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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.intermediary.comm;
import java.io.Closeable;
import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantControlLoopStateChange;
import org.onap.policy.clamp.controlloop.participant.intermediary.handler.ParticipantHandler;
import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
import org.onap.policy.common.endpoints.listeners.ScoListener;
import org.onap.policy.common.utils.coder.StandardCoderObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Listener for Participant State Change messages sent by CLAMP.
*/
public class ControlLoopStateChangeListener extends ScoListener<ParticipantControlLoopStateChange>
implements Closeable {
private static final Logger LOGGER = LoggerFactory.getLogger(ControlLoopStateChangeListener.class);
private final ParticipantHandler participantHandler;
/**
* Constructs the object.
*
* @param participantHandler the handler for managing the state of the participant
*/
public ControlLoopStateChangeListener(final ParticipantHandler participantHandler) {
super(ParticipantControlLoopStateChange.class);
this.participantHandler = participantHandler;
}
@Override
public void onTopicEvent(final CommInfrastructure infra, final String topic, final StandardCoderObject sco,
final ParticipantControlLoopStateChange controlLoopStateChangeMsg) {
LOGGER.debug("Control Loop State Change received from CLAMP - {}", controlLoopStateChangeMsg);
if (participantHandler.canHandle(controlLoopStateChangeMsg)) {
LOGGER.debug("Message for this participant");
participantHandler.getControlLoopHandler().handleControlLoopStateChange(controlLoopStateChangeMsg);
} else {
LOGGER.debug("Message not for this participant");
}
}
@Override
public void close() {
// No explicit action on this class
}
}
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