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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2023 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.clamp.acm.runtime.supervision;
import io.micrometer.core.annotation.Timed;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import lombok.AllArgsConstructor;
import org.apache.commons.collections4.MapUtils;
import org.onap.policy.clamp.acm.runtime.supervision.comm.ParticipantDeregisterAckPublisher;
import org.onap.policy.clamp.acm.runtime.supervision.comm.ParticipantRegisterAckPublisher;
import org.onap.policy.clamp.models.acm.concepts.Participant;
import org.onap.policy.clamp.models.acm.concepts.ParticipantState;
import org.onap.policy.clamp.models.acm.concepts.ParticipantSupportedElementType;
import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantDeregister;
import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantMessage;
import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantRegister;
import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantStatus;
import org.onap.policy.clamp.models.acm.persistence.provider.AutomationCompositionProvider;
import org.onap.policy.clamp.models.acm.persistence.provider.ParticipantProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* This class handles supervision of participant status.
*/
@Component
@AllArgsConstructor
public class SupervisionParticipantHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(SupervisionParticipantHandler.class);
private final ParticipantProvider participantProvider;
private final ParticipantRegisterAckPublisher participantRegisterAckPublisher;
private final ParticipantDeregisterAckPublisher participantDeregisterAckPublisher;
private final AutomationCompositionProvider automationCompositionProvider;
/**
* Handle a ParticipantRegister message from a participant.
*
* @param participantRegisterMsg the ParticipantRegister message received from a participant
*/
@MessageIntercept
@Timed(value = "listener.participant_register", description = "PARTICIPANT_REGISTER messages received")
public void handleParticipantMessage(ParticipantRegister participantRegisterMsg) {
LOGGER.debug("Participant Register received {}", participantRegisterMsg);
saveParticipantStatus(participantRegisterMsg,
listToMap(participantRegisterMsg.getParticipantSupportedElementType()));
participantRegisterAckPublisher.send(participantRegisterMsg.getMessageId(),
participantRegisterMsg.getParticipantId());
}
/**
* Handle a ParticipantDeregister message from a participant.
*
* @param participantDeregisterMsg the ParticipantDeregister message received from a participant
*/
@MessageIntercept
@Timed(value = "listener.participant_deregister", description = "PARTICIPANT_DEREGISTER messages received")
public void handleParticipantMessage(ParticipantDeregister participantDeregisterMsg) {
LOGGER.debug("Participant Deregister received {}", participantDeregisterMsg);
var participantOpt = participantProvider.findParticipant(participantDeregisterMsg.getParticipantId());
if (participantOpt.isPresent()) {
var participant = participantOpt.get();
participant.setParticipantState(ParticipantState.OFF_LINE);
participantProvider.updateParticipant(participant);
}
participantDeregisterAckPublisher.send(participantDeregisterMsg.getMessageId());
}
/**
* Handle a ParticipantStatus message from a participant.
*
* @param participantStatusMsg the ParticipantStatus message received from a participant
*/
@MessageIntercept
@Timed(value = "listener.participant_status", description = "PARTICIPANT_STATUS messages received")
public void handleParticipantMessage(ParticipantStatus participantStatusMsg) {
LOGGER.debug("Participant Status received {}", participantStatusMsg);
saveParticipantStatus(participantStatusMsg,
listToMap(participantStatusMsg.getParticipantSupportedElementType()));
if (!participantStatusMsg.getAutomationCompositionInfoList().isEmpty()) {
automationCompositionProvider.upgradeStates(participantStatusMsg.getAutomationCompositionInfoList());
}
}
private void saveParticipantStatus(ParticipantMessage participantMessage,
Map<UUID, ParticipantSupportedElementType> participantSupportedElementType) {
var participantOpt = participantProvider.findParticipant(participantMessage.getParticipantId());
if (participantOpt.isEmpty()) {
var participant = new Participant();
participant.setParticipantId(participantMessage.getParticipantId());
participant.setParticipantSupportedElementTypes(participantSupportedElementType);
participant.setParticipantState(ParticipantState.ON_LINE);
participantProvider.saveParticipant(participant);
} else {
var participant = participantOpt.get();
participant.setParticipantState(ParticipantState.ON_LINE);
participantProvider.updateParticipant(participant);
}
}
private Map<UUID, ParticipantSupportedElementType> listToMap(List<ParticipantSupportedElementType> elementList) {
Map<UUID, ParticipantSupportedElementType> map = new HashMap<>();
MapUtils.populateMap(map, elementList, ParticipantSupportedElementType::getId);
return map;
}
}
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