public CommitLogReplayer() {
this.tablesRecovered = new NonBlockingHashSet<Table>();
this.futures = new ArrayList<Future<?>>();
this.buffer = new byte[4096];
this.invalidMutations = new HashMap<Integer, AtomicInteger>();
// count the number of replayed mutation. We don't really care about atomicity, but we need it
// to be a reference.
this.replayedCount = new AtomicInteger();
// compute per-CF and global replay positions
this.cfPositions = new HashMap<Integer, ReplayPosition>();
for (ColumnFamilyStore cfs : ColumnFamilyStore.all()) {
// it's important to call RP.gRP per-cf, before aggregating all the positions w/ the
// Ordering.min call
// below: gRP will return NONE if there are no flushed sstables, which is important to have in
// the
// list (otherwise we'll just start replay from the first flush position that we do have,
// which is not correct).
ReplayPosition rp = ReplayPosition.getReplayPosition(cfs.getSSTables());
cfPositions.put(cfs.metadata.cfId, rp);
}
this.globalPosition = Ordering.from(ReplayPosition.comparator).min(cfPositions.values());
this.checksum = new PureJavaCrc32();
}
