Data.java
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	package ch.epfl.esl.elevatedmonitor.SuperClasses;

	import java.io.Serializable;

	import ch.epfl.esl.elevatedmonitor.Interfaces.InterfaceData;

	public abstract class Data implements InterfaceData, Serializable {
	protected double data = Double.NaN;
	private boolean canBeRead = false;

	@Override
	public double get() {
	if (canBeRead) {
	canBeRead = false;
	//Log.d("BESTIA", " you CAN read" );
	return data;
	}
	else {
	//Log.d("BESTIA", " you cannot read" );
	return Double.NaN;
	}
	}

	public double alwaysGet(){
	return data;
	}

	public void set(double data) {
	this.canBeRead = true;
	//Log.d("BESTIA", " DATA available " );
	this.data = data;
	}

	}