/**
* Returns a copy of this time minus the specified number of millis.
*
* <p>This time instance is immutable and unaffected by this method call.
*
* <p>The following three lines are identical in effect:
*
* <pre>
* TimeOfDay subtracted = dt.minusMillis(6);
* TimeOfDay subtracted = dt.minus(Period.millis(6));
* TimeOfDay subtracted = dt.withFieldAdded(DurationFieldType.millis(), -6);
* </pre>
*
* @param millis the amount of millis to subtract, may be negative
* @return the new time minus the increased millis
* @since 1.1
*/
public TimeOfDay minusMillis(int millis) {
return withFieldAdded(DurationFieldType.millis(), FieldUtils.safeNegate(millis));
}
/**
* Returns a copy of this time minus the specified number of seconds.
*
* <p>This time instance is immutable and unaffected by this method call.
*
* <p>The following three lines are identical in effect:
*
* <pre>
* TimeOfDay subtracted = dt.minusSeconds(6);
* TimeOfDay subtracted = dt.minus(Period.seconds(6));
* TimeOfDay subtracted = dt.withFieldAdded(DurationFieldType.seconds(), -6);
* </pre>
*
* @param seconds the amount of seconds to subtract, may be negative
* @return the new time minus the increased seconds
* @since 1.1
*/
public TimeOfDay minusSeconds(int seconds) {
return withFieldAdded(DurationFieldType.seconds(), FieldUtils.safeNegate(seconds));
}
/**
* Returns a new instance with the hours value negated.
*
* @return the new period with a negated value
* @throws ArithmeticException if the result overflows an int
*/
public Hours negated() {
return Hours.hours(FieldUtils.safeNegate(getValue()));
}
/**
* Returns a copy of this time minus the specified number of hours.
*
* <p>This time instance is immutable and unaffected by this method call.
*
* <p>The following three lines are identical in effect:
*
* <pre>
* TimeOfDay subtracted = dt.minusHours(6);
* TimeOfDay subtracted = dt.minus(Period.hours(6));
* TimeOfDay subtracted = dt.withFieldAdded(DurationFieldType.hours(), -6);
* </pre>
*
* @param hours the amount of hours to subtract, may be negative
* @return the new time minus the increased hours
* @since 1.1
*/
public TimeOfDay minusHours(int hours) {
return withFieldAdded(DurationFieldType.hours(), FieldUtils.safeNegate(hours));
}
/**
* Returns a new instance with the specified number of hours taken away.
*
* <p>This instance is immutable and unaffected by this method call.
*
* @param hours the amount of hours to take away, may be negative
* @return the new period minus the specified number of hours
* @throws ArithmeticException if the result overflows an int
*/
public Hours minus(int hours) {
return plus(FieldUtils.safeNegate(hours));
}