Examples with Analyzer org.apache.lucene.analysis.Analyzer used on opensource projects

Example 46 with Analyzer

use of org.apache.lucene.analysis.Analyzer in project geode by apache.

the class LuceneServiceImpl method createIndex.

public void createIndex(String indexName, String regionPath, Map<String, Analyzer> fieldAnalyzers) {
    if (fieldAnalyzers == null || fieldAnalyzers.isEmpty()) {
        throw new IllegalArgumentException("At least one field must be indexed");
    }
    Analyzer analyzer = new PerFieldAnalyzerWrapper(new StandardAnalyzer(), fieldAnalyzers);
    Set<String> fieldsSet = fieldAnalyzers.keySet();
    String[] fields = (String[]) fieldsSet.toArray(new String[fieldsSet.size()]);
    createIndex(indexName, regionPath, analyzer, fieldAnalyzers, fields);
}

Example 47 with Analyzer

use of org.apache.lucene.analysis.Analyzer in project geode by apache.

the class LuceneIndexCreation method beforeCreate.

@Override
public void beforeCreate(Extensible<Region<?, ?>> source, Cache cache) {
    LuceneServiceImpl service = (LuceneServiceImpl) LuceneServiceProvider.get(cache);
    Analyzer analyzer = this.fieldAnalyzers == null ? new StandardAnalyzer() : new PerFieldAnalyzerWrapper(new StandardAnalyzer(), this.fieldAnalyzers);
    try {
        service.createIndex(getName(), getRegionPath(), analyzer, this.fieldAnalyzers, getFieldNames());
    } catch (LuceneIndexExistsException e) {
        logger.info(LocalizedStrings.LuceneIndexCreation_IGNORING_DUPLICATE_INDEX_CREATION_0_ON_REGION_1.toLocalizedString(e.getIndexName(), e.getRegionPath()));
    }
}

Example 48 with Analyzer

use of org.apache.lucene.analysis.Analyzer in project geode by apache.

the class LuceneIndexXmlGenerator method generate.

@Override
public void generate(CacheXmlGenerator cacheXmlGenerator) throws SAXException {
    final ContentHandler handler = cacheXmlGenerator.getContentHandler();
    handler.startPrefixMapping(PREFIX, NAMESPACE);
    AttributesImpl attr = new AttributesImpl();
    // TODO - should the type be xs:string ?
    XmlGeneratorUtils.addAttribute(attr, NAME, index.getName());
    XmlGeneratorUtils.startElement(handler, PREFIX, INDEX, attr);
    for (String field : index.getFieldNames()) {
        AttributesImpl fieldAttr = new AttributesImpl();
        XmlGeneratorUtils.addAttribute(fieldAttr, NAME, field);
        Analyzer analyzer = index.getFieldAnalyzers().get(field);
        if (analyzer != null) {
            XmlGeneratorUtils.addAttribute(fieldAttr, ANALYZER, analyzer.getClass().getName());
        }
        XmlGeneratorUtils.emptyElement(handler, PREFIX, FIELD, fieldAttr);
    }
    XmlGeneratorUtils.endElement(handler, PREFIX, INDEX);
}

Example 49 with Analyzer

use of org.apache.lucene.analysis.Analyzer in project geode by apache.

the class LuceneXmlParser method startField.

private void startField(Attributes atts) {
    // Ignore any whitespace noise between fields
    if (stack.peek() instanceof StringBuffer) {
        stack.pop();
    }
    if (!(stack.peek() instanceof LuceneIndexCreation)) {
        throw new CacheXmlException("lucene <field> elements must occur within lucene <index> elements");
    }
    LuceneIndexCreation creation = (LuceneIndexCreation) stack.peek();
    String name = atts.getValue(NAME);
    String className = atts.getValue(ANALYZER);
    if (className == null) {
        creation.addField(name);
    } else {
        Analyzer analyzer = createAnalyzer(className);
        creation.addFieldAndAnalyzer(name, analyzer);
    }
}

Example 50 with Analyzer

use of org.apache.lucene.analysis.Analyzer in project geode by apache.

the class LuceneXmlParser method createAnalyzer.

private Analyzer createAnalyzer(String className) {
    Object obj;
    try {
        Class c = InternalDataSerializer.getCachedClass(className);
        obj = c.newInstance();
    } catch (Exception ex) {
        throw new CacheXmlException(LocalizedStrings.CacheXmlParser_WHILE_INSTANTIATING_A_0.toLocalizedString(className), ex);
    }
    if (!(obj instanceof Analyzer)) {
        throw new CacheXmlException(LocalizedStrings.LuceneXmlParser_CLASS_0_IS_NOT_AN_INSTANCE_OF_ANALYZER.toLocalizedString(className));
    }
    return (Analyzer) obj;
}