Example usage for org.apache.lucene.search.suggest.analyzing AnalyzingInfixSuggester AnalyzingInfixSuggester

Introduction

In this page you can find the example usage for org.apache.lucene.search.suggest.analyzing AnalyzingInfixSuggester AnalyzingInfixSuggester.

Prototype

public AnalyzingInfixSuggester(Directory dir, Analyzer indexAnalyzer, Analyzer queryAnalyzer,
        int minPrefixChars, boolean commitOnBuild) throws IOException 

Source Link

Document

Create a new instance, loading from a previously built AnalyzingInfixSuggester directory, if it exists.

Usage

From source file:com.shaie.suggest.ContextSuggestDemo.java

License:Apache License

public ContextSuggestDemo() throws IOException {
    indexDir = new RAMDirectory();
    suggestDir = new RAMDirectory();
    analyzer = new SimpleAnalyzer();
    suggester = new AnalyzingInfixSuggester(suggestDir, analyzer, analyzer, 1, true);
    buildSearchIndex();//from w w w .  j  a  va  2s.c  o m
    buildSuggesterIndex();
}

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From source file:net.tourbook.search.FTSearchManager.java

License:Open Source License

private static Lookup setupSuggester_AnalyzingInfix() {

    setupIndexReader();/*from  w w w . j a  v  a 2  s . c  o m*/

    final Lookup suggester[] = new AnalyzingInfixSuggester[1];

    Display.getDefault().syncExec(new Runnable() {
        @Override
        public void run() {

            BusyIndicator.showWhile(Display.getDefault(), new Runnable() {

                @Override
                public void run() {

                    try {

                        final DocumentInputIterator inputIterator = new DocumentInputIterator(_indexReader);
                        final Analyzer indexAnalyzer = new StandardAnalyzer(new CharArraySet(0, true));
                        final Analyzer queryAnalyzer = new WhitespaceAnalyzer();

                        _infixStore = openStore("AnalyzingInfixSuggesterSTORE"); //$NON-NLS-1$

                        suggester[0] = new AnalyzingInfixSuggester(LUCENE_VERSION, _infixStore, indexAnalyzer,
                                queryAnalyzer, 2);

                        suggester[0].build(inputIterator);

                    } catch (final Exception e) {
                        StatusUtil.showStatus(e);
                    }
                }
            });
        }
    });

    return suggester[0];
}

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From source file:org.apache.jackrabbit.oak.plugins.index.lucene.util.SuggestHelper.java

License:Apache License

public static AnalyzingInfixSuggester getLookup(final Directory suggestDirectory, Analyzer analyzer,
        final File tempDir) throws IOException {
    return new AnalyzingInfixSuggester(Version.LUCENE_47, tempDir, analyzer, analyzer, 3) {
        @Override//from  w w  w  .  j  a  va2  s.  com
        protected Directory getDirectory(File path) throws IOException {
            if (tempDir == null || tempDir.getAbsolutePath().equals(path.getAbsolutePath())) {
                return suggestDirectory; // use oak directory for writing suggest index
            } else {
                return FSDirectory.open(path); // use FS for temp index used at build time
            }
        }
    };
}

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From source file:org.apache.solr.spelling.suggest.fst.AnalyzingInfixLookupFactory.java

License:Apache License

@Override
public Lookup create(NamedList params, SolrCore core) {
    // mandatory parameter
    Object fieldTypeName = params.get(QUERY_ANALYZER);
    if (fieldTypeName == null) {
        throw new IllegalArgumentException(
                "Error in configuration: " + QUERY_ANALYZER + " parameter is mandatory");
    }//from   w w  w  .  ja  v a2  s . com
    FieldType ft = core.getLatestSchema().getFieldTypeByName(fieldTypeName.toString());
    Analyzer indexAnalyzer = ft.getAnalyzer();
    Analyzer queryAnalyzer = ft.getQueryAnalyzer();

    // optional parameters

    String indexPath = params.get(INDEX_PATH) != null ? params.get(INDEX_PATH).toString() : DEFAULT_INDEX_PATH;

    int minPrefixChars = params.get(MIN_PREFIX_CHARS) != null
            ? Integer.parseInt(params.get(MIN_PREFIX_CHARS).toString())
            : AnalyzingInfixSuggester.DEFAULT_MIN_PREFIX_CHARS;

    try {
        return new AnalyzingInfixSuggester(core.getSolrConfig().luceneMatchVersion, new File(indexPath),
                indexAnalyzer, queryAnalyzer, minPrefixChars);
    } catch (IOException e) {
        throw new RuntimeException();
    }
}

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