models/DeviceContainer.java

package kernel.models;

import devices.PowerSupply;
import devices.PressureGauge;
import org.jetbrains.annotations.Contract;

public final class DeviceContainer implements CombinedDeviceContainer {

    private PowerSupply powerSupply;

    private PressureGauge pressureGauge;

    private Boolean powerSupplyWasSet = Boolean.FALSE;

    private Boolean pressureGaugeWasSet = Boolean.FALSE;

    @Override public PowerSupply getPowerSupply(){
        return powerSupply;
    }

    @Override public void setPowerSupply(PowerSupply powerSupply){
        this.powerSupply = powerSupply;
        this.powerSupplyWasSet = Boolean.TRUE;
    }

    @Contract(pure = true)
    @Override public Boolean hasPowerSupply(){
        return this.powerSupplyWasSet;
    }

    @Override public PressureGauge getPressureGauge(){
        return pressureGauge;
    }

    @Override public void setPressureGauge(PressureGauge pressureGauge){
        this.pressureGauge = pressureGauge;
        pressureGaugeWasSet = Boolean.TRUE;
    }

    @Contract(pure = true)
    @Override public Boolean hasPressureGauge(){
        return pressureGaugeWasSet;
    }
}