Examples with IAsyncResult org.apache.cassandra.net.IAsyncResult used on opensource projects

Example 1 with IAsyncResult

use of org.apache.cassandra.net.IAsyncResult in project eiger by wlloyd.

the class RowRepairResolver method scheduleRepairs.

/**
     * For each row version, compare with resolved (the superset of all row versions);
     * if it is missing anything, send a mutation to the endpoint it come from.
     */
public static List<IAsyncResult> scheduleRepairs(ColumnFamily resolved, String table, DecoratedKey<?> key, List<ColumnFamily> versions, List<InetAddress> endpoints) {
    List<IAsyncResult> results = new ArrayList<IAsyncResult>(versions.size());
    for (int i = 0; i < versions.size(); i++) {
        ColumnFamily diffCf = ColumnFamily.diff(versions.get(i), resolved);
        if (// no repair needs to happen
        diffCf == null)
            continue;
        // create and send the row mutation message based on the diff
        RowMutation rowMutation = new RowMutation(table, key.key);
        rowMutation.add(diffCf);
        Message repairMessage;
        try {
            // use a separate verb here because we don't want these to be get the white glove hint-
            // on-timeout behavior that a "real" mutation gets
            repairMessage = rowMutation.getMessage(StorageService.Verb.READ_REPAIR, Gossiper.instance.getVersion(endpoints.get(i)));
        } catch (IOException e) {
            throw new IOError(e);
        }
        results.add(MessagingService.instance().sendRR(repairMessage, endpoints.get(i)));
    }
    return results;
}

Example 2 with IAsyncResult

use of org.apache.cassandra.net.IAsyncResult in project eiger by wlloyd.

the class StorageService method sendReplicationNotification.

/**
     * Sends a notification to a node indicating we have finished replicating data.
     *
     * @param local the local address
     * @param remote node to send notification to
     */
private void sendReplicationNotification(InetAddress local, InetAddress remote) {
    // notify the remote token
    Message msg = new Message(local, StorageService.Verb.REPLICATION_FINISHED, new byte[0], Gossiper.instance.getVersion(remote));
    IFailureDetector failureDetector = FailureDetector.instance;
    if (logger_.isDebugEnabled())
        logger_.debug("Notifying " + remote.toString() + " of replication completion\n");
    while (failureDetector.isAlive(remote)) {
        IAsyncResult iar = MessagingService.instance().sendRR(msg, remote);
        try {
            iar.get(DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);
            // done
            return;
        } catch (TimeoutException e) {
        // try again
        }
    }
}