Examples with SystemStreamPartition org.apache.samza.system.SystemStreamPartition used on opensource projects

Example 41 with SystemStreamPartition

use of org.apache.samza.system.SystemStreamPartition in project samza by apache.

the class TaskConfigJava method getBroadcastSystemStreams.

/**
   * Get the SystemStreams for the configured broadcast streams.
   *
   * @return the set of SystemStreams for which there are broadcast stream SSPs configured.
   */
public Set<SystemStream> getBroadcastSystemStreams() {
    Set<SystemStream> broadcastSS = new HashSet<>();
    Set<SystemStreamPartition> broadcastSSPs = getBroadcastSystemStreamPartitions();
    for (SystemStreamPartition bssp : broadcastSSPs) {
        broadcastSS.add(bssp.getSystemStream());
    }
    return Collections.unmodifiableSet(broadcastSS);
}

Example 42 with SystemStreamPartition

use of org.apache.samza.system.SystemStreamPartition in project samza by apache.

the class TaskConfigJava method getBroadcastSystemStreamPartitions.

/**
   * Get the systemStreamPartitions of the broadcast stream. Specifying
   * one partition for one stream or a range of the partitions for one
   * stream is allowed.
   *
   * @return a Set of SystemStreamPartitions
   */
public Set<SystemStreamPartition> getBroadcastSystemStreamPartitions() {
    HashSet<SystemStreamPartition> systemStreamPartitionSet = new HashSet<SystemStreamPartition>();
    List<String> systemStreamPartitions = getList(BROADCAST_INPUT_STREAMS, Collections.<String>emptyList());
    for (String systemStreamPartition : systemStreamPartitions) {
        int hashPosition = systemStreamPartition.indexOf("#");
        if (hashPosition == -1) {
            throw new IllegalArgumentException("incorrect format in " + systemStreamPartition + ". Broadcast stream names should be in the form 'system.stream#partitionId' or 'system.stream#[partitionN-partitionM]'");
        } else {
            String systemStreamName = systemStreamPartition.substring(0, hashPosition);
            String partitionSegment = systemStreamPartition.substring(hashPosition + 1);
            SystemStream systemStream = Util.getSystemStreamFromNames(systemStreamName);
            if (Pattern.matches(BROADCAST_STREAM_PATTERN, partitionSegment)) {
                systemStreamPartitionSet.add(new SystemStreamPartition(systemStream, new Partition(Integer.valueOf(partitionSegment))));
            } else {
                if (Pattern.matches(BROADCAST_STREAM_RANGE_PATTERN, partitionSegment)) {
                    int partitionStart = Integer.valueOf(partitionSegment.substring(1, partitionSegment.lastIndexOf("-")));
                    int partitionEnd = Integer.valueOf(partitionSegment.substring(partitionSegment.lastIndexOf("-") + 1, partitionSegment.indexOf("]")));
                    if (partitionStart > partitionEnd) {
                        LOGGER.warn("The starting partition in stream " + systemStream.toString() + " is bigger than the ending Partition. No partition is added");
                    }
                    for (int i = partitionStart; i <= partitionEnd; i++) {
                        systemStreamPartitionSet.add(new SystemStreamPartition(systemStream, new Partition(i)));
                    }
                } else {
                    throw new IllegalArgumentException("incorrect format in " + systemStreamPartition + ". Broadcast stream names should be in the form 'system.stream#partitionId' or 'system.stream#[partitionN-partitionM]'");
                }
            }
        }
    }
    return systemStreamPartitionSet;
}

Example 43 with SystemStreamPartition

use of org.apache.samza.system.SystemStreamPartition in project samza by apache.

the class StorageRecovery method getTaskStorageManagers.

/**
   * create one TaskStorageManager for each task. Add all of them to the
   * List<TaskStorageManager>
   */
@SuppressWarnings({ "unchecked", "rawtypes" })
private void getTaskStorageManagers() {
    StreamMetadataCache streamMetadataCache = new StreamMetadataCache(Util.javaMapAsScalaMap(systemAdmins), 5000, SystemClock.instance());
    for (ContainerModel containerModel : containers.values()) {
        HashMap<String, StorageEngine> taskStores = new HashMap<String, StorageEngine>();
        SamzaContainerContext containerContext = new SamzaContainerContext(containerModel.getProcessorId(), jobConfig, containerModel.getTasks().keySet());
        for (TaskModel taskModel : containerModel.getTasks().values()) {
            HashMap<String, SystemConsumer> storeConsumers = getStoreConsumers();
            for (Entry<String, StorageEngineFactory<?, ?>> entry : storageEngineFactories.entrySet()) {
                String storeName = entry.getKey();
                if (changeLogSystemStreams.containsKey(storeName)) {
                    SystemStreamPartition changeLogSystemStreamPartition = new SystemStreamPartition(changeLogSystemStreams.get(storeName), taskModel.getChangelogPartition());
                    File storePartitionDir = TaskStorageManager.getStorePartitionDir(storeBaseDir, storeName, taskModel.getTaskName());
                    log.info("Got storage engine directory: " + storePartitionDir);
                    StorageEngine storageEngine = (entry.getValue()).getStorageEngine(storeName, storePartitionDir, (Serde) new ByteSerde(), (Serde) new ByteSerde(), null, new MetricsRegistryMap(), changeLogSystemStreamPartition, containerContext);
                    taskStores.put(storeName, storageEngine);
                }
            }
            TaskStorageManager taskStorageManager = new TaskStorageManager(taskModel.getTaskName(), Util.javaMapAsScalaMap(taskStores), Util.javaMapAsScalaMap(storeConsumers), Util.javaMapAsScalaMap(changeLogSystemStreams), maxPartitionNumber, streamMetadataCache, storeBaseDir, storeBaseDir, taskModel.getChangelogPartition(), Util.javaMapAsScalaMap(systemAdmins), new StorageConfig(jobConfig).getChangeLogDeleteRetentionsInMs(), new SystemClock());
            taskStorageManagers.add(taskStorageManager);
        }
    }
}