AccelerationUnit.java

// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
 
package org.wpilib.units;
 
import org.wpilib.units.measure.Acceleration;

public final class AccelerationUnit<D extends Unit> extends PerUnit<VelocityUnit<D>, TimeUnit> {
  @SuppressWarnings({"rawtypes", "unchecked"})
  private static final CombinatoryUnitCache<VelocityUnit, TimeUnit, AccelerationUnit> cache =
      new CombinatoryUnitCache<>(AccelerationUnit::new);
 
  AccelerationUnit(VelocityUnit<D> velocity, TimeUnit period) {
    super(
        velocity.isBaseUnit() && period.isBaseUnit()
            ? null
            : combine(velocity.getBaseUnit(), period.getBaseUnit()),
        velocity,
        period);
  }
 
  AccelerationUnit(
      AccelerationUnit<D> baseUnit,
      UnaryFunction toBaseConverter,
      UnaryFunction fromBaseConverter,
      String name,
      String symbol) {
    super(baseUnit, toBaseConverter, fromBaseConverter, name, symbol);
  }
 
  @Override
  public Acceleration<D> of(double magnitude) {
    return new Acceleration<>(magnitude, toBaseUnits(magnitude), this);
  }
 
  @Override
  public Acceleration<D> ofBaseUnits(double baseUnitMagnitude) {
    return new Acceleration<>(fromBaseUnits(baseUnitMagnitude), baseUnitMagnitude, this);
  }
 
  @Override
  @SuppressWarnings({"unchecked", "rawtypes"})
  public Acceleration<D> zero() {
    return (Acceleration<D>) (Acceleration) super.zero();
  }
 
  @Override
  @SuppressWarnings({"unchecked", "rawtypes"})
  public Acceleration<D> one() {
    return (Acceleration<D>) (Acceleration) super.one();
  }
 
  @Override
  public VelocityUnit<AccelerationUnit<D>> per(TimeUnit time) {
    return VelocityUnit.combine(this, time);
  }

  public <U extends Unit> PerUnit<AccelerationUnit<D>, U> per(U other) {
    return PerUnit.combine(this, other);
  }

  public double convertFrom(double magnitude, AccelerationUnit<D> otherUnit) {
    return fromBaseUnits(otherUnit.toBaseUnits(magnitude));
  }

  @SuppressWarnings("unchecked")
  public static <D extends Unit> AccelerationUnit<D> combine(
      VelocityUnit<D> velocity, TimeUnit period) {
    return cache.combine(velocity, period);
  }
}