Examples with StructuredRow io.cdap.cdap.spi.data.StructuredRow used on opensource projects

Example 6 with StructuredRow

use of io.cdap.cdap.spi.data.StructuredRow in project cdap by caskdata.

the class UsageTable method getDatasetsFromPrefix.

private Set<DatasetId> getDatasetsFromPrefix(List<Field<?>> prefix) throws IOException {
    Set<DatasetId> datasets = new HashSet<>();
    try (CloseableIterator<StructuredRow> iterator = table.scan(Range.singleton(prefix), Integer.MAX_VALUE)) {
        while (iterator.hasNext()) {
            StructuredRow row = iterator.next();
            datasets.add(GSON.fromJson(row.getString(StoreDefinition.UsageStore.DATASET_FIELD), DatasetKey.class).getDataset());
        }
    }
    return datasets;
}

Example 7 with StructuredRow

use of io.cdap.cdap.spi.data.StructuredRow in project cdap by caskdata.

the class ArtifactStore method getApplicationClasses.

/**
 * Get all application classes that belong to the specified namespace.
 * Results are returned as a sorted map from artifact to application classes in that artifact.
 * Map entries are sorted by the artifact.
 *
 * @param namespace the namespace from which to get application classes
 * @return an unmodifiable map of artifact to a list of all application classes in that artifact.
 *         The map will never be null. If there are no application classes, an empty map will be returned.
 */
public SortedMap<ArtifactDescriptor, List<ApplicationClass>> getApplicationClasses(NamespaceId namespace) {
    return TransactionRunners.run(transactionRunner, context -> {
        SortedMap<ArtifactDescriptor, List<ApplicationClass>> result = Maps.newTreeMap();
        StructuredTable table = getTable(context, StoreDefinition.ArtifactStore.APP_DATA_TABLE);
        Collection<Field<?>> keys = Collections.singleton(Fields.stringField(StoreDefinition.ArtifactStore.NAMESPACE_FIELD, namespace.getNamespace()));
        try (CloseableIterator<StructuredRow> iterator = table.scan(Range.singleton(keys), Integer.MAX_VALUE)) {
            while (iterator.hasNext()) {
                StructuredRow row = iterator.next();
                Map.Entry<ArtifactDescriptor, ApplicationClass> entry = extractApplicationClass(row);
                List<ApplicationClass> existingAppClasses = result.computeIfAbsent(entry.getKey(), k -> new ArrayList<>());
                existingAppClasses.add(entry.getValue());
            }
        }
        return Collections.unmodifiableSortedMap(result);
    });
}

Example 8 with StructuredRow

use of io.cdap.cdap.spi.data.StructuredRow in project cdap by caskdata.

the class ArtifactStore method addPluginsInRangeToMap.

private void addPluginsInRangeToMap(final NamespaceId namespace, List<Id.Artifact> parentArtifacts, Iterator<StructuredRow> iterator, SortedMap<ArtifactDescriptor, PluginClass> plugins, @Nullable Predicate<io.cdap.cdap.proto.id.ArtifactId> range, int limit) {
    // if predicate is null,
    // filter out plugins whose artifacts are not in the system namespace and not in this namespace
    range = range != null ? range : input -> NamespaceId.SYSTEM.equals(input.getParent()) || input.getParent().equals(namespace);
    while (iterator.hasNext()) {
        StructuredRow row = iterator.next();
        ImmutablePair<ArtifactDescriptor, PluginData> pluginPair = getPlugin(row, range);
        if (pluginPair == null) {
            continue;
        }
        PluginData pluginData = pluginPair.getSecond();
        // filter out plugins that don't extend this version of the parent artifact
        for (Id.Artifact parentArtifactId : parentArtifacts) {
            if (pluginData.isUsableBy(parentArtifactId.toEntityId()) && isAllowed(pluginData.pluginClass)) {
                plugins.put(pluginPair.getFirst(), pluginData.pluginClass);
                break;
            }
        }
        if (limit < plugins.size()) {
            plugins.remove(plugins.lastKey());
        }
    }
}

Example 9 with StructuredRow

use of io.cdap.cdap.spi.data.StructuredRow in project cdap by caskdata.

the class ArtifactStore method getApplicationClasses.

/**
 * Get all application classes that belong to the specified namespace of the specified classname.
 * Results are returned as a sorted map from artifact to application classes in that artifact.
 * Map entries are sorted by the artifact.
 *
 * @param namespace the namespace from which to get application classes
 * @param className the classname of application classes to get
 * @return an unmodifiable map of artifact the application classes in that artifact.
 *         The map will never be null. If there are no application classes, an empty map will be returned.
 */
public SortedMap<ArtifactDescriptor, ApplicationClass> getApplicationClasses(final NamespaceId namespace, final String className) {
    return TransactionRunners.run(transactionRunner, context -> {
        StructuredTable table = getTable(context, StoreDefinition.ArtifactStore.APP_DATA_TABLE);
        SortedMap<ArtifactDescriptor, ApplicationClass> result = Maps.newTreeMap();
        Collection<Field<?>> keys = ImmutableList.of(Fields.stringField(StoreDefinition.ArtifactStore.NAMESPACE_FIELD, namespace.getNamespace()), Fields.stringField(StoreDefinition.ArtifactStore.CLASS_NAME_FIELD, className));
        try (CloseableIterator<StructuredRow> iterator = table.scan(Range.singleton(keys), Integer.MAX_VALUE)) {
            while (iterator.hasNext()) {
                StructuredRow row = iterator.next();
                Map.Entry<ArtifactDescriptor, ApplicationClass> entry = extractApplicationClass(row);
                result.put(entry.getKey(), entry.getValue());
            }
        }
        return Collections.unmodifiableSortedMap(result);
    });
}

Example 10 with StructuredRow

use of io.cdap.cdap.spi.data.StructuredRow in project cdap by caskdata.

the class ArtifactStore method getPluginClasses.

/**
 * Get all plugin classes of the given type that extend the given parent artifact.
 * Results are returned as a map from plugin artifact to plugins in that artifact.
 *
 * @param namespace the namespace to search for plugins. The system namespace is always included
 * @param parentArtifactId the id of the artifact to find plugins for
 * @param type the type of plugin to look for or {@code null} for matching any type
 * @return an unmodifiable map of plugin artifact to plugin classes for all plugin classes accessible by the
 *         given artifact. The map will never be null. If there are no plugin classes, an empty map will be returned.
 * @throws ArtifactNotFoundException if the artifact to find plugins for does not exist
 * @throws IOException if there was an exception reading metadata from the metastore
 */
public SortedMap<ArtifactDescriptor, Set<PluginClass>> getPluginClasses(NamespaceId namespace, Id.Artifact parentArtifactId, @Nullable String type) throws ArtifactNotFoundException, IOException {
    return TransactionRunners.run(transactionRunner, context -> {
        StructuredTable artifactDataTable = getTable(context, StoreDefinition.ArtifactStore.ARTIFACT_DATA_TABLE);
        SortedMap<ArtifactDescriptor, Set<PluginClass>> plugins = getPluginsInArtifact(artifactDataTable, parentArtifactId, input -> (type == null || type.equals(input.getType())) && isAllowed(input));
        // Scan plugins
        StructuredTable pluginTable = getTable(context, StoreDefinition.ArtifactStore.PLUGIN_DATA_TABLE);
        try (CloseableIterator<StructuredRow> iterator = pluginTable.scan(createPluginScanRange(parentArtifactId, type), Integer.MAX_VALUE)) {
            while (iterator.hasNext()) {
                StructuredRow row = iterator.next();
                addPluginToMap(namespace, parentArtifactId, plugins, row);
            }
        }
        // Scan universal plugins
        StructuredTable uniPluginTable = getTable(context, StoreDefinition.ArtifactStore.UNIV_PLUGIN_DATA_TABLE);
        List<Range> ranges = Arrays.asList(createUniversalPluginScanRange(namespace.getNamespace(), type), createUniversalPluginScanRange(NamespaceId.SYSTEM.getNamespace(), type));
        for (Range range : ranges) {
            try (CloseableIterator<StructuredRow> iterator = uniPluginTable.scan(range, Integer.MAX_VALUE)) {
                while (iterator.hasNext()) {
                    StructuredRow row = iterator.next();
                    addPluginToMap(namespace, parentArtifactId, plugins, row);
                }
            }
        }
        return Collections.unmodifiableSortedMap(plugins);
    }, ArtifactNotFoundException.class, IOException.class);
}