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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.participants;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import javax.ws.rs.core.Response;
import lombok.RequiredArgsConstructor;
import org.apache.commons.collections4.MapUtils;
import org.onap.policy.clamp.acm.runtime.supervision.comm.ParticipantStatusReqPublisher;
import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionElement;
import org.onap.policy.clamp.models.acm.concepts.NodeTemplateState;
import org.onap.policy.clamp.models.acm.concepts.ParticipantInformation;
import org.onap.policy.clamp.models.acm.concepts.ParticipantState;
import org.onap.policy.clamp.models.acm.persistence.provider.ParticipantProvider;
import org.onap.policy.models.base.PfModelRuntimeException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@Service
@Transactional
@RequiredArgsConstructor
public class AcmParticipantProvider {
private static final Logger LOGGER = LoggerFactory.getLogger(AcmParticipantProvider.class);
private final ParticipantProvider participantProvider;
private final ParticipantStatusReqPublisher participantStatusReqPublisher;
/**
* Get all participants.
*
* @return A list of available participants
*/
public List<ParticipantInformation> getAllParticipants() {
var participants = this.participantProvider.getParticipants();
List<ParticipantInformation> participantInformationList = new ArrayList<>();
participants.forEach(participant -> {
ParticipantInformation participantInformation = new ParticipantInformation();
participantInformation.setParticipant(participant);
participantInformation.setAcElementInstanceMap(getAutomationCompositionElementsForParticipant(participant
.getParticipantId()));
participantInformation.setAcNodeTemplateStateDefinitionMap(getNodeTemplateStatesForParticipant(participant
.getParticipantId()));
participantInformationList.add(participantInformation);
});
return participantInformationList;
}
/**
* Get a participant.
*
* @param participantId The UUID of the participant to get
* @return The participant
*/
public ParticipantInformation getParticipantById(UUID participantId) {
var participant = this.participantProvider.getParticipantById(participantId);
var participantInformation = new ParticipantInformation();
participantInformation.setParticipant(participant);
participantInformation.setAcElementInstanceMap(getAutomationCompositionElementsForParticipant(participantId));
participantInformation.setAcNodeTemplateStateDefinitionMap(getNodeTemplateStatesForParticipant(participantId));
return participantInformation;
}
/**
* Send a participant status request.
*
* @param participantId The UUID of the participant to send request to
*/
public void sendParticipantStatusRequest(UUID participantId) {
var participant = this.participantProvider.getParticipantById(participantId);
LOGGER.debug("Requesting Participant Status Now ParticipantStatusReq");
participantStatusReqPublisher.send(participantId);
participant.setParticipantState(ParticipantState.OFF_LINE);
participantProvider.updateParticipant(participant);
}
/**
* Send status request to all participants.
*
*/
public void sendAllParticipantStatusRequest() {
this.participantStatusReqPublisher.send((UUID) null);
}
/**
* Verify Participant state.
*
* @param participantIds The list of UUIDs of the participants to get
* @throws PfModelRuntimeException in case the participant is offline
*/
public void verifyParticipantState(Set<UUID> participantIds) {
for (UUID participantId : participantIds) {
var participant = this.participantProvider.getParticipantById(participantId);
if (! participant.getParticipantState().equals(ParticipantState.ON_LINE)) {
throw new PfModelRuntimeException(Response.Status.CONFLICT,
"Participant: " + participantId + " is OFFLINE");
}
}
}
private Map<UUID, AutomationCompositionElement> getAutomationCompositionElementsForParticipant(UUID participantId) {
var automationCompositionElements = participantProvider
.getAutomationCompositionElements(participantId);
Map<UUID, AutomationCompositionElement> map = new HashMap<>();
MapUtils.populateMap(map, automationCompositionElements, AutomationCompositionElement::getId);
return map;
}
private Map<UUID, NodeTemplateState> getNodeTemplateStatesForParticipant(UUID participantId) {
var acNodeTemplateStates = participantProvider.getAcNodeTemplateStates(participantId);
Map<UUID, NodeTemplateState> map = new HashMap<>();
MapUtils.populateMap(map, acNodeTemplateStates, NodeTemplateState::getNodeTemplateStateId);
return map;
}
}
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