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8023764: Optimize Period addition

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Optimise plus/minus for common cases

Reviewed-by: sherman
This commit is contained in:
Stephen Colebourne 2013-08-29 20:38:46 +01:00 committed by Roger Riggs
parent cbe29b7b72
commit c762984485
3 changed files with 30 additions and 0 deletions

10
jdk/src/share/classes/java/time/LocalDate.java

@ -1125,6 +1125,11 @@ public final class LocalDate
*/
@Override
public LocalDate plus(TemporalAmount amountToAdd) {
Objects.requireNonNull(amountToAdd, "amountToAdd");
if (amountToAdd instanceof Period) {
Period periodToAdd = (Period) amountToAdd;
return plusMonths(periodToAdd.toTotalMonths()).plusDays(periodToAdd.getDays());
}
return (LocalDate) amountToAdd.addTo(this);
}
@ -1353,6 +1358,11 @@ public final class LocalDate
*/
@Override
public LocalDate minus(TemporalAmount amountToSubtract) {
Objects.requireNonNull(amountToSubtract, "amountToSubtract");
if (amountToSubtract instanceof Period) {
Period periodToSubtract = (Period) amountToSubtract;
return minusMonths(periodToSubtract.toTotalMonths()).minusDays(periodToSubtract.getDays());
}
return (LocalDate) amountToSubtract.subtractFrom(this);
}

10
jdk/src/share/classes/java/time/LocalDateTime.java

@ -1129,6 +1129,11 @@ public final class LocalDateTime
*/
@Override
public LocalDateTime plus(TemporalAmount amountToAdd) {
Objects.requireNonNull(amountToAdd, "amountToAdd");
if (amountToAdd instanceof Period) {
Period periodToAdd = (Period) amountToAdd;
return with(date.plus(periodToAdd), time);
}
return (LocalDateTime) amountToAdd.addTo(this);
}
@ -1343,6 +1348,11 @@ public final class LocalDateTime
*/
@Override
public LocalDateTime minus(TemporalAmount amountToSubtract) {
Objects.requireNonNull(amountToSubtract, "amountToSubtract");
if (amountToSubtract instanceof Period) {
Period periodToSubtract = (Period) amountToSubtract;
return with(date.minus(periodToSubtract), time);
}
return (LocalDateTime) amountToSubtract.subtractFrom(this);
}

10
jdk/src/share/classes/java/time/ZonedDateTime.java

@ -1540,6 +1540,11 @@ public final class ZonedDateTime
*/
@Override
public ZonedDateTime plus(TemporalAmount amountToAdd) {
Objects.requireNonNull(amountToAdd, "amountToAdd");
if (amountToAdd instanceof Period) {
Period periodToAdd = (Period) amountToAdd;
return resolveLocal(dateTime.plus(periodToAdd));
}
return (ZonedDateTime) amountToAdd.addTo(this);
}
@ -1787,6 +1792,11 @@ public final class ZonedDateTime
*/
@Override
public ZonedDateTime minus(TemporalAmount amountToSubtract) {
Objects.requireNonNull(amountToSubtract, "amountToSubtract");
if (amountToSubtract instanceof Period) {
Period periodToSubtract = (Period) amountToSubtract;
return resolveLocal(dateTime.minus(periodToSubtract));
}
return (ZonedDateTime) amountToSubtract.subtractFrom(this);
}