Example usage for org.apache.lucene.util NamedThreadFactory NamedThreadFactory

Introduction

In this page you can find the example usage for org.apache.lucene.util NamedThreadFactory NamedThreadFactory.

Prototype

public NamedThreadFactory(String threadNamePrefix) 

Source Link

Document

Creates a new NamedThreadFactory instance

Usage

From source file:com.sindicetech.siren.util.SirenTestCase.java

License:Open Source License

/**
 * Create a new searcher over the reader. This searcher might randomly use
 * threads.//from  w  ww.ja v  a 2s.  c o  m
 * <p>
 * Override the original {@link LuceneTestCase#newSearcher(IndexReader)}
 * implementation in order to avoid getting {@link org.apache.lucene.search.AssertingIndexSearcher}
 * which is incompatible with SIREn.
 * <p>
 * TODO: Implement our own {@link AssertingIndexSearcher} and {@link org.apache.lucene.search.AssertingScorer}
 */
public static IndexSearcher newSearcher(final IndexReader r) {
    final Random random = random();
    if (usually()) {
        // compared to the original implementation, we do not wrap to avoid
        // wrapping into an AssertingAtomicReader
        return random.nextBoolean() ? new IndexSearcher(r) : new IndexSearcher(r.getContext());
    } else {
        int threads = 0;
        final ThreadPoolExecutor ex;
        if (random.nextBoolean()) {
            ex = null;
        } else {
            threads = TestUtil.nextInt(random, 1, 8);
            ex = new ThreadPoolExecutor(threads, threads, 0L, TimeUnit.MILLISECONDS,
                    new LinkedBlockingQueue<Runnable>(), new NamedThreadFactory("LuceneTestCase"));
        }
        if (ex != null) {
            if (VERBOSE) {
                System.out.println("NOTE: newSearcher using ExecutorService with " + threads + " threads");
            }
            r.addReaderClosedListener(new ReaderClosedListener() {
                @Override
                public void onClose(final IndexReader reader) {
                    TestUtil.shutdownExecutorService(ex);
                }
            });
        }
        final IndexSearcher ret = random.nextBoolean() ? new IndexSearcher(r, ex)
                : new IndexSearcher(r.getContext(), ex);
        return ret;
    }
}

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From source file:org.apache.nifi.provenance.store.PartitionedEventStore.java

License:Apache License

@Override
public void initialize() throws IOException {
    maintenanceExecutor = Executors.newScheduledThreadPool(1,
            new NamedThreadFactory("Provenance Repository Maintenance"));
    maintenanceExecutor.scheduleWithFixedDelay(() -> performMaintenance(), 1, 1, TimeUnit.MINUTES);

    for (final EventStorePartition partition : getPartitions()) {
        partition.initialize();/*  w  w  w  .j  av a  2  s.c  o m*/
    }
}

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From source file:org.apache.nifi.provenance.store.PartitionedWriteAheadEventStore.java

License:Apache License

public PartitionedWriteAheadEventStore(final RepositoryConfiguration repoConfig,
        final RecordWriterFactory recordWriterFactory, final RecordReaderFactory recordReaderFactory,
        final EventReporter eventReporter, final EventFileManager fileManager) {
    super(repoConfig, eventReporter);
    this.repoConfig = repoConfig;
    this.eventReporter = eventReporter;
    this.filesToCompress = new LinkedBlockingQueue<>(100);
    final AtomicLong idGenerator = new AtomicLong(0L);
    this.partitions = createPartitions(repoConfig, recordWriterFactory, recordReaderFactory, idGenerator);
    this.fileManager = fileManager;

    // Creates tasks to compress data on rollover
    if (repoConfig.isCompressOnRollover()) {
        compressionExecutor = Executors.newFixedThreadPool(repoConfig.getIndexThreadPoolSize(),
                new NamedThreadFactory("Compress Provenance Logs"));
    } else {/* w  w w  .j  a v a 2s.co  m*/
        compressionExecutor = null;
    }
}

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From source file:org.sindice.siren.util.SirenTestCase.java

License:Apache License

/**
 * Create a new searcher over the reader. This searcher might randomly use
 * threads.//ww  w.ja  va2s .  com
 * <p>
 * Override the original {@link LuceneTestCase#newSearcher(IndexReader)}
 * implementation in order to avoid getting {@link AssertingIndexSearcher}
 * which is incompatible with SIREn.
 */
public static IndexSearcher newSearcher(final IndexReader r) throws IOException {
    final Random random = random();
    if (usually()) {
        // compared to the original implementation, we do not wrap to avoid
        // wrapping into an AssertingAtomicReader
        return random.nextBoolean() ? new IndexSearcher(r) : new IndexSearcher(r.getContext());
    } else {
        int threads = 0;
        final ThreadPoolExecutor ex;
        if (random.nextBoolean()) {
            ex = null;
        } else {
            threads = _TestUtil.nextInt(random, 1, 8);
            ex = new ThreadPoolExecutor(threads, threads, 0L, TimeUnit.MILLISECONDS,
                    new LinkedBlockingQueue<Runnable>(), new NamedThreadFactory("LuceneTestCase"));
        }
        if (ex != null) {
            if (VERBOSE) {
                System.out.println("NOTE: newSearcher using ExecutorService with " + threads + " threads");
            }
            r.addReaderClosedListener(new ReaderClosedListener() {
                @Override
                public void onClose(final IndexReader reader) {
                    _TestUtil.shutdownExecutorService(ex);
                }
            });
        }
        final IndexSearcher ret = random.nextBoolean() ? new IndexSearcher(r, ex)
                : new IndexSearcher(r.getContext(), ex);
        return ret;
    }
}

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From source file:uk.co.flax.biosolr.elasticsearch.mapper.ontology.ElasticOntologyHelperFactory.java

License:Apache License

public OntologyHelper buildOntologyHelper() throws OntologyHelperException {
    return new OntologyHelperBuilder().ontologyUri(settings.getOntologyUri())
            .labelPropertyUris(convertListToArray(settings.getLabelPropertyUris()))
            .synonymPropertyUris(convertListToArray(settings.getSynonymPropertyUris()))
            .definitionPropertyUris(convertListToArray(settings.getDefinitionPropertyUris()))
            .olsBaseUrl(settings.getOlsBaseUrl()).ontology(settings.getOlsOntology())
            .threadpoolSize(settings.getThreadpoolSize()).pageSize(settings.getPageSize())
            .threadFactory(new NamedThreadFactory("olsOntologyHelper")).build();
}

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