Examples with ZKOp com.twitter.distributedlog.zk.ZKOp used on opensource projects

Example 6 with ZKOp

use of com.twitter.distributedlog.zk.ZKOp in project distributedlog by twitter.

the class BKLogWriteHandler method storeMaxSequenceNumber.

// Transactional operations for MaxLogSegmentSequenceNo
void storeMaxSequenceNumber(final Transaction txn, final MaxLogSegmentSequenceNo maxSeqNo, final long seqNo, final boolean isInprogress) {
    byte[] data = DLUtils.serializeLogSegmentSequenceNumber(seqNo);
    Op zkOp = Op.setData(logMetadata.getLogSegmentsPath(), data, maxSeqNo.getZkVersion());
    txn.addOp(new ZKVersionedSetOp(zkOp, new Transaction.OpListener<Version>() {

        @Override
        public void onCommit(Version version) {
            if (validateLogSegmentSequenceNumber) {
                synchronized (inprogressLSSNs) {
                    if (isInprogress) {
                        inprogressLSSNs.add(seqNo);
                    } else {
                        inprogressLSSNs.removeFirst();
                    }
                }
            }
            maxSeqNo.update((ZkVersion) version, seqNo);
        }

        @Override
        public void onAbort(Throwable t) {
        // no-op
        }
    }));
}