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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021-2023 Nordix Foundation.
* Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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 lombok.AllArgsConstructor;
import org.onap.policy.clamp.models.acm.concepts.AcTypeState;
import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionDefinition;
import org.onap.policy.clamp.models.acm.concepts.StateChangeResult;
import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantPrimeAck;
import org.onap.policy.clamp.models.acm.persistence.provider.AcDefinitionProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* This class handles supervision of automation composition definition, so only one object of this type should be built
* at a time.
*/
@Component
@AllArgsConstructor
public class SupervisionHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(SupervisionHandler.class);
private final AcDefinitionProvider acDefinitionProvider;
/**
* Handle a ParticipantPrimeAck message from a participant.
*
* @param participantPrimeAckMessage the ParticipantPrimeAck message received from a participant
*/
@Timed(value = "listener.participant_prime_ack", description = "PARTICIPANT_PRIME_ACK messages received")
public void handleParticipantMessage(ParticipantPrimeAck participantPrimeAckMessage) {
LOGGER.debug("Participant Prime Ack message received {}", participantPrimeAckMessage);
var acDefinitionOpt = acDefinitionProvider.findAcDefinition(participantPrimeAckMessage.getCompositionId());
if (acDefinitionOpt.isEmpty()) {
LOGGER.warn("AC Definition not found in database {}", participantPrimeAckMessage.getCompositionId());
return;
}
var acDefinition = acDefinitionOpt.get();
if (!AcTypeState.PRIMING.equals(acDefinition.getState())
&& !AcTypeState.DEPRIMING.equals(acDefinition.getState()) && acDefinition.getRestarting() == null) {
LOGGER.error("AC Definition {} already primed/deprimed with participant {}",
participantPrimeAckMessage.getCompositionId(), participantPrimeAckMessage.getParticipantId());
return;
}
handleParticipantPrimeAck(participantPrimeAckMessage, acDefinition);
}
private void handleParticipantPrimeAck(ParticipantPrimeAck participantPrimeAckMessage,
AutomationCompositionDefinition acDefinition) {
var finalState = AcTypeState.PRIMING.equals(acDefinition.getState())
|| AcTypeState.PRIMED.equals(acDefinition.getState()) ? AcTypeState.PRIMED : AcTypeState.COMMISSIONED;
var msgInErrors = StateChangeResult.FAILED.equals(participantPrimeAckMessage.getStateChangeResult());
boolean inProgress = !StateChangeResult.FAILED.equals(acDefinition.getStateChangeResult());
if (inProgress && msgInErrors) {
acDefinition.setStateChangeResult(StateChangeResult.FAILED);
}
boolean completed = true;
boolean restarting = false;
for (var element : acDefinition.getElementStateMap().values()) {
if (participantPrimeAckMessage.getParticipantId().equals(element.getParticipantId())) {
element.setMessage(participantPrimeAckMessage.getMessage());
element.setState(participantPrimeAckMessage.getCompositionState());
element.setRestarting(null);
}
if (!finalState.equals(element.getState())) {
completed = false;
}
if (element.getRestarting() != null) {
restarting = true;
}
}
if (inProgress && !msgInErrors && completed) {
acDefinition.setState(finalState);
if (StateChangeResult.TIMEOUT.equals(acDefinition.getStateChangeResult())) {
acDefinition.setStateChangeResult(StateChangeResult.NO_ERROR);
}
}
if (!restarting) {
acDefinition.setRestarting(null);
}
acDefinitionProvider.updateAcDefinition(acDefinition);
}
}
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