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root/jsr166/jsr166/src/main/java/util/concurrent/Future.java

Comparing jsr166/src/main/java/util/concurrent/Future.java (file contents):
Revision 1.45 by dl, Fri Mar 18 16:01:42 2022 UTC vs.
Revision 1.46 by dl, Fri Apr 29 17:00:36 2022 UTC

#	Line 137 | Line 137 | public interface Future<V> {
137		* Returns the computed result, without waiting.
138		*
139		* <p> This method is for cases where the caller knows that the task has
140	<	* already completed successfully, for example a filter-map of a stream of
141	<	* Future objects where the filter matches tasks that completed successfully.
140	>	* already completed successfully, for example when filtering a stream
141	>	* of Future objects for the successful tasks and using a mapping
142	>	* operation to obtain a stream of results.
143		* {@snippet lang=java :
144		*     results = futures.stream()
145		*                .filter(f -> f.state() == Future.State.SUCCESS)
#	Line 153 | Line 154 | public interface Future<V> {
154		* @return the computed result
155		* @throws IllegalStateException if the task has not completed or the task
156		* did not complete with a result
157	<	* @since 99
157	>	* @since 19
158		*/
159		default V resultNow() {
160		if (!isDone())
#	Line 190 | Line 191 | public interface Future<V> {
191		* @return the exception thrown by the task
192		* @throws IllegalStateException if the task has not completed, the task
193		* completed normally, or the task was cancelled
194	<	* @since 99
194	>	* @since 19
195		*/
196		default Throwable exceptionNow() {
197		if (!isDone())
#	Line 216 | Line 217 | public interface Future<V> {
217
218		/**
219		* Represents the computation state.
220	<	* @since 99
220	>	* @since 19
221		*/
222		enum State {
223		/**
#	Line 247 | Line 248 | public interface Future<V> {
248		* The default implementation uses {@code isDone()}, {@code isCancelled()},
249		* and {@code get()} to determine the state.
250		*
251	<	* @since 99
251	>	* @since 19
252		*/
253		default State state() {
254		if (!isDone())
#	Line 271 | Line 272 | public interface Future<V> {
272		}
273		}
274		}
274	–

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