Yuta HIGUCHI | 598e57e | 2014-06-16 21:19:01 -0700 | [diff] [blame] | 1 | package net.onrc.onos.core.util.distributed; |
| 2 | |
| 3 | // TODO Should it extend Number? |
| 4 | // TODO Only minimum set required for sequencer is defined now. Add CAS, etc. |
| 5 | /** |
| 6 | * Distributed version of AtomicLong. |
| 7 | */ |
| 8 | public interface DistributedAtomicLong { |
| 9 | |
| 10 | /** |
| 11 | * Gets the current value. |
| 12 | * |
| 13 | * @return current value |
| 14 | */ |
| 15 | long get(); |
| 16 | |
| 17 | /** |
| 18 | * Atomically adds the given value to the current value. |
| 19 | * |
| 20 | * @param delta value to add |
| 21 | * @return updated value |
| 22 | */ |
| 23 | long addAndGet(long delta); |
| 24 | |
| 25 | |
| 26 | /** |
| 27 | * Sets to the given value. |
| 28 | * |
| 29 | * @param newValue value to set. |
| 30 | */ |
| 31 | public void set(long newValue); |
| 32 | |
| 33 | /** |
| 34 | * Atomically adds one to the current value. |
| 35 | * |
| 36 | * @return updated value |
| 37 | */ |
| 38 | public long incrementAndGet(); |
| 39 | } |