2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.clamp.controlloop.participant.intermediary.comm;
23 import java.io.Closeable;
24 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantControlLoopStateChange;
25 import org.onap.policy.clamp.controlloop.participant.intermediary.handler.ParticipantHandler;
26 import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
27 import org.onap.policy.common.endpoints.listeners.ScoListener;
28 import org.onap.policy.common.utils.coder.StandardCoderObject;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
33 * Listener for Participant State Change messages sent by CLAMP.
35 public class ControlLoopStateChangeListener extends ScoListener<ParticipantControlLoopStateChange>
36 implements Closeable {
37 private static final Logger LOGGER = LoggerFactory.getLogger(ControlLoopStateChangeListener.class);
39 private final ParticipantHandler participantHandler;
42 * Constructs the object.
44 * @param participantHandler the handler for managing the state of the participant
46 public ControlLoopStateChangeListener(final ParticipantHandler participantHandler) {
47 super(ParticipantControlLoopStateChange.class);
48 this.participantHandler = participantHandler;
52 public void onTopicEvent(final CommInfrastructure infra, final String topic, final StandardCoderObject sco,
53 final ParticipantControlLoopStateChange controlLoopStateChangeMsg) {
54 LOGGER.debug("Control Loop State Change received from CLAMP - {}", controlLoopStateChangeMsg);
56 if (participantHandler.canHandle(controlLoopStateChangeMsg)) {
57 LOGGER.debug("Message for this participant");
58 participantHandler.getControlLoopHandler().handleControlLoopStateChange(controlLoopStateChangeMsg);
60 LOGGER.debug("Message not for this participant");
66 // No explicit action on this class