Time.java
/*
* Copyright (C) 2018 Alberto Irurueta Carro (alberto@irurueta.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.irurueta.units;
import java.math.BigDecimal;
/**
* Contains a time value and unit.
*/
public class Time extends Measurement<TimeUnit> {
/**
* Constructor with value and unit.
*
* @param value time value.
* @param unit unit of distance.
* @throws IllegalArgumentException if either value or unit is null.
*/
@SuppressWarnings("WeakerAccess")
public Time(final Number value, final TimeUnit unit) {
super(value, unit);
}
/**
* Constructor.
*/
Time() {
super();
}
/**
* Determines if two time instances are equal up to a certain tolerance.
* If needed, this method attempts unit conversion to compare both objects.
*
* @param other another time to compare.
* @param tolerance amount of tolerance to determine whether two time instances are equal or not.
* @return true if provided time is assumed to be equal to this instance, false
* otherwise.
*/
@Override
public boolean equals(final Measurement<TimeUnit> other, final double tolerance) {
if (super.equals(other, tolerance)) {
return true;
}
//attempt conversion to common units
if (other == null) {
return false;
}
final var otherValue = TimeConverter.convert(other.getValue().doubleValue(), other.getUnit(), getUnit());
return Math.abs(getValue().doubleValue() - otherValue) <= tolerance;
}
/**
* Adds two time values and units and returns the result.
*
* @param value1 1st argument value.
* @param unit1 1st argument unit.
* @param value2 2nd argument value.
* @param unit2 2nd argument unit.
* @param resultUnit unit of result to be returned.
* @return result of addition.
*/
public static double add(final double value1, final TimeUnit unit1,
final double value2, final TimeUnit unit2,
final TimeUnit resultUnit) {
final var v1 = TimeConverter.convert(value1, unit1, resultUnit);
final var v2 = TimeConverter.convert(value2, unit2, resultUnit);
return v1 + v2;
}
/**
* Adds two time values and units and returns the result.
*
* @param value1 1st argument value.
* @param unit1 1st argument unit.
* @param value2 2nd argument value.
* @param unit2 2nd argument unit.
* @param resultUnit unit of result to be returned.
* @return result of addition.
*/
public static Number add(final Number value1, final TimeUnit unit1,
final Number value2, final TimeUnit unit2,
final TimeUnit resultUnit) {
return BigDecimal.valueOf(add(value1.doubleValue(), unit1, value2.doubleValue(), unit2, resultUnit));
}
/**
* Adds two time instances and stores the result into provided instance.
*
* @param arg1 1st argument.
* @param arg2 2nd argument.
* @param result instance where result will be stored.
*/
public static void add(final Time arg1, final Time arg2, final Time result) {
result.setValue(add(arg1.getValue(), arg1.getUnit(), arg2.getValue(), arg2.getUnit(), result.getUnit()));
}
/**
* Adds two time instances.
*
* @param arg1 1st argument.
* @param arg2 2nd argument.
* @param unit unit of returned time.
* @return a new instance containing result.
*/
public static Time addAndReturnNew(final Time arg1, final Time arg2, final TimeUnit unit) {
final var result = new Time();
result.setUnit(unit);
add(arg1, arg2, result);
return result;
}
/**
* Adds provided time value and unit and returns a new time instance using
* provided unit.
*
* @param value value to be added.
* @param unit unit of value to be added.
* @param resultUnit unit of returned time.
* @return a new time containing result.
*/
public Time addAndReturnNew(
final double value, final TimeUnit unit,
final TimeUnit resultUnit) {
final var result = new Time();
result.setUnit(resultUnit);
result.setValue(add(getValue().doubleValue(), getUnit(), value, unit, resultUnit));
return result;
}
/**
* Adds provided time value and unit and returns a new time instance using
* provided unit.
*
* @param value value to be added.
* @param unit unit of value to be added.
* @param resultUnit unit of returned time.
* @return a new time containing result.
*/
public Time addAndReturnNew(
final Number value, final TimeUnit unit,
final TimeUnit resultUnit) {
final var result = new Time();
result.setUnit(resultUnit);
result.setValue(add(getValue(), getUnit(), value, unit, resultUnit));
return result;
}
/**
* Adds provided time to current instance and returns a new time
* instance.
*
* @param t time to be added.
* @param unit unit of returned time.
* @return a new time containing result.
*/
public Time addAndReturnNew(final Time t, final TimeUnit unit) {
return addAndReturnNew(this, t, unit);
}
/**
* Adds provided time value and unit and updates current time instance.
*
* @param value time value to be added.
* @param unit unit of time value.
*/
public void add(final double value, final TimeUnit unit) {
setValue(add(getValue(), getUnit(), value, unit, getUnit()));
}
/**
* Adds provided time value and unit and updates current time instance.
*
* @param value time value to be added.
* @param unit unit of time value.
*/
public void add(final Number value, final TimeUnit unit) {
setValue(add(getValue(), getUnit(), value, unit, getUnit()));
}
/**
* Adds provided time and updates current time instance.
*
* @param time time to be added.
*/
public void add(final Time time) {
add(this, time, this);
}
/**
* Adds provided time and stores the result into provided time instance.
*
* @param t time to be added.
* @param result instance where result will be stored.
*/
public void add(final Time t, final Time result) {
add(this, t, result);
}
/**
* Subtracts two time values and units and returns the result.
*
* @param value1 1st argument value.
* @param unit1 1st argument unit.
* @param value2 2nd argument value.
* @param unit2 2nd argument unit.
* @param resultUnit unit of result to be returned.
* @return result of subtraction.
*/
public static double subtract(
final double value1, final TimeUnit unit1,
final double value2, final TimeUnit unit2,
final TimeUnit resultUnit) {
final var v1 = TimeConverter.convert(value1, unit1, resultUnit);
final var v2 = TimeConverter.convert(value2, unit2, resultUnit);
return v1 - v2;
}
/**
* Subtracts two time values and units and returns the result.
*
* @param value1 1st argument value.
* @param unit1 1st argument unit.
* @param value2 2nd argument value.
* @param unit2 2nd argument unit.
* @param resultUnit unit of result to be returned.
* @return result of subtraction.
*/
public static Number subtract(
final Number value1, final TimeUnit unit1,
final Number value2, final TimeUnit unit2,
final TimeUnit resultUnit) {
return BigDecimal.valueOf(subtract(value1.doubleValue(), unit1, value2.doubleValue(), unit2, resultUnit));
}
/**
* Subtracts two time instances and stores the result into provided instance.
*
* @param arg1 1st argument.
* @param arg2 2nd argument.
* @param result instance where result will be stored.
*/
public static void subtract(final Time arg1, final Time arg2, final Time result) {
result.setValue(subtract(arg1.getValue(), arg1.getUnit(), arg2.getValue(), arg2.getUnit(), result.getUnit()));
}
/**
* Subtracts two time instances.
*
* @param arg1 1st argument.
* @param arg2 2nd argument.
* @param unit unit of returned time.
* @return a new instance containing result.
*/
public static Time subtractAndReturnNew(
final Time arg1, final Time arg2, final TimeUnit unit) {
final var result = new Time();
result.setUnit(unit);
subtract(arg1, arg2, result);
return result;
}
/**
* Subtracts provided time value and unit and returns a new time instance using
* provided unit.
*
* @param value value to be subtracted.
* @param unit unit of value to be subtracted.
* @param resultUnit unit of returned time.
* @return a new time containing result.
*/
public Time subtractAndReturnNew(final double value, final TimeUnit unit, final TimeUnit resultUnit) {
final var result = new Time();
result.setUnit(resultUnit);
result.setValue(subtract(getValue().doubleValue(), getUnit(), value, unit, resultUnit));
return result;
}
/**
* Subtracts provided time value and unit and returns a new time instance using
* provided unit.
*
* @param value value to be subtracted.
* @param unit unit of value to be subtracted.
* @param resultUnit unit of returned time.
* @return a new time containing result.
*/
public Time subtractAndReturnNew(final Number value, final TimeUnit unit, final TimeUnit resultUnit) {
final var result = new Time();
result.setUnit(resultUnit);
result.setValue(subtract(getValue(), getUnit(), value, unit, resultUnit));
return result;
}
/**
* Subtracts provided time to current instance and returns a new
* instance.
*
* @param t time to be subtracted.
* @param unit unit of returned time.
* @return a new time containing result.
*/
public Time subtractAndReturnNew(final Time t, final TimeUnit unit) {
return subtractAndReturnNew(this, t, unit);
}
/**
* Subtracts provided time value and unit and updates current time instance.
*
* @param value time value to be subtracted.
* @param unit unit of time value.
*/
public void subtract(final double value, final TimeUnit unit) {
setValue(subtract(getValue(), getUnit(), value, unit, getUnit()));
}
/**
* Subtracts provided time value and unit and updates current time instance.
*
* @param value time value to be subtracted.
* @param unit unit of time value.
*/
public void subtract(final Number value, final TimeUnit unit) {
setValue(subtract(getValue(), getUnit(), value, unit, getUnit()));
}
/**
* Subtract provided time and updates current time.
*
* @param time time to be subtracted.
*/
public void subtract(final Time time) {
subtract(this, time, this);
}
/**
* Subtracts provided time and stores the result into provided time.
*
* @param t time to be subtracted.
* @param result instance where result will be stored.
*/
public void subtract(final Time t, final Time result) {
subtract(this, t, result);
}
}