FeatureTogglesServiceImpl.java

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/* Copyright 2017 Telstra Open Source
 *
 *   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.
 */

package org.openkilda.northbound.service.impl;

import org.openkilda.messaging.Destination;
import org.openkilda.messaging.Message;
import org.openkilda.messaging.command.CommandMessage;
import org.openkilda.messaging.command.system.FeatureToggleRequest;
import org.openkilda.messaging.command.system.FeatureToggleStateRequest;
import org.openkilda.messaging.info.system.FeatureTogglesResponse;
import org.openkilda.messaging.payload.FeatureTogglePayload;
import org.openkilda.northbound.converter.FeatureTogglesMapper;
import org.openkilda.northbound.messaging.MessageConsumer;
import org.openkilda.northbound.messaging.MessageProducer;
import org.openkilda.northbound.service.FeatureTogglesService;
import org.openkilda.northbound.utils.RequestCorrelationId;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

@Service
public class FeatureTogglesServiceImpl implements FeatureTogglesService {

    private final Logger logger = LoggerFactory.getLogger(FeatureTogglesServiceImpl.class);

    @Value("#{kafkaTopicsConfig.getTopoEngTopic()}")
    private String topoEngTopic;

    @Autowired
    private MessageProducer messageProducer;

    @Autowired
    private MessageConsumer<Message> messageConsumer;

    @Autowired
    private FeatureTogglesMapper mapper;

    @Override
    public void toggleFeatures(FeatureTogglePayload dto) {
        String correlationId = RequestCorrelationId.getId();
        logger.debug("Processing request to toggle features, new properties are {}", dto);
        FeatureToggleRequest request = mapper.toRequest(dto);
        CommandMessage message = new CommandMessage(request, System.currentTimeMillis(), correlationId,
                Destination.TOPOLOGY_ENGINE);
        messageProducer.send(topoEngTopic, message);
    }

    @Override
    public FeatureTogglePayload getFeatureTogglesState() {
        String correlationId = RequestCorrelationId.getId();
        FeatureToggleStateRequest teRequest = new FeatureToggleStateRequest();
        CommandMessage requestMessage = new CommandMessage(teRequest, System.currentTimeMillis(),
                correlationId, Destination.TOPOLOGY_ENGINE);
        messageProducer.send(topoEngTopic, requestMessage);

        Message result = messageConsumer.poll(correlationId);
        FeatureTogglesResponse response =
                (FeatureTogglesResponse) validateInfoMessage(requestMessage, result, correlationId);

        return mapper.toDto(response);
    }
}