org.bidib.jbidibc.usbstickbasis.adapter.SelectedCar Maven / Gradle / Ivy

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package org.bidib.jbidibc.usbstickbasis.adapter;

import java.util.HashMap;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.jgoodies.binding.beans.Model;

public class SelectedCar extends Model {

    private static final Logger LOGGER = LoggerFactory.getLogger(SelectedCar.class);

    private static final long serialVersionUID = 1L;

    public static final String PROPERTYNAME_DECODERADDRESS = "decoderAddress";

    public static final String PROPERTYNAME_SCALE = "scale";

    public static final String PROPERTYNAME_FUNCTIONMAP = "functionMap";

    public static final String PROPERTYNAME_FUNCTIONVALUE = "functionValue";

    private Integer decoderAddress;

    private Integer scale;

    private Map functionMap = new HashMap<>();

    public SelectedCar() {

    }

    /**
     * @return the decoderAddress
     */
    public Integer getDecoderAddress() {
        return decoderAddress;
    }

    /**
     * @param decoderAddress
     *            the decoderAddress to set
     */
    public void setDecoderAddress(Integer decoderAddress) {
        Integer oldValue = this.decoderAddress;

        this.decoderAddress = decoderAddress;

        firePropertyChange(PROPERTYNAME_DECODERADDRESS, oldValue, decoderAddress);

        if (oldValue != decoderAddress) {
            LOGGER.info("The decoder address has changed. Clear the function map.");
            functionMap.clear();
        }
    }

    /**
     * @return the scale
     */
    public Integer getScale() {
        return scale;
    }

    /**
     * @param scale
     *            the scale to set
     */
    public void setScale(Integer scale) {
        Integer oldValue = this.scale;

        this.scale = scale;

        firePropertyChange(PROPERTYNAME_SCALE, oldValue, scale);
    }

    /**
     * @return the functionMap
     */
    public Map getFunctionMap() {
        return functionMap;
    }

    /**
     * @param functionMap
     *            the functionMap to set
     */
    public void setFunctionMap(Map functionMap) {
        this.functionMap = functionMap;
    }

    /**
     * Get the value of the function from the cache.
     * 
     * @param functionAddress
     *            the function address
     * @return the value, or {@code null} if not available
     */
    public Integer getFunctionValue(Integer functionAddress) {
        return functionMap.get(functionAddress);
    }

    /**
     * Set the function value in the cache.
     * 
     * @param functionAddress
     *            the function address
     * @param functionValue
     *            the new value
     */
    public void setFunctionValue(Integer functionAddress, Integer functionValue) {
        if (functionValue != null) {
            functionMap.put(functionAddress, functionValue);
        }
        else {
            functionMap.remove(functionAddress);
        }
    }
}