Examples with Commit io.atomix.primitive.service.Commit used on opensource projects

Example 1 with Commit

use of io.atomix.primitive.service.Commit in project atomix by atomix.

the class PrimaryElectorService method enter.

/**
 * Applies an {@link PrimaryElectorOperations.Enter} commit.
 *
 * @param commit commit entry
 * @return topic leader. If no previous leader existed this is the node that just entered the race.
 */
protected PrimaryTerm enter(Commit<? extends PrimaryElectorOperations.Enter> commit) {
    try {
        PartitionId partitionId = commit.value().partitionId();
        PrimaryTerm oldTerm = term(partitionId);
        Registration registration = new Registration(commit.value().member(), commit.session().sessionId().id());
        PrimaryTerm newTerm = elections.compute(partitionId, (k, v) -> {
            if (v == null) {
                return new ElectionState(partitionId, registration, elections);
            } else {
                if (!v.isDuplicate(registration)) {
                    return new ElectionState(v).addRegistration(registration);
                } else {
                    return v;
                }
            }
        }).term();
        if (!Objects.equals(oldTerm, newTerm)) {
            notifyTermChange(partitionId, newTerm);
            scheduleRebalance();
        }
        return newTerm;
    } catch (Exception e) {
        getLogger().error("State machine operation failed", e);
        throw Throwables.propagate(e);
    }
}

Example 2 with Commit

use of io.atomix.primitive.service.Commit in project atomix by atomix.

the class ConsistentMapService method rollback.

/**
 * Handles an rollback commit (ha!).
 *
 * @param commit transaction rollback commit
 * @return rollback result
 */
protected RollbackResult rollback(Commit<? extends TransactionRollback> commit) {
    TransactionId transactionId = commit.value().transactionId();
    TransactionScope transactionScope = activeTransactions.remove(transactionId);
    if (transactionScope == null) {
        return RollbackResult.UNKNOWN_TRANSACTION_ID;
    } else if (!transactionScope.isPrepared()) {
        discardTombstones();
        return RollbackResult.OK;
    } else {
        try {
            transactionScope.transactionLog().records().forEach(record -> {
                if (record.type() != MapUpdate.Type.VERSION_MATCH) {
                    preparedKeys.remove(record.key());
                }
            });
            return RollbackResult.OK;
        } finally {
            discardTombstones();
        }
    }
}

Example 3 with Commit

use of io.atomix.primitive.service.Commit in project atomix by atomix.

the class DocumentTreeService method listen.

protected void listen(Commit<? extends Listen> commit) {
    Long sessionId = commit.session().sessionId().id();
    listeners.computeIfAbsent(sessionId, k -> new SessionListenCommits()).add(new Listener(commit.session(), commit.value().path()));
}