fr.velossity.sample.device.impl.MockDeviceImpl Maven / Gradle / Ivy

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package fr.velossity.sample.device.impl;

import java.util.Random;

import fr.velossity.sample.device.Device;
import fr.velossity.sample.device.Measurement;
import fr.velossity.sample.device.eventing.MeasurementHandler;

/**
 * 
 * @author C. Saint-Marcel
 * 
 */
public class MockDeviceImpl implements Device, Runnable {

	private String identifier;

	private Thread measureGenerator;

	/**
	 * iPOJO injected field.
	 */
	private MeasurementHandler myMeasurementHandler;

	private Measurement lastMeasurement;

	/**
	 * iPOJO constructor.
	 */
	public MockDeviceImpl() {
		super();
	}

	/**
	 * Default constructor.
	 */
	public MockDeviceImpl(String identifier) {
		this();
		this.identifier = identifier;
	}


	public String getIdentifier() {
		return identifier;
	}

	public String getType() {
		return "Mock";
	}

	/**
	 * Mock device is always functional
	 */
	public String getState() {
		return DEVICE_STATE_FUNCTIONAL;
	}

	public Measurement getLastMeasure() {
		return lastMeasurement;
	}

	public void activate() {
		if(measureGenerator == null) {
			measureGenerator = new Thread(this);
			measureGenerator.start();
		}
	}

	public void deactivate() {
		measureGenerator = null;
	}

	public void run() {
		Thread mg = measureGenerator;
		while (measureGenerator == mg) {
			// Regenerate last measurement
			lastMeasurement = new Measurement(MockDeviceImpl.this, new Random().nextFloat()* 1000, "Watt", System.currentTimeMillis());
			
			// INVOKES the handler with the new measurement
			myMeasurementHandler.newMeasure(lastMeasurement);
			try {
				synchronized (this) {
					wait(10000);						
				}
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}

	}
	
}