diff options
Diffstat (limited to 'participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ControlLoopStateChangeListener.java')
-rw-r--r-- | participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ControlLoopStateChangeListener.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ControlLoopStateChangeListener.java b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ControlLoopStateChangeListener.java new file mode 100644 index 000000000..50b8b9cdc --- /dev/null +++ b/participant/participant-intermediary/src/main/java/org/onap/policy/clamp/controlloop/participant/intermediary/comm/ControlLoopStateChangeListener.java @@ -0,0 +1,68 @@ +/*- + * ============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 + } +} |