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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021 Nordix Foundation.
* Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.util.List;
import javax.ws.rs.core.Response.Status;
import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ControlLoopAck;
import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantDeregister;
import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantRegister;
import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantStatus;
import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantUpdateAck;
import org.onap.policy.clamp.controlloop.participant.intermediary.handler.Publisher;
import org.onap.policy.common.endpoints.event.comm.TopicSink;
import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
/**
* This class is used to send Participant Status messages to clamp using TopicSinkClient.
*
*/
@Component
public class ParticipantMessagePublisher implements Publisher {
private static final Logger LOGGER = LoggerFactory.getLogger(ParticipantMessagePublisher.class);
private static final String NOT_ACTIVE_TEXT = "Not Active!";
private boolean active = false;
private TopicSinkClient topicSinkClient;
/**
* Constructor for instantiating ParticipantMessagePublisher.
*
* @param topicSinks the topic sinks
*/
@Override
public void active(List<TopicSink> topicSinks) {
if (topicSinks.size() != 1) {
throw new IllegalArgumentException("Configuration unsupported, Topic sinks greater than 1");
}
this.topicSinkClient = new TopicSinkClient(topicSinks.get(0));
active = true;
}
/**
* Method to send Participant Status message to clamp on demand.
*
* @param participantStatus the Participant Status
*/
public void sendParticipantStatus(final ParticipantStatus participantStatus) {
if (!active) {
throw new ControlLoopRuntimeException(Status.NOT_ACCEPTABLE, NOT_ACTIVE_TEXT);
}
topicSinkClient.send(participantStatus);
LOGGER.debug("Sent Participant Status message to CLAMP - {}", participantStatus);
}
/**
* Method to send Participant Status message to clamp on demand.
*
* @param participantRegister the Participant Status
*/
public void sendParticipantRegister(final ParticipantRegister participantRegister) {
if (!active) {
throw new ControlLoopRuntimeException(Status.NOT_ACCEPTABLE, NOT_ACTIVE_TEXT);
}
topicSinkClient.send(participantRegister);
LOGGER.debug("Sent Participant Register message to CLAMP - {}", participantRegister);
}
/**
* Method to send Participant Status message to clamp on demand.
*
* @param participantDeregister the Participant Status
*/
public void sendParticipantDeregister(final ParticipantDeregister participantDeregister) {
if (!active) {
throw new ControlLoopRuntimeException(Status.NOT_ACCEPTABLE, NOT_ACTIVE_TEXT);
}
topicSinkClient.send(participantDeregister);
LOGGER.debug("Sent Participant Deregister message to CLAMP - {}", participantDeregister);
}
/**
* Method to send Participant Update Ack message to runtime.
*
* @param participantUpdateAck the Participant Update Ack
*/
public void sendParticipantUpdateAck(final ParticipantUpdateAck participantUpdateAck) {
if (!active) {
throw new ControlLoopRuntimeException(Status.NOT_ACCEPTABLE, NOT_ACTIVE_TEXT);
}
topicSinkClient.send(participantUpdateAck);
LOGGER.debug("Sent Participant Update Ack message to CLAMP - {}", participantUpdateAck);
}
/**
* Method to send ControlLoop Update/StateChange Ack message to runtime.
*
* @param controlLoopAck ControlLoop Update/StateChange Ack
*/
public void sendControlLoopAck(final ControlLoopAck controlLoopAck) {
if (!active) {
throw new ControlLoopRuntimeException(Status.NOT_ACCEPTABLE, NOT_ACTIVE_TEXT);
}
topicSinkClient.send(controlLoopAck);
LOGGER.debug("Sent ControlLoop Update/StateChange Ack to runtime - {}", controlLoopAck);
}
/**
* Method to send Participant heartbeat to clamp on demand.
*
* @param participantStatus the Participant Status
*/
public void sendHeartbeat(final ParticipantStatus participantStatus) {
if (!active) {
throw new ControlLoopRuntimeException(Status.NOT_ACCEPTABLE, NOT_ACTIVE_TEXT);
}
topicSinkClient.send(participantStatus);
LOGGER.debug("Sent Participant heartbeat to CLAMP - {}", participantStatus);
}
@Override
public void stop() {
active = false;
}
}
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