Examples with QueryParser org.apache.lucene.queryParser.QueryParser used on opensource projects

Example 16 with QueryParser

use of org.apache.lucene.queryParser.QueryParser in project jackrabbit by apache.

the class LuceneQueryFactory method create.

/**
 * Creates a lucene query for the given QOM full text search.
 *
 * @param fts the full text search constraint.
 * @return the lucene query for the given constraint.
 * @throws RepositoryException if an error occurs while creating the query.
 */
public Query create(FullTextSearchImpl fts) throws RepositoryException {
    String fieldname;
    if (fts.getPropertyName() == null) {
        // fulltext on node
        fieldname = FieldNames.FULLTEXT;
    } else {
        // final path element is a property name
        Name propName = fts.getPropertyQName();
        StringBuffer tmp = new StringBuffer();
        tmp.append(nsMappings.getPrefix(propName.getNamespaceURI()));
        tmp.append(":").append(FieldNames.FULLTEXT_PREFIX);
        tmp.append(propName.getLocalName());
        fieldname = tmp.toString();
    }
    QueryParser parser = new JackrabbitQueryParser(fieldname, index.getTextAnalyzer(), index.getSynonymProvider(), cache);
    try {
        StaticOperand expr = fts.getFullTextSearchExpression();
        return parser.parse(evaluator.getValue(expr).getString());
    } catch (ParseException e) {
        throw new RepositoryException(e);
    }
}

Example 17 with QueryParser

use of org.apache.lucene.queryParser.QueryParser in project zm-mailbox by Zimbra.

the class AbstractIndexStoreTest method booleanQuery.

@Test
public void booleanQuery() throws Exception {
    ZimbraLog.test.debug("--->TEST booleanQuery");
    Mailbox mbox = MailboxManager.getInstance().getMailboxByAccountId(MockProvisioning.DEFAULT_ACCOUNT_ID);
    Contact contact = createContact(mbox, "First", "Last", "f.last@zimbra.com", "Software Development Engineer");
    createContact(mbox, "Given", "Surname", "GiV.SurN@zimbra.com");
    // Make sure all indexing has been done
    mbox.index.indexDeferredItems();
    IndexStore index = mbox.index.getIndexStore();
    ZimbraIndexSearcher searcher = index.openSearcher();
    // This seems to be the supported way of enabling leading wildcard queries
    QueryParser queryParser = new QueryParser(LuceneIndex.VERSION, LuceneFields.L_CONTACT_DATA, new StandardAnalyzer(LuceneIndex.VERSION));
    queryParser.setAllowLeadingWildcard(true);
    Query wquery = queryParser.parse("*irst");
    Query tquery = new TermQuery(new Term(LuceneFields.L_CONTACT_DATA, "absent"));
    Query tquery2 = new TermQuery(new Term(LuceneFields.L_CONTACT_DATA, "Last"));
    BooleanQuery bquery = new BooleanQuery();
    bquery.add(wquery, Occur.MUST);
    bquery.add(tquery, Occur.MUST_NOT);
    bquery.add(tquery2, Occur.SHOULD);
    ZimbraTopDocs result = searcher.search(bquery, 100);
    Assert.assertNotNull("searcher.search result object", result);
    ZimbraLog.test.debug("Result for search [hits=%d]:%s", result.getTotalHits(), result.toString());
    Assert.assertEquals("Number of hits", 1, result.getTotalHits());
    String expected1Id = String.valueOf(contact.getId());
    String match1Id = searcher.doc(result.getScoreDoc(0).getDocumentID()).get(LuceneFields.L_MAILBOX_BLOB_ID);
    Assert.assertEquals("Mailbox Blob ID of match", expected1Id, match1Id);
}

Example 18 with QueryParser

use of org.apache.lucene.queryParser.QueryParser in project zm-mailbox by Zimbra.

the class AbstractIndexStoreTest method leadingWildcardQuery.

@Test
public void leadingWildcardQuery() throws Exception {
    ZimbraLog.test.debug("--->TEST leadingWildcardQuery");
    Mailbox mbox = MailboxManager.getInstance().getMailboxByAccountId(MockProvisioning.DEFAULT_ACCOUNT_ID);
    Contact contact = createContact(mbox, "First", "Last", "f.last@zimbra.com", "Leading Wildcard");
    createContact(mbox, "Grand", "Piano", "grand@vmware.com");
    // Make sure all indexing has been done
    mbox.index.indexDeferredItems();
    IndexStore index = mbox.index.getIndexStore();
    ZimbraIndexSearcher searcher = index.openSearcher();
    // This seems to be the supported way of enabling leading wildcard queries for Lucene
    QueryParser queryParser = new QueryParser(LuceneIndex.VERSION, LuceneFields.L_CONTACT_DATA, new StandardAnalyzer(LuceneIndex.VERSION));
    queryParser.setAllowLeadingWildcard(true);
    Query query = queryParser.parse("*irst");
    ZimbraTopDocs result = searcher.search(query, 100);
    Assert.assertNotNull("searcher.search result object - searching for *irst", result);
    ZimbraLog.test.debug("Result for search for '*irst'\n" + result.toString());
    Assert.assertEquals("Number of hits searching for *irst", 1, result.getTotalHits());
    String expected1Id = String.valueOf(contact.getId());
    String match1Id = searcher.doc(result.getScoreDoc(0).getDocumentID()).get(LuceneFields.L_MAILBOX_BLOB_ID);
    Assert.assertEquals("Mailbox Blob ID of match", expected1Id, match1Id);
}

Example 19 with QueryParser

use of org.apache.lucene.queryParser.QueryParser in project collect by openforis.

the class RecordIndexManager method createQuery.

protected Query createQuery(SearchType searchType, String indexFieldKey, String searchText) throws ParseException {
    String escapedSearchText = QueryParser.escape(searchText.trim().toLowerCase(Locale.ENGLISH));
    String queryText = escapedSearchText;
    if (StringUtils.isNotBlank(queryText)) {
        switch(searchType) {
            case STARTS_WITH:
                queryText = escapedSearchText + "*";
                break;
            case CONTAINS:
                // queryText = "*" + escapedSearchText + "*"; TODO support CONTAINS query
                queryText = escapedSearchText + "*";
                break;
            default:
                queryText = escapedSearchText;
        }
    }
    SimpleAnalyzer analyzer = new SimpleAnalyzer(LUCENE_VERSION);
    QueryParser queryParser = new QueryParser(LUCENE_VERSION, indexFieldKey, analyzer);
    queryParser.setDefaultOperator(Operator.AND);
    Query query = queryParser.parse(queryText);
    return query;
}

Example 20 with QueryParser

use of org.apache.lucene.queryParser.QueryParser in project graphdb by neo4j-attic.

the class IndexType method query.

Query query(String keyOrNull, Object value, QueryContext contextOrNull) {
    if (value instanceof Query) {
        return (Query) value;
    }
    QueryParser parser = new QueryParser(Version.LUCENE_30, keyOrNull, analyzer);
    parser.setAllowLeadingWildcard(true);
    parser.setLowercaseExpandedTerms(toLowerCase);
    if (contextOrNull != null && contextOrNull.getDefaultOperator() != null) {
        parser.setDefaultOperator(contextOrNull.getDefaultOperator());
    }
    try {
        return parser.parse(value.toString());
    } catch (ParseException e) {
        throw new RuntimeException(e);
    }
}