Package org.apache.cassandra.db.commitlog

Examples of org.apache.cassandra.db.commitlog.ReplayPosition.compareTo()

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            // we clone the replay position so that the object passed in does not "escape", permitting stack allocation
            replayPosition = replayPosition.clone();
            while (true)
            {
                ReplayPosition last = lastReplayPosition.get();
                if (last.compareTo(replayPosition) >= 0)
                    break;
                if (lastReplayPosition.compareAndSet(last, replayPosition))
                    break;
            }
        }
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            // we clone the replay position so that the object passed in does not "escape", permitting stack allocation
            replayPosition = replayPosition.clone();
            while (true)
            {
                ReplayPosition last = lastReplayPosition.get();
                if (last.compareTo(replayPosition) >= 0)
                    break;
                if (lastReplayPosition.compareAndSet(last, replayPosition))
                    break;
            }
        }
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            // we clone the replay position so that the object passed in does not "escape", permitting stack allocation
            replayPosition = replayPosition.clone();
            while (true)
            {
                ReplayPosition last = lastReplayPosition.get();
                if (last.compareTo(replayPosition) >= 0)
                    break;
                if (lastReplayPosition.compareAndSet(last, replayPosition))
                    break;
            }
        }
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            // we clone the replay position so that the object passed in does not "escape", permitting stack allocation
            replayPosition = replayPosition.clone();
            while (true)
            {
                ReplayPosition last = lastReplayPosition.get();
                if (last.compareTo(replayPosition) >= 0)
                    break;
                if (lastReplayPosition.compareAndSet(last, replayPosition))
                    break;
            }
        }
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            // if the writeBarrier is set, we want to maintain lastReplayPosition; this is an optimisation to avoid
            // casing it for every write, but still ensure it is correct when writeBarrier.await() completes.
            while (true)
            {
                ReplayPosition last = lastReplayPosition.get();
                if (last.compareTo(replayPosition) >= 0)
                    break;
                if (lastReplayPosition.compareAndSet(last, replayPosition))
                    break;
            }
        }
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