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.ParticipantControlLoopUpdate;
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 Control Loop Update messages sent by CLAMP.
35 public class ControlLoopUpdateListener extends ScoListener<ParticipantControlLoopUpdate> implements Closeable {
36 private static final Logger LOGGER = LoggerFactory.getLogger(ControlLoopUpdateListener.class);
38 private final ParticipantHandler participantHandler;
41 * Constructs the object.
43 * @param participantHandler the handler for managing the state of the participant
45 public ControlLoopUpdateListener(final ParticipantHandler participantHandler) {
46 super(ParticipantControlLoopUpdate.class);
47 this.participantHandler = participantHandler;
51 public void onTopicEvent(final CommInfrastructure infra, final String topic, final StandardCoderObject sco,
52 final ParticipantControlLoopUpdate participantControlLoopUpdateMsg) {
53 LOGGER.debug("Control Loop update received from CLAMP - {}", participantControlLoopUpdateMsg);
55 if (participantHandler.canHandle(participantControlLoopUpdateMsg)) {
56 LOGGER.debug("Message for this participant");
57 participantHandler.getControlLoopHandler().handleControlLoopUpdate(participantControlLoopUpdateMsg);
59 LOGGER.debug("Message not for this participant");
65 // No explicit action on this class