TransportUnitCommandListener.java

/*
 * Copyright 2005-2025 the original author or authors.
 *
 * 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.openwms.common.transport.commands;

import org.ameba.annotation.Measured;
import org.openwms.common.transport.api.commands.Command;
import org.openwms.common.transport.api.commands.MessageCommand;
import org.openwms.common.transport.api.commands.TUCommand;
import org.openwms.core.SpringProfiles;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.amqp.AmqpRejectAndDontRequeueException;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Profile;
import org.springframework.messaging.handler.annotation.Payload;
import org.springframework.stereotype.Component;

/**
 * A TransportUnitCommandListener is listening on {@link TUCommand}s to process.
 *
 * @author Heiko Scherrer
 * @see TUCommand
 */
@Profile(SpringProfiles.ASYNCHRONOUS_PROFILE)
@Component
class TransportUnitCommandListener {

    private static final Logger LOGGER = LoggerFactory.getLogger(TransportUnitCommandListener.class);
    private final TransportUnitCommandHandler handler;
    private final MessageCommandHandler messageCommandHandler;

    TransportUnitCommandListener(TransportUnitCommandHandler handler, MessageCommandHandler messageCommandHandler) {
        this.handler = handler;
        this.messageCommandHandler = messageCommandHandler;
    }

    @Measured
    @RabbitListener(queues = "${owms.commands.common.tu.queue-name}")
    public void onCommand(@Payload Command<?> command) {
        try {
            if (command instanceof TUCommand tuCommand) {
                handler.handle(tuCommand);
            } else if (command instanceof MessageCommand messageCommand) {
                messageCommandHandler.handle(messageCommand);
            }
        } catch (Exception e) {
            LOGGER.error("Processing command rejected [{}]", command);
            throw new AmqpRejectAndDontRequeueException(e.getMessage(), e);
        }
    }
}