Examples with ReplicationMessageList dvoraka.avservice.client.service.response.ReplicationMessageList used on opensource projects

Example 6 with ReplicationMessageList

use of dvoraka.avservice.client.service.response.ReplicationMessageList in project av-service by dvoraka.

the class DefaultReplicationService method whoHas.

/**
     * Returns a set of neighbour IDs with a given file.
     *
     * @param filename the filename
     * @param owner    the owner
     * @return the set of IDs
     */
public Set<String> whoHas(String filename, String owner) {
    ReplicationMessage query = createExistsRequest(filename, owner, nodeId);
    serviceClient.sendMessage(query);
    Optional<ReplicationMessageList> response;
    response = responseClient.getResponseWaitSize(query.getId(), MAX_RESPONSE_TIME, neighbourCount());
    ReplicationMessageList messages = response.orElseGet(ReplicationMessageList::new);
    return messages.stream().filter(message -> message.getReplicationStatus() == ReplicationStatus.OK).map(ReplicationMessage::getFromId).collect(Collectors.toSet());
}

Example 7 with ReplicationMessageList

use of dvoraka.avservice.client.service.response.ReplicationMessageList in project av-service by dvoraka.

the class DefaultReplicationService method loadFile.

@Override
public FileMessage loadFile(FileMessage message) throws FileServiceException {
    log.debug("Load ({}): {}", nodeId, message);
    int neighbours = neighbourCount();
    try {
        if (remoteLock.lockForFile(message.getFilename(), message.getOwner(), neighbours)) {
            if (localCopyExists(message)) {
                log.debug("Loading locally...");
                return fileService.loadFile(message);
            }
            if (exists(message)) {
                log.debug("Loading remotely {}...", idString);
                sendLoadMessage(message);
                Optional<ReplicationMessageList> replicationMessages = responseClient.getResponseWait(message.getId(), MAX_RESPONSE_TIME);
                ReplicationMessageList messages = replicationMessages.orElseGet(ReplicationMessageList::new);
                return messages.stream().filter(msg -> msg.getReplicationStatus() == ReplicationStatus.OK).peek(m -> log.debug("Load success {}.", idString)).findFirst().orElseThrow(FileNotFoundException::new);
            }
            log.debug("Loading failed {}.", idString);
            throw new FileNotFoundException();
        } else {
            log.warn("Load lock problem for {}: {}", idString, message);
            throw new CannotAcquireLockException();
        }
    } catch (InterruptedException e) {
        log.warn("Locking interrupted!", e);
        Thread.currentThread().interrupt();
    } finally {
        remoteLock.unlockForFile(message.getFilename(), message.getOwner(), neighbours);
    }
    throw new FileNotFoundException();
}