/**
* 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;
}
/**
* Implements the message exchange used to determine whether this feeder is suitable for use the
* client's backup needs. The feeder may be unsuitable if it's already busy, or it's not current
* enough to service the client's needs.
*/
private void checkFeeder(Protocol protocol) throws IOException, DatabaseException {
protocol.read(namedChannel.getChannel(), FeederInfoReq.class);
int feeders = feederManager.getActiveFeederCount() - 1 /* Exclude this one */;
VLSN rangeFirst = VLSN.NULL_VLSN;
VLSN rangeLast = VLSN.NULL_VLSN;
if (feederManager.getEnvImpl() instanceof RepImpl) {
/* Include replication stream feeders as a load component. */
RepImpl repImpl = (RepImpl) feederManager.getEnvImpl();
feeders += repImpl.getRepNode().feederManager().activeReplicaCount();
VLSNRange range = repImpl.getVLSNIndex().getRange();
rangeFirst = range.getFirst();
rangeLast = range.getLast();
}
protocol.write(protocol.new FeederInfoResp(feeders, rangeFirst, rangeLast), namedChannel);
}