Example usage for org.apache.lucene.analysis CharArraySet EMPTY_SET

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In this page you can find the example usage for org.apache.lucene.analysis CharArraySet EMPTY_SET.

Prototype

CharArraySet EMPTY_SET

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An empty CharArraySet .

Usage

From source file:org.elasticsearch.analysis.common.SoraniAnalyzerProvider.java

License:Apache License

SoraniAnalyzerProvider(IndexSettings indexSettings, Environment env, String name, Settings settings) {
    super(indexSettings, name, settings);
    analyzer = new SoraniAnalyzer(Analysis.parseStopWords(env, settings, SoraniAnalyzer.getDefaultStopSet()),
            Analysis.parseStemExclusion(settings, CharArraySet.EMPTY_SET));
    analyzer.setVersion(version);//from  w w  w.j  av  a2 s.c  o  m
}

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From source file:org.elasticsearch.analysis.common.SpanishAnalyzerProvider.java

License:Apache License

SpanishAnalyzerProvider(IndexSettings indexSettings, Environment env, String name, Settings settings) {
    super(indexSettings, name, settings);
    analyzer = new SpanishAnalyzer(Analysis.parseStopWords(env, settings, SpanishAnalyzer.getDefaultStopSet()),
            Analysis.parseStemExclusion(settings, CharArraySet.EMPTY_SET));
    analyzer.setVersion(version);//w  ww .  j a v a 2s  . c  o m
}

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From source file:org.elasticsearch.analysis.common.StandardHtmlStripAnalyzerProvider.java

License:Apache License

StandardHtmlStripAnalyzerProvider(IndexSettings indexSettings, Environment env, String name,
        Settings settings) {//  w  w w. ja  va  2s  .c  om
    super(indexSettings, name, settings);
    final CharArraySet defaultStopwords = CharArraySet.EMPTY_SET;
    CharArraySet stopWords = Analysis.parseStopWords(env, settings, defaultStopwords);
    analyzer = new StandardHtmlStripAnalyzer(stopWords);
    analyzer.setVersion(version);
}

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From source file:org.elasticsearch.analysis.common.SwedishAnalyzerProvider.java

License:Apache License

SwedishAnalyzerProvider(IndexSettings indexSettings, Environment env, String name, Settings settings) {
    super(indexSettings, name, settings);
    analyzer = new SwedishAnalyzer(Analysis.parseStopWords(env, settings, SwedishAnalyzer.getDefaultStopSet()),
            Analysis.parseStemExclusion(settings, CharArraySet.EMPTY_SET));
    analyzer.setVersion(version);/*from   www. jav a 2s.  c  o  m*/
}

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From source file:org.elasticsearch.analysis.common.TurkishAnalyzerProvider.java

License:Apache License

TurkishAnalyzerProvider(IndexSettings indexSettings, Environment env, String name, Settings settings) {
    super(indexSettings, name, settings);
    analyzer = new TurkishAnalyzer(Analysis.parseStopWords(env, settings, TurkishAnalyzer.getDefaultStopSet()),
            Analysis.parseStemExclusion(settings, CharArraySet.EMPTY_SET));
    analyzer.setVersion(version);/*from www.  ja  v  a2  s  .com*/
}

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From source file:org.elasticsearch.index.analysis.BengaliAnalyzerProvider.java

License:Apache License

public BengaliAnalyzerProvider(IndexSettings indexSettings, Environment env, String name, Settings settings) {
    super(indexSettings, name, settings);
    analyzer = new BengaliAnalyzer(Analysis.parseStopWords(env, settings, BengaliAnalyzer.getDefaultStopSet()),
            Analysis.parseStemExclusion(settings, CharArraySet.EMPTY_SET));
    analyzer.setVersion(version);//from   w  w  w  . ja  va2  s. c  om
}

---

From source file:org.elasticsearch.index.analysis.UkrainianAnalyzerProvider.java

License:Apache License

public UkrainianAnalyzerProvider(IndexSettings indexSettings, Environment env, String name, Settings settings) {
    super(indexSettings, name, settings);
    analyzer = new UkrainianMorfologikAnalyzer(
            Analysis.parseStopWords(env, indexSettings.getIndexVersionCreated(), settings,
                    UkrainianMorfologikAnalyzer.getDefaultStopSet()),
            Analysis.parseStemExclusion(settings, CharArraySet.EMPTY_SET));
    analyzer.setVersion(version);// w w w.jav a 2  s  .  c  o  m
}

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From source file:org.quelea.services.lucene.SearchIndexUtils.java

License:Open Source License

/**
 * Clear the given index.// w ww.  j  a v a2s.  c o  m
 * <p/>
 * @param index the index to clear.
 */
public static void clearIndex(Directory index) {
    try (IndexWriter writer = new IndexWriter(index,
            new IndexWriterConfig(new StandardAnalyzer(CharArraySet.EMPTY_SET)))) {
        writer.deleteAll();
        writer.commit();
    } catch (IOException ex) {
        LOGGER.log(Level.SEVERE, "Couldn't clear the index", ex);
    }
}

---

From source file:org.uberfire.ext.metadata.io.MetadataConfigBuilder.java

License:Apache License

public void withDefaultAnalyzer() {
    if (this.customAnalyzerWrapperFactory == null) {
        this.analyzer = new KiePerFieldAnalyzerWrapper(new StandardAnalyzer(CharArraySet.EMPTY_SET),
                new HashMap<String, Analyzer>() {
                    {//from   ww w  .  ja va  2 s  .  c om
                        putAll(analyzers);
                    }
                });
    } else {
        this.analyzer = this.customAnalyzerWrapperFactory
                .getAnalyzerWrapper(new StandardAnalyzer(CharArraySet.EMPTY_SET), analyzers);
    }
}

---

From source file:perf.Indexer.java

License:Apache License

private static void _main(String[] clArgs) throws Exception {

    Args args = new Args(clArgs);

    // EG: -facets Date -facets characterCount ...
    FacetsConfig facetsConfig = new FacetsConfig();
    facetsConfig.setHierarchical("Date", true);
    final Set<String> facetFields = new HashSet<String>();
    if (args.hasArg("-facets")) {
        for (String arg : args.getStrings("-facets")) {
            facetFields.add(arg);// w ww  .j  a va2 s . c o m
        }
    }

    final String dirImpl = args.getString("-dirImpl");
    final String dirPath = args.getString("-indexPath") + "/index";

    final Directory dir;
    OpenDirectory od = OpenDirectory.get(dirImpl);

    dir = od.open(Paths.get(dirPath));

    final String analyzer = args.getString("-analyzer");
    final Analyzer a;
    if (analyzer.equals("EnglishAnalyzer")) {
        a = new EnglishAnalyzer();
    } else if (analyzer.equals("StandardAnalyzer")) {
        a = new StandardAnalyzer();
    } else if (analyzer.equals("StandardAnalyzerNoStopWords")) {
        a = new StandardAnalyzer(CharArraySet.EMPTY_SET);
    } else if (analyzer.equals("ShingleStandardAnalyzer")) {
        a = new ShingleAnalyzerWrapper(new StandardAnalyzer(), 2, 2);
    } else if (analyzer.equals("ShingleStandardAnalyzerNoStopWords")) {
        a = new ShingleAnalyzerWrapper(new StandardAnalyzer(CharArraySet.EMPTY_SET), 2, 2);
    } else {
        throw new RuntimeException("unknown analyzer " + analyzer);
    }

    final String lineFile = args.getString("-lineDocsFile");

    // -1 means all docs in the line file:
    final int docCountLimit = args.getInt("-docCountLimit");
    final int numThreads = args.getInt("-threadCount");

    final boolean doForceMerge = args.getFlag("-forceMerge");
    final boolean verbose = args.getFlag("-verbose");

    String indexSortField = null;
    SortField.Type indexSortType = null;

    if (args.hasArg("-indexSort")) {
        indexSortField = args.getString("-indexSort");

        int i = indexSortField.indexOf(':');
        if (i == -1) {
            throw new IllegalArgumentException(
                    "-indexSort should have form field:type; got: " + indexSortField);
        }
        String typeString = indexSortField.substring(i + 1, indexSortField.length());
        if (typeString.equals("long")) {
            indexSortType = SortField.Type.LONG;
        } else if (typeString.equals("string")) {
            indexSortType = SortField.Type.STRING;
        } else {
            throw new IllegalArgumentException("-indexSort can only handle 'long' sort; got: " + typeString);
        }
        indexSortField = indexSortField.substring(0, i);
    } else {
        indexSortType = null;
    }

    final double ramBufferSizeMB = args.getDouble("-ramBufferMB");
    final int maxBufferedDocs = args.getInt("-maxBufferedDocs");

    final String defaultPostingsFormat = args.getString("-postingsFormat");
    final boolean doDeletions = args.getFlag("-deletions");
    final boolean printDPS = args.getFlag("-printDPS");
    final boolean waitForMerges = args.getFlag("-waitForMerges");
    final boolean waitForCommit = args.getFlag("-waitForCommit");
    final String mergePolicy = args.getString("-mergePolicy");
    final Mode mode;
    final boolean doUpdate = args.getFlag("-update");
    if (doUpdate) {
        mode = Mode.UPDATE;
    } else {
        mode = Mode.valueOf(args.getString("-mode", "add").toUpperCase(Locale.ROOT));
    }
    int randomDocIDMax;
    if (mode == Mode.UPDATE) {
        randomDocIDMax = args.getInt("-randomDocIDMax");
    } else {
        randomDocIDMax = -1;
    }
    final String idFieldPostingsFormat = args.getString("-idFieldPostingsFormat");
    final boolean addGroupingFields = args.getFlag("-grouping");
    final boolean useCFS = args.getFlag("-cfs");
    final boolean storeBody = args.getFlag("-store");
    final boolean tvsBody = args.getFlag("-tvs");
    final boolean bodyPostingsOffsets = args.getFlag("-bodyPostingsOffsets");
    final int maxConcurrentMerges = args.getInt("-maxConcurrentMerges");
    final boolean addDVFields = args.getFlag("-dvfields");
    final boolean doRandomCommit = args.getFlag("-randomCommit");
    final boolean useCMS = args.getFlag("-useCMS");
    final boolean disableIOThrottle = args.getFlag("-disableIOThrottle");

    if (waitForCommit == false && waitForMerges) {
        throw new RuntimeException("pass -waitForCommit if you pass -waitForMerges");
    }

    if (waitForCommit == false && doForceMerge) {
        throw new RuntimeException("pass -waitForCommit if you pass -forceMerge");
    }

    if (waitForCommit == false && doDeletions) {
        throw new RuntimeException("pass -waitForCommit if you pass -deletions");
    }

    if (useCMS == false && disableIOThrottle) {
        throw new RuntimeException("-disableIOThrottle only makes sense with -useCMS");
    }

    final double nrtEverySec;
    if (args.hasArg("-nrtEverySec")) {
        nrtEverySec = args.getDouble("-nrtEverySec");
    } else {
        nrtEverySec = -1.0;
    }

    // True to start back at the beginning if we run out of
    // docs from the line file source:
    final boolean repeatDocs = args.getFlag("-repeatDocs");

    final String facetDVFormatName;
    if (facetFields.isEmpty()) {
        facetDVFormatName = "Lucene54";
    } else {
        facetDVFormatName = args.getString("-facetDVFormat");
    }

    if (addGroupingFields && docCountLimit == -1) {
        a.close();
        throw new RuntimeException("cannot add grouping fields unless docCount is set");
    }

    args.check();

    System.out.println("Dir: " + dirImpl);
    System.out.println("Index path: " + dirPath);
    System.out.println("Analyzer: " + analyzer);
    System.out.println("Line file: " + lineFile);
    System.out.println("Doc count limit: " + (docCountLimit == -1 ? "all docs" : "" + docCountLimit));
    System.out.println("Threads: " + numThreads);
    System.out.println("Force merge: " + (doForceMerge ? "yes" : "no"));
    System.out.println("Verbose: " + (verbose ? "yes" : "no"));
    System.out.println("RAM Buffer MB: " + ramBufferSizeMB);
    System.out.println("Max buffered docs: " + maxBufferedDocs);
    System.out.println("Default postings format: " + defaultPostingsFormat);
    System.out.println("Do deletions: " + (doDeletions ? "yes" : "no"));
    System.out.println("Wait for merges: " + (waitForMerges ? "yes" : "no"));
    System.out.println("Wait for commit: " + (waitForCommit ? "yes" : "no"));
    System.out.println("IO throttle: " + (disableIOThrottle ? "no" : "yes"));
    System.out.println("Merge policy: " + mergePolicy);
    System.out.println("Mode: " + mode);
    if (mode == Mode.UPDATE) {
        System.out.println("DocIDMax: " + randomDocIDMax);
    }
    System.out.println("ID field postings format: " + idFieldPostingsFormat);
    System.out.println("Add grouping fields: " + (addGroupingFields ? "yes" : "no"));
    System.out.println("Compound file format: " + (useCFS ? "yes" : "no"));
    System.out.println("Store body field: " + (storeBody ? "yes" : "no"));
    System.out.println("Term vectors for body field: " + (tvsBody ? "yes" : "no"));
    System.out.println("Facet DV Format: " + facetDVFormatName);
    System.out.println("Facet fields: " + facetFields);
    System.out.println("Body postings offsets: " + (bodyPostingsOffsets ? "yes" : "no"));
    System.out.println("Max concurrent merges: " + maxConcurrentMerges);
    System.out.println("Add DocValues fields: " + addDVFields);
    System.out.println("Use ConcurrentMergeScheduler: " + useCMS);
    if (nrtEverySec > 0.0) {
        System.out.println("Open & close NRT reader every: " + nrtEverySec + " sec");
    } else {
        System.out.println("Open & close NRT reader every: never");
    }
    System.out.println("Repeat docs: " + repeatDocs);

    if (verbose) {
        InfoStream.setDefault(new PrintStreamInfoStream(System.out));
    }

    final IndexWriterConfig iwc = new IndexWriterConfig(a);

    if (indexSortField != null) {
        iwc.setIndexSort(new Sort(new SortField(indexSortField, indexSortType)));
    }

    if (mode == Mode.UPDATE) {
        iwc.setOpenMode(IndexWriterConfig.OpenMode.CREATE_OR_APPEND);
    } else {
        iwc.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
    }

    iwc.setMaxBufferedDocs(maxBufferedDocs);
    iwc.setRAMBufferSizeMB(ramBufferSizeMB);

    // So flushed segments do/don't use CFS:
    iwc.setUseCompoundFile(useCFS);

    final AtomicBoolean indexingFailed = new AtomicBoolean();

    iwc.setMergeScheduler(getMergeScheduler(indexingFailed, useCMS, maxConcurrentMerges, disableIOThrottle));
    iwc.setMergePolicy(getMergePolicy(mergePolicy, useCFS));

    // Keep all commit points:
    if (doDeletions || doForceMerge) {
        iwc.setIndexDeletionPolicy(NoDeletionPolicy.INSTANCE);
    }

    final Codec codec = new Lucene62Codec() {
        @Override
        public PostingsFormat getPostingsFormatForField(String field) {
            return PostingsFormat.forName(field.equals("id") ? idFieldPostingsFormat : defaultPostingsFormat);
        }

        private final DocValuesFormat facetsDVFormat = DocValuesFormat.forName(facetDVFormatName);
        //private final DocValuesFormat lucene42DVFormat = DocValuesFormat.forName("Lucene42");
        //private final DocValuesFormat diskDVFormat = DocValuesFormat.forName("Disk");
        //        private final DocValuesFormat lucene45DVFormat = DocValuesFormat.forName("Lucene45");
        private final DocValuesFormat directDVFormat = DocValuesFormat.forName("Direct");

        @Override
        public DocValuesFormat getDocValuesFormatForField(String field) {
            if (facetFields.contains(field) || field.equals("$facets")) {
                return facetsDVFormat;
                //} else if (field.equals("$facets_sorted_doc_values")) {
                //return diskDVFormat;
            } else {
                // Use default DVFormat for all else:
                // System.out.println("DV: field=" + field + " format=" + super.getDocValuesFormatForField(field));
                return super.getDocValuesFormatForField(field);
            }
        }
    };

    iwc.setCodec(codec);

    System.out.println("IW config=" + iwc);

    IndexWriter w = new IndexWriter(dir, iwc);

    System.out.println("Index has " + w.maxDoc() + " docs");

    final TaxonomyWriter taxoWriter;
    if (facetFields.isEmpty() == false) {
        taxoWriter = new DirectoryTaxonomyWriter(od.open(Paths.get(args.getString("-indexPath"), "facets")),
                IndexWriterConfig.OpenMode.CREATE);
    } else {
        taxoWriter = null;
    }

    // Fixed seed so group field values are always consistent:
    final Random random = new Random(17);

    LineFileDocs lineFileDocs = new LineFileDocs(lineFile, repeatDocs, storeBody, tvsBody, bodyPostingsOffsets,
            false, taxoWriter, facetFields, facetsConfig, addDVFields);

    float docsPerSecPerThread = -1f;
    //float docsPerSecPerThread = 100f;

    IndexThreads threads = new IndexThreads(random, w, indexingFailed, lineFileDocs, numThreads, docCountLimit,
            addGroupingFields, printDPS, mode, docsPerSecPerThread, null, nrtEverySec, randomDocIDMax);

    System.out.println("\nIndexer: start");
    final long t0 = System.currentTimeMillis();

    threads.start();

    while (!threads.done() && indexingFailed.get() == false) {
        Thread.sleep(100);

        // Commits once per minute on average:
        if (doRandomCommit && random.nextInt(600) == 17) {
            System.out.println("Indexer: now commit");
            long commitStartNS = System.nanoTime();
            w.commit();
            System.out.println(String.format(Locale.ROOT, "Indexer: commit took %.1f msec",
                    (System.nanoTime() - commitStartNS) / 1000000.));
        }
    }

    threads.stop();

    final long t1 = System.currentTimeMillis();
    System.out.println("\nIndexer: indexing done (" + (t1 - t0) + " msec); total " + w.maxDoc() + " docs");
    // if we update we can not tell how many docs
    if (threads.failed.get()) {
        throw new RuntimeException("exceptions during indexing");
    }
    if (mode != Mode.UPDATE && docCountLimit != -1 && w.maxDoc() != docCountLimit) {
        throw new RuntimeException("w.maxDoc()=" + w.maxDoc() + " but expected " + docCountLimit);
    }

    final Map<String, String> commitData = new HashMap<String, String>();

    if (waitForMerges) {
        w.close();
        IndexWriterConfig iwc2 = new IndexWriterConfig(a);
        iwc2.setMergeScheduler(
                getMergeScheduler(indexingFailed, useCMS, maxConcurrentMerges, disableIOThrottle));
        iwc2.setMergePolicy(getMergePolicy(mergePolicy, useCFS));
        iwc2.setCodec(codec);
        iwc2.setUseCompoundFile(useCFS);
        iwc2.setMaxBufferedDocs(maxBufferedDocs);
        iwc2.setRAMBufferSizeMB(ramBufferSizeMB);
        if (indexSortField != null) {
            iwc2.setIndexSort(new Sort(new SortField(indexSortField, indexSortType)));
        }

        w = new IndexWriter(dir, iwc2);
        long t2 = System.currentTimeMillis();
        System.out.println("\nIndexer: waitForMerges done (" + (t2 - t1) + " msec)");
    }

    if (waitForCommit) {
        commitData.put("userData", "multi");
        w.setLiveCommitData(commitData.entrySet());
        long t2 = System.currentTimeMillis();
        w.commit();
        long t3 = System.currentTimeMillis();
        System.out.println("\nIndexer: commit multi (took " + (t3 - t2) + " msec)");
    } else {
        w.rollback();
        w = null;
    }

    if (doForceMerge) {
        long forceMergeStartMSec = System.currentTimeMillis();
        w.forceMerge(1);
        long forceMergeEndMSec = System.currentTimeMillis();
        System.out.println(
                "\nIndexer: force merge done (took " + (forceMergeEndMSec - forceMergeStartMSec) + " msec)");

        commitData.put("userData", "single");
        w.setLiveCommitData(commitData.entrySet());
        w.commit();
        final long t5 = System.currentTimeMillis();
        System.out.println("\nIndexer: commit single done (took " + (t5 - forceMergeEndMSec) + " msec)");
    }

    if (doDeletions) {
        final long t5 = System.currentTimeMillis();
        // Randomly delete 5% of the docs
        final Set<Integer> deleted = new HashSet<Integer>();
        final int maxDoc = w.maxDoc();
        final int toDeleteCount = (int) (maxDoc * 0.05);
        System.out.println("\nIndexer: delete " + toDeleteCount + " docs");
        while (deleted.size() < toDeleteCount) {
            final int id = random.nextInt(maxDoc);
            if (!deleted.contains(id)) {
                deleted.add(id);
                w.deleteDocuments(new Term("id", LineFileDocs.intToID(id)));
            }
        }
        final long t6 = System.currentTimeMillis();
        System.out.println("\nIndexer: deletes done (took " + (t6 - t5) + " msec)");

        commitData.put("userData", doForceMerge ? "delsingle" : "delmulti");
        w.setLiveCommitData(commitData.entrySet());
        w.commit();
        final long t7 = System.currentTimeMillis();
        System.out.println("\nIndexer: commit delmulti done (took " + (t7 - t6) + " msec)");

        if (doUpdate || w.numDocs() != maxDoc - toDeleteCount) {
            throw new RuntimeException(
                    "count mismatch: w.numDocs()=" + w.numDocs() + " but expected " + (maxDoc - toDeleteCount));
        }
    }

    if (taxoWriter != null) {
        System.out.println("Taxonomy has " + taxoWriter.getSize() + " ords");
        taxoWriter.commit();
        taxoWriter.close();
    }

    final long tCloseStart = System.currentTimeMillis();
    if (w != null) {
        w.close();
        w = null;
    }
    if (waitForCommit) {
        System.out.println("\nIndexer: at close: " + SegmentInfos.readLatestCommit(dir));
        System.out.println("\nIndexer: close took " + (System.currentTimeMillis() - tCloseStart) + " msec");
    }

    dir.close();
    final long tFinal = System.currentTimeMillis();
    System.out.println("\nIndexer: net bytes indexed " + threads.getBytesIndexed());

    final long indexingTime;
    if (waitForCommit) {
        indexingTime = tFinal - t0;
        System.out.println("\nIndexer: finished (" + indexingTime + " msec)");
    } else {
        indexingTime = t1 - t0;
        System.out.println("\nIndexer: finished (" + indexingTime + " msec), excluding commit");
    }
    System.out.println(
            "\nIndexer: " + (threads.getBytesIndexed() / 1024. / 1024. / 1024. / (indexingTime / 3600000.))
                    + " GB/hour plain text");
}

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