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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021 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.controlloop.participant.simulator.main.handler;
import java.time.Instant;
import java.util.UUID;
import lombok.Setter;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ClElementStatistics;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopOrderedState;
import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopState;
import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantMessageType;
import org.onap.policy.clamp.controlloop.participant.intermediary.api.ControlLoopElementListener;
import org.onap.policy.clamp.controlloop.participant.intermediary.api.ParticipantIntermediaryApi;
import org.onap.policy.models.base.PfModelException;
import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
import org.onap.policy.models.tosca.authorative.concepts.ToscaNodeTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* This class handles implementation of controlLoopElement updates.
*/
@Component
public class ControlLoopElementHandler implements ControlLoopElementListener {
private static final Logger LOGGER = LoggerFactory.getLogger(ControlLoopElementHandler.class);
@Setter
private ParticipantIntermediaryApi intermediaryApi;
/**
* Callback method to handle a control loop element state change.
*
* @param controlLoopElementId the ID of the control loop element
* @param currentState the current state of the control loop element
* @param newState the state to which the control loop element is changing to
* @throws PfModelException in case of an exception
*/
@Override
public void controlLoopElementStateChange(ToscaConceptIdentifier controlLoopId,
UUID controlLoopElementId, ControlLoopState currentState,
ControlLoopOrderedState newState) throws PfModelException {
switch (newState) {
case UNINITIALISED:
intermediaryApi.updateControlLoopElementState(controlLoopId,
controlLoopElementId, newState, ControlLoopState.UNINITIALISED,
ParticipantMessageType.CONTROL_LOOP_STATE_CHANGE);
break;
case PASSIVE:
intermediaryApi.updateControlLoopElementState(controlLoopId,
controlLoopElementId, newState, ControlLoopState.PASSIVE,
ParticipantMessageType.CONTROL_LOOP_STATE_CHANGE);
break;
case RUNNING:
intermediaryApi.updateControlLoopElementState(controlLoopId,
controlLoopElementId, newState, ControlLoopState.RUNNING,
ParticipantMessageType.CONTROL_LOOP_STATE_CHANGE);
break;
default:
LOGGER.debug("Unknown orderedstate {}", newState);
break;
}
}
/**
* Callback method to handle an update on a control loop element.
*
* @param element the information on the control loop element
* @param clElementDefinition toscaNodeTemplate
* @throws PfModelException in case of an exception
*/
@Override
public void controlLoopElementUpdate(ToscaConceptIdentifier controlLoopId, ControlLoopElement element,
ToscaNodeTemplate clElementDefinition)
throws PfModelException {
intermediaryApi.updateControlLoopElementState(controlLoopId, element.getId(), element.getOrderedState(),
ControlLoopState.PASSIVE, ParticipantMessageType.CONTROL_LOOP_UPDATE);
}
@Override
public void handleStatistics(UUID controlLoopElementId) throws PfModelException {
var clElement = intermediaryApi.getControlLoopElement(controlLoopElementId);
if (clElement != null) {
var clElementStatistics = new ClElementStatistics();
clElementStatistics.setControlLoopState(clElement.getState());
clElementStatistics.setTimeStamp(Instant.now());
intermediaryApi.updateControlLoopElementStatistics(controlLoopElementId, clElementStatistics);
}
}
}
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