompositionId(), list);
225 automationCompositionHandler.restarted(participantRestartMsg.getMessageId(),
226 participantRestartMsg.getCompositionId(), list, participantRestartMsg.getState(),
227 participantRestartMsg.getAutomationcompositionList());
231 * Dispatch a heartbeat for this participant.
233 public void sendHeartbeat() {
234 if (publisher.isActive()) {
235 publisher.sendHeartbeat(makeHeartbeat());
240 * Method to send heartbeat to automation composition runtime.
242 private ParticipantStatus makeHeartbeat() {
243 var heartbeat = new ParticipantStatus();
244 heartbeat.setParticipantId(cacheProvider.getParticipantId());
245 heartbeat.setState(ParticipantState.ON_LINE);
246 heartbeat.setParticipantSupportedElementType(cacheProvider.getSupportedAcElementTypes());