List of nonBlockingLock() Examples

Examples of nonBlockingLock()

com.sleepycat.je.txn.BasicLocker.nonBlockingLock()

Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()

                 * 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);
                LockResult lockRet = locker.nonBlockingLock
                    (nodeId, LockType.READ, db);
                if (lockRet.getLockGrant() == LockGrantType.DENIED) {


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

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Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()

            assert tree != null;


            /* Get a non-blocking lock on the original node ID. */


      locker = new BasicLocker(env);
            LockResult lockRet = locker.nonBlockingLock
                (ln.getNodeId(), LockType.READ, db);
            if (lockRet.getLockGrant() == LockGrantType.DENIED) {
                /* Try again later. */
                nPendingLNsLocked++;
                lockDenied = true;

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Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()

             * 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);
                LockResult lockRet = locker.nonBlockingLock
                    (ln.getNodeId(), LockType.READ, db);
                if (lockRet.getLockGrant() == LockGrantType.DENIED) {


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

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Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()

             * Get a non-blocking read lock on the LN, if this is not an
             * already locked pending node.
             */
            if (lockedPendingNodeId != ln.getNodeId()) {
                locker = new BasicLocker(env);
                LockResult lockRet = locker.nonBlockingLock
                    (ln.getNodeId(), LockType.READ, db);
                if (lockRet.getLockGrant() == LockGrantType.DENIED) {


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

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Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()

             * writers in the tree. XXX: This seems unnecessary now, revisit.
             */
            ChildReference dclRef = duplicateRoot.getDupCountLNRef();
            dcl = (DupCountLN)  dclRef.fetchTarget(database, duplicateRoot);
            
            LockResult lockResult = locker.nonBlockingLock(dcl.getNodeId(),
                                                           LockType.READ,
                                                           database);
            if (lockResult.getLockGrant() == LockGrantType.DENIED) {
                throw CursorsExistException.CURSORS_EXIST;
            } else {

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Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()


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

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Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()


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

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Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()

                 * attempt to acquire a non-blocking read lock.
                 */
                locker = BasicLocker.createBasicLocker(env, false /*noWait*/);
                /* Don't allow this short-lived lock to be preempted/stolen. */
                locker.setPreemptable(false);
                LockResult lockRet = locker.nonBlockingLock
                    (nodeId, LockType.READ, db);
                if (lockRet.getLockGrant() == LockGrantType.DENIED) {


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

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Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()

            /* Get a non-blocking lock on the original node ID. */


            locker = BasicLocker.createBasicLocker(env, false /*noWait*/);
            /* Don't allow this short-lived lock to be preempted/stolen. */
            locker.setPreemptable(false);
            LockResult lockRet = locker.nonBlockingLock
                (ln.getNodeId(), LockType.READ, db);
            if (lockRet.getLockGrant() == LockGrantType.DENIED) {
                /* Try again later. */
                nPendingLNsLocked.increment();
                lockDenied = true;

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Examples of com.sleepycat.je.txn.BasicLocker.nonBlockingLock()

             */
            if (lockedPendingNodeId != ln.getNodeId()) {
                locker = BasicLocker.createBasicLocker(env, false /*noWait*/);
                /* Don't allow this short-lived lock to be preempted/stolen. */
                locker.setPreemptable(false);
                LockResult lockRet = locker.nonBlockingLock
                    (ln.getNodeId(), LockType.READ, db);
                if (lockRet.getLockGrant() == LockGrantType.DENIED) {


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

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