private float[] mWheelDirectionAcceleration;

private final static int WHEEL_COUNT = 4;

public WheelData() {
    mWheelSpeed = new float[WHEEL_COUNT];
    mWheelDirectionAcceleration = new float[WHEEL_COUNT];
}

public void setWheelSpeed(float[] wheelSpeed) {
    if (wheelSpeed.length != WHEEL_COUNT) {
        return;
    }

    System.arraycopy(wheelSpeed, 0, mWheelSpeed, 0, WHEEL_COUNT);
}

public void setWheelDirectionAcceleration(float[] wheelDirectionAcceleration) {
   if (wheelDirectionAcceleration.length != WHEEL_COUNT) {
       return;