Examples of com.sleepycat.je.txn.LockGrantType

com.sleepycat.je.txn.LockGrantType
LockGrantType is an enumeration of the possible results of a lock attempt.

     * release it. If it was promoted, demote it.
     */
    private void revertLock(long lsn, LockResult lockResult)
        throws DatabaseException {


        LockGrantType lockStatus = lockResult.getLockGrant();
        if ((lockStatus == LockGrantType.NEW) ||
            (lockStatus == LockGrantType.WAIT_NEW)) {
            locker.releaseLock(lsn);
        } else if ((lockStatus == LockGrantType.PROMOTION) ||
                   (lockStatus == LockGrantType.WAIT_PROMOTION)){

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             * BIN (and DIN) since we always attempt to acquire a non-blocking
             * read lock.  Holding the latch ensures that the INs won't change
             * underneath us because of splits or eviction.
       */
      locker = new BasicLocker(env);
      LockGrantType lock = locker.nonBlockingReadLock(nodeId, db);
      if (lock == LockGrantType.DENIED) {


    /* 
     * LN is currently locked by another Locker, so we can't assume
      * anything about the value of the LSN in the bin.  However,

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             * current LN's node if a slot is reused.  We must lock the current
             * node to guard against aborts.
             */
            if (lockedPendingNodeId != ln.getNodeId()) {
                locker = new BasicLocker(env);
                LockGrantType lock = locker.nonBlockingReadLock
                    (ln.getNodeId(), db);
                if (lock == LockGrantType.DENIED) {


                    /* 
                     * LN is currently locked by another Locker, so we can't

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                    if (n == null) {
                        /* Cleaner deleted the log file.  Compress this LN. */
                        deleteEntry = true;
                    } else if (isEntryKnownDeleted(i)) {
                        LockGrantType lockRet =
                            lockingTxn.nonBlockingReadLock(n.getNodeId(), db);
                        if (lockRet == LockGrantType.DENIED) {
                            anyLocksDenied = true;
                            continue;
                        }


                        deleteEntry = true;
                    } else {
                        if (!n.containsDuplicates()) {
                            LN ln = (LN) n;
                            LockGrantType lockRet =
                                lockingTxn.nonBlockingReadLock(ln.getNodeId(),
                     db);
                            if (lockRet == LockGrantType.DENIED) {
                                anyLocksDenied = true;
                                continue;

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                    if (n == null) {
                        /* Cleaner deleted the log file.  Compress this LN. */
                        deleteEntry = true;
                    } else if (isEntryKnownDeleted(i)) {
                        LockGrantType lockRet =
                            lockingTxn.nonBlockingReadLock(n.getNodeId(), db);
                        if (lockRet == LockGrantType.DENIED) {
                            anyLocksDenied = true;
                            continue;
                        }


                        deleteEntry = true;
                    } else {
                        if (!n.containsDuplicates()) {
                            LN ln = (LN) n;
                            LockGrantType lockRet =
                                lockingTxn.nonBlockingReadLock(ln.getNodeId(),
                     db);
                            if (lockRet == LockGrantType.DENIED) {
                                anyLocksDenied = true;
                                continue;

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Related Classes of com.sleepycat.je.txn.LockGrantType

com.sleepycat.je.cleaner.Cleaner

com.sleepycat.je.dbi.CursorImpl

com.sleepycat.je.tree.BIN

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