Examples with OptimisticLockFailedException org.opendaylight.mdsal.common.api.OptimisticLockFailedException used on opensource projects

Example 1 with OptimisticLockFailedException

use of org.opendaylight.mdsal.common.api.OptimisticLockFailedException in project controller by opendaylight.

the class ShardDataTree method processNextPendingTransaction.

@SuppressWarnings("checkstyle:IllegalCatch")
private void processNextPendingTransaction() {
    ++currentTransactionBatch;
    if (currentTransactionBatch > MAX_TRANSACTION_BATCH) {
        LOG.debug("{}: Already processed {}, scheduling continuation", logContext, currentTransactionBatch);
        shard.scheduleNextPendingTransaction();
        return;
    }
    processNextPending(pendingTransactions, State.CAN_COMMIT_PENDING, entry -> {
        final SimpleShardDataTreeCohort cohort = entry.cohort;
        final DataTreeModification modification = cohort.getDataTreeModification();
        LOG.debug("{}: Validating transaction {}", logContext, cohort.getIdentifier());
        Exception cause;
        try {
            tip.validate(modification);
            LOG.debug("{}: Transaction {} validated", logContext, cohort.getIdentifier());
            cohort.successfulCanCommit();
            entry.lastAccess = readTime();
            return;
        } catch (ConflictingModificationAppliedException e) {
            LOG.warn("{}: Store Tx {}: Conflicting modification for path {}.", logContext, cohort.getIdentifier(), e.getPath());
            cause = new OptimisticLockFailedException("Optimistic lock failed.", e);
        } catch (DataValidationFailedException e) {
            LOG.warn("{}: Store Tx {}: Data validation failed for path {}.", logContext, cohort.getIdentifier(), e.getPath(), e);
            // For debugging purposes, allow dumping of the modification. Coupled with the above
            // precondition log, it should allow us to understand what went on.
            LOG.debug("{}: Store Tx {}: modifications: {} tree: {}", cohort.getIdentifier(), modification, dataTree);
            cause = new TransactionCommitFailedException("Data did not pass validation.", e);
        } catch (Exception e) {
            LOG.warn("{}: Unexpected failure in validation phase", logContext, e);
            cause = e;
        }
        // Failure path: propagate the failure, remove the transaction from the queue and loop to the next one
        pendingTransactions.poll().cohort.failedCanCommit(cause);
    });
}