| 76 |
|
* into initial unlocked state, so they are not useful for remote |
| 77 |
|
* locking. |
| 78 |
|
* |
| 79 |
< |
* <p>The scheduling policy of StampedLock does not consistently prefer |
| 80 |
< |
* readers over writers or vice versa. |
| 79 |
> |
* <p>The scheduling policy of StampedLock does not consistently |
| 80 |
> |
* prefer readers over writers or vice versa. A zero return from any |
| 81 |
> |
* "try" method for acquiring or converting locks does carry any |
| 82 |
> |
* information about the state of the lock; a subsequent invocation |
| 83 |
> |
* may succeed. |
| 84 |
|
* |
| 85 |
|
* <p><b>Sample Usage.</b> The following illustrates some usage idioms |
| 86 |
|
* in a class that maintains simple two-dimensional points. The sample |
| 122 |
|
* } |
| 123 |
|
* |
| 124 |
|
* double distanceFromOriginV2() { // combines code paths |
| 125 |
< |
* for (long stamp = sl.optimisticRead(); ; stamp = sl.readLock()) { |
| 125 |
> |
* for (long stamp = sl.tryOptimisticRead(); ; stamp = sl.readLock()) { |
| 126 |
|
* double currentX, currentY; |
| 127 |
|
* try { |
| 128 |
|
* currentX = x; |
