2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2023 Nordix Foundation.
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.policy.clamp.acm.runtime.supervision;
23 import io.micrometer.core.annotation.Timed;
24 import java.util.HashMap;
25 import java.util.List;
27 import java.util.UUID;
28 import lombok.AllArgsConstructor;
29 import org.apache.commons.collections4.MapUtils;
30 import org.onap.policy.clamp.acm.runtime.supervision.comm.ParticipantDeregisterAckPublisher;
31 import org.onap.policy.clamp.acm.runtime.supervision.comm.ParticipantRegisterAckPublisher;
32 import org.onap.policy.clamp.models.acm.concepts.Participant;
33 import org.onap.policy.clamp.models.acm.concepts.ParticipantState;
34 import org.onap.policy.clamp.models.acm.concepts.ParticipantSupportedElementType;
35 import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantDeregister;
36 import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantMessage;
37 import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantRegister;
38 import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantStatus;
39 import org.onap.policy.clamp.models.acm.persistence.provider.AutomationCompositionProvider;
40 import org.onap.policy.clamp.models.acm.persistence.provider.ParticipantProvider;
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
43 import org.springframework.stereotype.Component;
46 * This class handles supervision of participant status.
50 public class SupervisionParticipantHandler {
51 private static final Logger LOGGER = LoggerFactory.getLogger(SupervisionParticipantHandler.class);
53 private final ParticipantProvider participantProvider;
54 private final ParticipantRegisterAckPublisher participantRegisterAckPublisher;
55 private final ParticipantDeregisterAckPublisher participantDeregisterAckPublisher;
56 private final AutomationCompositionProvider automationCompositionProvider;
59 * Handle a ParticipantRegister message from a participant.
61 * @param participantRegisterMsg the ParticipantRegister message received from a participant
64 @Timed(value = "listener.participant_register", description = "PARTICIPANT_REGISTER messages received")
65 public void handleParticipantMessage(ParticipantRegister participantRegisterMsg) {
66 LOGGER.debug("Participant Register received {}", participantRegisterMsg);
67 saveParticipantStatus(participantRegisterMsg,
68 listToMap(participantRegisterMsg.getParticipantSupportedElementType()));
70 participantRegisterAckPublisher.send(participantRegisterMsg.getMessageId(),
71 participantRegisterMsg.getParticipantId());
75 * Handle a ParticipantDeregister message from a participant.
77 * @param participantDeregisterMsg the ParticipantDeregister message received from a participant
80 @Timed(value = "listener.participant_deregister", description = "PARTICIPANT_DEREGISTER messages received")
81 public void handleParticipantMessage(ParticipantDeregister participantDeregisterMsg) {
82 LOGGER.debug("Participant Deregister received {}", participantDeregisterMsg);
83 var participantOpt = participantProvider.findParticipant(participantDeregisterMsg.getParticipantId());
85 if (participantOpt.isPresent()) {
86 var participant = participantOpt.get();
87 participant.setParticipantState(ParticipantState.OFF_LINE);
88 participantProvider.updateParticipant(participant);
91 participantDeregisterAckPublisher.send(participantDeregisterMsg.getMessageId());
95 * Handle a ParticipantStatus message from a participant.
97 * @param participantStatusMsg the ParticipantStatus message received from a participant
100 @Timed(value = "listener.participant_status", description = "PARTICIPANT_STATUS messages received")
101 public void handleParticipantMessage(ParticipantStatus participantStatusMsg) {
102 LOGGER.debug("Participant Status received {}", participantStatusMsg);
103 saveParticipantStatus(participantStatusMsg,
104 listToMap(participantStatusMsg.getParticipantSupportedElementType()));
105 if (!participantStatusMsg.getAutomationCompositionInfoList().isEmpty()) {
106 automationCompositionProvider.upgradeStates(participantStatusMsg.getAutomationCompositionInfoList());
110 private void saveParticipantStatus(ParticipantMessage participantMessage,
111 Map<UUID, ParticipantSupportedElementType> participantSupportedElementType) {
112 var participantOpt = participantProvider.findParticipant(participantMessage.getParticipantId());
114 if (participantOpt.isEmpty()) {
115 var participant = new Participant();
116 participant.setParticipantId(participantMessage.getParticipantId());
117 participant.setParticipantSupportedElementTypes(participantSupportedElementType);
118 participant.setParticipantState(ParticipantState.ON_LINE);
120 participantProvider.saveParticipant(participant);
122 var participant = participantOpt.get();
123 participant.setParticipantState(ParticipantState.ON_LINE);
125 participantProvider.updateParticipant(participant);
129 private Map<UUID, ParticipantSupportedElementType> listToMap(List<ParticipantSupportedElementType> elementList) {
130 Map<UUID, ParticipantSupportedElementType> map = new HashMap<>();
131 MapUtils.populateMap(map, elementList, ParticipantSupportedElementType::getId);