/*
* Provoke sufficient log cleaning to move the entire VLSN right
* sufficiently that the new VLSN range no longer overlaps the VLSN
* range upon entry thus guaranteeing a LogFileRefreshException.
*/
private void shiftVLSNRight(ReplicatedEnvironment menv) {
/* Shift the vlsn range window. */
RepImpl menvImpl = repEnvInfo[0].getRepImpl();
final VLSNIndex vlsnIndex = menvImpl.getRepNode().getVLSNIndex();
VLSN masterHigh = vlsnIndex.getRange().getLast();
CheckpointConfig checkpointConfig = new CheckpointConfig();
checkpointConfig.setForce(true);
do {
/*
* Populate just the master, leaving the replica behind Re-populate
* with the same keys to create Cleaner fodder.
*/
populateDB(menv, TEST_DB_NAME, 100);
/*
* Sleep to permit the cbvlsn on the master to be updated. It's
* done with the period: FeederManager.MASTER_CHANGE_CHECK_TIMEOUT
*/
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
fail("unexpected interrupt");
}
menv.cleanLog();
menv.checkpoint(checkpointConfig);
} while (masterHigh.compareTo(vlsnIndex.getRange().getFirst()) > 0);
}
/**
* In this test, we often want to check that the last item in the replicated stream is not a
* matchpoint candidate (that VLSNRange.lastVLSN != VLSNRange.lastSync) There's nothing wrong
* intrinsically with that being so, it's just that this test is trying to ensure that we test
* partial rollbacks.
*
* @return lastVLSN
* @throws InterruptedException
*/
private VLSN ensureDistinctLastAndSyncVLSN(ReplicatedEnvironment master, RepEnvInfo[] repEnvInfo)
throws InterruptedException {
VLSNIndex vlsnIndex = RepInternal.getRepImpl(master).getVLSNIndex();
VLSNRange range = vlsnIndex.getRange();
VLSN lastVLSN = range.getLast();
VLSN syncVLSN = range.getLastSync();
assertFalse("lastVLSN = " + lastVLSN + " syncVLSN = " + syncVLSN, lastVLSN.equals(syncVLSN));
return lastVLSN;
}