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Jadex bridge is a base package for kernels and platforms, i.e., it is used by both and provides commonly used interfaces and classes for active components and their management.

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package jadex.bridge.nonfunctional;

import jadex.bridge.ClassInfo;
import jadex.bridge.ComponentTerminatedException;
import jadex.bridge.IInternalAccess;
import jadex.bridge.component.IExecutionFeature;
import jadex.bridge.sensor.unit.IConvertableUnit;
import jadex.bridge.sensor.unit.IPrettyPrintUnit;
import jadex.commons.future.Future;
import jadex.commons.future.IFuture;
import jadex.commons.future.IResultListener;

/**
 * 
 */
public abstract class SimpleValueNFProperty extends AbstractNFProperty
{
	/** The current value. */
	protected T value;
	
	/** The component. */
	protected IInternalAccess comp;
	
	/**
	 *  Create a new property.
	 */
	public SimpleValueNFProperty(final IInternalAccess comp, final NFPropertyMetaInfo mi)
	{
		super(mi);
		this.comp = comp;
		
		if(mi.isDynamic() && mi.getUpdateRate()>0)
		{
			setValue(measureValue());
			IResultListener res = new IResultListener()
			{
				public void resultAvailable(Void result)
				{
					cont();
				}
				
				public void exceptionOccurred(Exception exception)
				{
					if(!(exception instanceof ComponentTerminatedException)
						|| !comp.getId().equals(((ComponentTerminatedException) exception).getComponentIdentifier()))
					{
						//System.out.println("Exception in nfproperty: "+mi.getName()+" "+exception);
						comp.getLogger().warning("Exception in nfproperty: "+mi.getName()+" "+exception);
					}
				}
				
				protected void cont()
				{
					setValue(measureValue());
					comp.getFeature(IExecutionFeature.class).waitForDelay(mi.getUpdateRate(), mi.isRealtime()).addResultListener(this);
				}
			};
			comp.getFeature(IExecutionFeature.class).waitForDelay(mi.getUpdateRate(), mi.isRealtime()).addResultListener(res);
		}
		else
		{
			setValue(measureValue());
		}
	}

	/**
	 *  Get the value converted by a unit.
	 */
	public IFuture getValue(U unit)
	{
		if(getMetaInfo().isDynamic() && getMetaInfo().getUpdateRate()==0)
			setValue(measureValue());
		T ret = value;
		if(unit instanceof IConvertableUnit)
			ret = ((IConvertableUnit)unit).convert(ret);
		return new Future(ret);
	}
	
	/**
	 *  Returns the current value of the property in a human readable form.
	 *  @return The current value of the property.
	 */
	public IFuture getPrettyPrintValue()
	{
		Future ret = new Future<>();
		
		getValue().then(v ->
		{
			NFPropertyMetaInfo mi = getMetaInfo();
			ClassInfo ci = mi.getUnit();
			if(ci!=null)
			{
				Class cl = ci.getType(comp.getClassLoader());
				if(cl.isEnum())
				{
					Object[] enums = cl.getEnumConstants();
					if(enums!=null)
					{
						Object e = enums[0];
						if(e instanceof IPrettyPrintUnit)
						{
							ret.setResult(((IPrettyPrintUnit