Examples with EntityDataProvider org.apache.stanbol.entityhub.indexing.core.EntityDataProvider used on opensource projects

Example 1 with EntityDataProvider

use of org.apache.stanbol.entityhub.indexing.core.EntityDataProvider in project stanbol by apache.

the class RdfIndexingSourceTest method testEntityDataProvider.

@Test
public void testEntityDataProvider() {
    log.info(" --- testEntityDataProvider ---");
    String testName = "provider";
    IndexingConfig config = new IndexingConfig(CONFIG_ROOT + File.separatorChar + testName, CONFIG_ROOT + '/' + testName) {
    };
    EntityIterator entityIdIterator = config.getEntityIdIterator();
    assertNotNull("Unable to perform test whithout EntityIterator", entityIdIterator);
    if (entityIdIterator.needsInitialisation()) {
        entityIdIterator.initialise();
    }
    EntityDataProvider dataProvider = config.getEntityDataProvider();
    try {
        assertNotNull(dataProvider);
        if (dataProvider.needsInitialisation()) {
            dataProvider.initialise();
        }
        assertEquals(dataProvider.getClass(), RdfIndexingSource.class);
        long count = 0;
        while (entityIdIterator.hasNext()) {
            EntityScore entityScore = entityIdIterator.next();
            assertNotNull(entityScore);
            assertNotNull(entityScore.id);
            validateRepresentation(dataProvider.getEntityData(entityScore.id), entityScore.id);
            count++;
        }
        // check if all entities where found
        assertEquals(String.format("%s Entities expected but %s processed!", NUMBER_OF_ENTITIES_EXPECTED, count), NUMBER_OF_ENTITIES_EXPECTED, count);
    } finally {
        // we need to ensure close is called as otherwise other tests might fail
        dataProvider.close();
    }
}

Example 2 with EntityDataProvider

use of org.apache.stanbol.entityhub.indexing.core.EntityDataProvider in project stanbol by apache.

the class RdfIndexingSourceTest method testQuadsImport.

/**
 * Tests support for Quads (STANBOL-764)
 */
@Test
public void testQuadsImport() {
    log.info(" --- testQuadsImport ---");
    String testName = "quads";
    IndexingConfig config = new IndexingConfig(CONFIG_ROOT + File.separatorChar + testName, CONFIG_ROOT + '/' + testName) {
    };
    EntityIterator entityIdIterator = config.getEntityIdIterator();
    assertNotNull("Unable to perform test whithout EntityIterator", entityIdIterator);
    if (entityIdIterator.needsInitialisation()) {
        entityIdIterator.initialise();
    }
    EntityDataProvider dataProvider = config.getEntityDataProvider();
    assertNotNull(dataProvider);
    // there are test data to load
    assertTrue(dataProvider.needsInitialisation());
    dataProvider.initialise();
    assertEquals(dataProvider.getClass(), RdfIndexingSource.class);
    long count = 0;
    while (entityIdIterator.hasNext()) {
        EntityScore entityScore = entityIdIterator.next();
        assertNotNull(entityScore);
        assertNotNull(entityScore.id);
        validateRepresentation(dataProvider.getEntityData(entityScore.id), entityScore.id);
        count++;
    }
    // check if all 9 entities where imported to the default dataset
    // (and not named graphs)
    assertEquals(String.format("%s Entities expected but %s processed!", 9, count), 9, count);
}

Example 3 with EntityDataProvider

use of org.apache.stanbol.entityhub.indexing.core.EntityDataProvider in project stanbol by apache.

the class RdfIndexingSourceTest method testEntityDataProvider.

@Test
public void testEntityDataProvider() {
    log.info(" --- testEntityDataProvider ---");
    String testName = "provider";
    IndexingConfig config = new IndexingConfig(CONFIG_ROOT + File.separatorChar + testName, CONFIG_ROOT + '/' + testName) {
    };
    EntityIterator entityIdIterator = config.getEntityIdIterator();
    assertNotNull("Unable to perform test whithout EntityIterator", entityIdIterator);
    if (entityIdIterator.needsInitialisation()) {
        entityIdIterator.initialise();
    }
    EntityDataProvider dataProvider = config.getEntityDataProvider();
    assertNotNull(dataProvider);
    // there are test data to load
    assertTrue(dataProvider.needsInitialisation());
    dataProvider.initialise();
    assertEquals(dataProvider.getClass(), RdfIndexingSource.class);
    long count = 0;
    while (entityIdIterator.hasNext()) {
        EntityScore entityScore = entityIdIterator.next();
        assertNotNull(entityScore);
        assertNotNull(entityScore.id);
        validateRepresentation(dataProvider.getEntityData(entityScore.id), entityScore.id);
        count++;
    }
    // check if all entities where found
    assertEquals(String.format("%s Entities expected but %s processed!", NUMBER_OF_ENTITIES_EXPECTED, count), NUMBER_OF_ENTITIES_EXPECTED, count);
}

Example 4 with EntityDataProvider

use of org.apache.stanbol.entityhub.indexing.core.EntityDataProvider in project stanbol by apache.

the class IndexerImpl method postProcessEntities.

@Override
public void postProcessEntities() {
    synchronized (stateSync) {
        // ensure that two threads do not start the
        // initialisation at the same time ...
        State state = getState();
        if (state.ordinal() < State.INDEXED.ordinal()) {
            throw new IllegalStateException("The Indexer MUST BE already " + State.INDEXED + " when calling this Method!");
        }
        if (state != State.INDEXED) {
            // ignore this call
            return;
        }
        setState(State.POSTPROCESSING);
        log.info("{}: PostProcessing started ...", name);
    }
    if (entityPostProcessors == null || entityPostProcessors.isEmpty()) {
        setState(State.POSTPROCESSED);
        // nothing to do
        return;
    }
    // init the post processing components
    // use an EntityDataProvider based on the indexed data
    EntityDataProvider dataProvider = new YardEntityDataProvider(indexingDestination.getYard());
    // use an LineBasedEntityIterator to iterate over the indexed entity ids
    EntityIterator entityIterator;
    try {
        entityIterator = new LineBasedEntityIterator(getEntityIdFileInputStream(), "UTF-8", null);
    } catch (IOException e) {
        throw new IllegalStateException("Unable to open file containing the " + "IDs of the indexed Entities!", e);
    }
    Map<String, Object> config = new HashMap<String, Object>();
    config.put(LineBasedEntityIterator.PARAM_ID_POS, 1);
    config.put(LineBasedEntityIterator.PARAM_SCORE_POS, Integer.MAX_VALUE);
    entityIterator.setConfiguration(config);
    // does not really make sense for processors
    for (EntityProcessor processor : entityPostProcessors) {
        if (processor.needsInitialisation()) {
            processor.initialise();
        }
    }
    // NOTE the destination needs not to be initialised -> it will be the same
    // as for indexing!
    // initialisation complete ... now setup the poet processing
    // init the queues
    int queueSize = Math.max(MIN_QUEUE_SIZE, chunkSize * 2);
    BlockingQueue<QueueItem<Representation>> indexedEntityQueue = new ArrayBlockingQueue<QueueItem<Representation>>(queueSize);
    BlockingQueue<QueueItem<Representation>> processedEntityQueue = new ArrayBlockingQueue<QueueItem<Representation>>(queueSize);
    BlockingQueue<QueueItem<Representation>> finishedEntityQueue = new ArrayBlockingQueue<QueueItem<Representation>>(queueSize);
    BlockingQueue<QueueItem<IndexingError>> errorEntityQueue = new ArrayBlockingQueue<QueueItem<IndexingError>>(queueSize);
    // Set holding all active post processing deamons
    final SortedSet<IndexingDaemon<?, ?>> activeIndexingDeamons = new TreeSet<IndexingDaemon<?, ?>>();
    // create the IndexingDaemos
    // TODO: Here we would need to create multiple instances in case
    // one would e.g. like to use several threads for processing entities
    // (1) the daemon reading from the IndexingSources
    String entitySourceReaderName = name + ": post-processing: Entity Reader Deamon";
    activeIndexingDeamons.add(new EntityIdBasedIndexingDaemon(entitySourceReaderName, indexedEntityQueue, errorEntityQueue, entityIterator, dataProvider, // no score normaliser
    null, // post-process all indexed entities
    true));
    // (2) The daemon for post-processing the entities
    activeIndexingDeamons.add(new EntityProcessorRunnable(name + ": post-processing: Entity Processor Deamon", // it consumes indexed Entities
    indexedEntityQueue, // it produces processed Entities
    processedEntityQueue, errorEntityQueue, entityPostProcessors, // parsed by the used LineBasedEntityIterator!
    Collections.singleton(// ensure the score not changed
    SCORE_FIELD)));
    // (3) The daemon for persisting the entities
    activeIndexingDeamons.add(new EntityPersisterRunnable(name + ": Entity Perstisting Deamon", // it consumes processed Entities
    processedEntityQueue, // it produces finished Entities
    finishedEntityQueue, errorEntityQueue, chunkSize, indexingDestination.getYard()));
    // (4) The daemon for logging finished entities
    activeIndexingDeamons.add(new FinishedEntityDaemon(name + ": Finished Entity Logger Deamon", finishedEntityQueue, -1, log, // we have already all entity ids!
    null));
    // (5) The daemon for logging errors
    activeIndexingDeamons.add(new EntityErrorLoggerDaemon(name + ": Entity Error Logging Daemon", errorEntityQueue, log));
    // start post-processing and wait until it has finished
    startAndWait(activeIndexingDeamons);
    // close all post processors
    for (EntityProcessor ep : entityPostProcessors) {
        ep.close();
    }
    setState(State.POSTPROCESSED);
}