RFR 8071670: java.util.Optional: please add a way to specify if-else behavior
Daniel Fuchs
daniel.fuchs at oracle.com
Thu Feb 12 18:39:45 UTC 2015
The new version looks good Paul!
-- daniel
On 2/12/15 6:50 PM, Paul Sandoz wrote:
> On Feb 12, 2015, at 3:50 PM, Daniel Fuchs <daniel.fuchs at oracle.com> wrote:
>
>> Hi Paul,
>>
>> This looks good - I have noticed one copy/paste error in the javadoc
>> though:
>>
>> OptionalInt.java:
>>
>> looks like the throws clause of ifPresent and ifPresentOrElse have been
>> interverted:
>>
>> 138 * @throws NullPointerException if a value is present and {@code action} is
>> 139 * null, or a value is not present and {@code emptyAction} is null.
>> 140 */
>> 141 public void ifPresent(IntConsumer action) {
>> 142 if (isPresent) {
>> 143 action.accept(value);
>> 144 }
>> 145 }
>> 146
>> 147 /**
>> 148 * If a value is present, perform the given action with the value,
>> 149 * otherwise perform the given empty-based action.
>> 150 *
>> 151 * @param action the action to be performed if a value is present
>> 152 * @param emptyAction the empty-based action to be performed if a value is
>> 153 * not present
>> 154 * @throws NullPointerException if value is present and {@code action} is
>> 155 * null
>> 156 * @since 1.9
>> 157 */
>> 158 public void ifPresentOrElse(IntConsumer action, Runnable emptyAction) {
>>
> Oops. Fixed.
>
>
>> Concerning the test, should there be a test that verifies that NPE
>> is thrown when null is passed - as specified in the javadoc?
>>
> Done.
>
> http://cr.openjdk.java.net/~psandoz/jdk9/JDK-8071670-Optional-ifPresentOrElse/webrev/
>
> Thanks,
> Paul.
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