Examples of org.apache.xindice.core.indexer.Indexer

org.apache.xindice.core.indexer.Indexer
Indexer is the abstract indexing interface for Xindice. An Indexer object is implemented in order to retrieve and manage indexes.

Any number of Indexer instances may be associated with a single Collection. The type of Indexer utilized by a query depends on the 'Style' of Indexer and the type of QueryResolver that is being used to performt he query. Currently, Xindice only internally supports one kind of Indexer: 'XPath'.

     * @param config The Indexer's configuration
     * @return The newly created Indexer
     */
    public final Indexer createIndexer(Configuration config) throws DBException {
        checkFiler(FaultCodes.COL_NO_INDEXMANAGER);
        Indexer idx = indexManager.create(config);
        getDatabase().flushConfig();
        return idx;
    }

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            Collection col = getCollection((String) message.get(COLLECTION));
            if (col == null) {
                // No such collection
                result.put(RESULT, "no");
            } else {
                Indexer idx = col.getIndexer((String) message.get(NAME));
                if (idx != null) {
                    result.put(RESULT, "yes");
                } else {
                    result.put(RESULT, "no");
                }

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                            }
                            ks.add(set.toArray(EMPTY_KEYS));
                        } else {
                            // Try to use a NameIndex to resolve the path component
                            IndexPattern pattern = new IndexPattern(symbols, name, nsMap);
                            Indexer idx = context.getIndexManager().getBestIndexer(Indexer.STYLE_NODENAME, pattern);
                            if (idx != null) {
                                IndexMatch[] matches = idx.queryMatches(new IndexQueryANY(pattern));
                                Key[] keys = QueryEngine.getUniqueKeys(matches);
                                ks.add(keys);
                            }
                        }
                    }

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                //       to do a collection scan in those cases where somebody
                //       typed an element or attribute name incorrectly.


                IndexPattern pattern = iq.getPattern();


                Indexer idx = context.getIndexManager().getBestIndexer(Indexer.STYLE_NODEVALUE, pattern);
        if (idx != null) {
                    return new NamedKeys(nk.name, nk.attribute, QueryEngine.getUniqueKeys(idx.queryMatches(iq)));
                } else if (autoIndex) {
                    // TODO: This has to *not* be hardcoded
                    Element e = new DocumentImpl().createElement("index");
                    e.setAttribute("class", "org.apache.xindice.core.indexer.ValueIndexer");
                    e.setAttribute("name", "xp_" + ps);

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                            }
                            ks.add(set.toArray(EMPTY_KEYS));
                        } else {
                            // Try to use a NameIndex to resolve the path component
                            IndexPattern pattern = new IndexPattern(symbols, name, nsMap);
                            Indexer idx = context.getIndexManager().getBestIndexer(Indexer.STYLE_NODENAME, pattern);
                            if (idx != null) {
                                IndexMatch[] matches = idx.queryMatches(new IndexQueryANY(pattern));
                                Key[] keys = QueryEngine.getUniqueKeys(matches);
                                ks.add(keys);
                            }
                        }
                    }

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                //       to do a collection scan in those cases where somebody
                //       typed an element or attribute name incorrectly.


                IndexPattern pattern = iq.getPattern();


                Indexer idx = context.getIndexManager().getBestIndexer(Indexer.STYLE_NODEVALUE, pattern);
        if (idx != null) {
                    return new NamedKeys(nk.name, nk.attribute, QueryEngine.getUniqueKeys(idx.queryMatches(iq)));
                } else if (autoIndex) {
                    // TODO: This has to *not* be hardcoded
                    Element e = new DocumentImpl().createElement("index");
                    e.setAttribute("class", "org.apache.xindice.core.indexer.ValueIndexer");
                    e.setAttribute("name", "xp_" + ps);

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        private Object queryTextIndex(String ps, String query) throws Exception {
            IndexPattern pattern = new IndexPattern(symbols, ps, nsMap);


            // check if there is full text indexer for this collection
            Indexer idx = context.getIndexManager().getBestIndexer(Indexer.STYLE_FULLTEXT, pattern);
            if (idx instanceof LuceneIndexer) {
                LuceneIndexer textInd = ((LuceneIndexer) idx);
                analyzer = textInd.getAnalyzer();
                parameters.put(PARAM_ANALYZER, analyzer);

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        }
    }


    private void deleteIndex(Collection col, String name, ServletOutputStream output) throws IOException, DBException {
        // delete indexer
        Indexer delIndex = col.getIndexer(name);
        if (delIndex != null) {
            if (col.dropIndexer(delIndex)) {
                output.println("<b>Indexer " + name + " deleted!</b>");
            } else {
                output.println("<b>Cannot delete Indexer " + name + "!</b>");

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     * @return The newly created Indexer
     * @throws DBException if operation failed
     */
    public final Indexer createIndexer(Configuration config) throws DBException {
        checkFiler(FaultCodes.COL_NO_INDEXMANAGER);
        Indexer idx = indexManager.create(config);
        getDatabase().flushConfig();
        return idx;
    }

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        // decide not to run optimization for the function
        Analyzer analyzer = (Analyzer) ctxt.getParameter(XPathQueryResolver.PARAM_ANALYZER);
        if (analyzer == null) {
            try {
                Collection collection = (Collection) ctxt.getParameter(XPathQueryResolver.PARAM_COLLECTION);
                Indexer idx = collection.getIndexManager().getBestIndexer(Indexer.STYLE_FULLTEXT, null);
                if (idx instanceof LuceneIndexer) {
                    analyzer = ((LuceneIndexer) idx).getAnalyzer();
                } else {
                    analyzer = (Analyzer) Class.forName(LuceneIndexer.DEFANALYZER).newInstance();
                }

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org.apache.xindice.core.Collection

org.apache.xindice.core.query.FuncFTContains

org.apache.xindice.core.query.XPathQueryResolver$XPathQuery

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