MessageCommandHandlerImpl.java

/*
 * Copyright 2005-2024 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.TxService;
import org.openwms.common.transport.TransportUnitService;
import org.openwms.common.transport.UnitError;
import org.openwms.common.transport.api.commands.MessageCommand;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A MessageCommandHandlerImpl is a transactional Spring managed bean that processes {@link MessageCommand}s.
 *
 * @author Heiko Scherrer
 * @see MessageCommand
 */
@TxService
class MessageCommandHandlerImpl implements MessageCommandHandler {

    private static final Logger LOGGER = LoggerFactory.getLogger(MessageCommandHandlerImpl.class);
    private final TransportUnitService service;

    MessageCommandHandlerImpl(TransportUnitService service) {
        this.service = service;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void handle(MessageCommand command) {
        if (command.getType() == MessageCommand.Type.ADD_TO_TU) {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("Got command to ADD a Message to the TransportUnit with id [{}]", command.getTransportUnitId());
            }
            service.addError(command.getTransportUnitId(), UnitError.newBuilder()
                    .errorText(command.getMessageText())
                    .errorNo(command.getMessageNumber())
                    .build());
        } else {
            LOGGER.debug("MessageCommand [{}] not supported", command.getType());
        }
    }
}