Package org.apache.lucene.analysis.reverse

Examples of org.apache.lucene.analysis.reverse.ReverseStringFilter

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        };
        this.parentPathSearchingAnalyzer = new Analyzer() {
            @Override
            protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
                Tokenizer source = new KeywordTokenizer(reader);
                TokenStream filter = new ReverseStringFilter(Version.LUCENE_47, source);
                filter = new PatternReplaceFilter(filter, Pattern.compile("[^\\/]+\\/"), "", false);
                filter = new ReverseStringFilter(Version.LUCENE_47, filter);
                return new TokenStreamComponents(source, filter);
            }
        };

        this.directChildrenPathIndexingAnalyzer = new Analyzer() {
            @Override
            protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
                Tokenizer source = new KeywordTokenizer(reader);
                TokenStream filter = new ReverseStringFilter(Version.LUCENE_47, source);
                filter = new LengthFilter(Version.LUCENE_47, filter, 2, Integer.MAX_VALUE);
                filter = new PatternReplaceFilter(filter, Pattern.compile("([^\\/]+)(\\/)"), "$2", false);
                filter = new PatternReplaceFilter(filter, Pattern.compile("(\\/)(.+)"), "$2", false);
                filter = new ReverseStringFilter(Version.LUCENE_47, filter);
                return new TokenStreamComponents(source, filter);
            }
        };
        this.directChildrenPathSearchingAnalyzer = new Analyzer() {
            @Override
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        };
        this.parentPathSearchingAnalyzer = new Analyzer() {
            @Override
            protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
                Tokenizer source = new KeywordTokenizer(reader);
                TokenStream filter = new ReverseStringFilter(Version.LUCENE_47, source);
                filter = new PatternReplaceFilter(filter, Pattern.compile("[^\\/]+\\/"), "", false);
                filter = new ReverseStringFilter(Version.LUCENE_47, filter);
                return new TokenStreamComponents(source, filter);
            }
        };

        this.directChildrenPathIndexingAnalyzer = new Analyzer() {
            @Override
            protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
                Tokenizer source = new KeywordTokenizer(reader);
                TokenStream filter = new ReverseStringFilter(Version.LUCENE_47, source);
                filter = new LengthFilter(Version.LUCENE_47, filter, 2, Integer.MAX_VALUE);
                filter = new PatternReplaceFilter(filter, Pattern.compile("([^\\/]+)(\\/)"), "$2", false);
                filter = new PatternReplaceFilter(filter, Pattern.compile("(\\/)(.+)"), "$2", false);
                filter = new ReverseStringFilter(Version.LUCENE_47, filter);
                return new TokenStreamComponents(source, filter);
            }
        };
        this.directChildrenPathSearchingAnalyzer = new Analyzer() {
            @Override
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    public TokenStream create(TokenStream tokenStream) {
        TokenStream result = tokenStream;
       
        // side=BACK is not supported anymore but applying ReverseStringFilter up-front and after the token filter has the same effect
        if (side == SIDE_BACK) {
            result = new ReverseStringFilter(result);
        }
       
        if (version.onOrAfter(Version.LUCENE_4_3) && esVersion.onOrAfter(org.elasticsearch.Version.V_0_90_2)) {
            /*
             * We added this in 0.90.2 but 0.90.1 used LUCENE_43 already so we can not rely on the lucene version.
             * Yet if somebody uses 0.90.2 or higher with a prev. lucene version we should also use the deprecated version.
             */
            result = new EdgeNGramTokenFilter(result, minGram, maxGram);
        } else {
            result = new Lucene43EdgeNGramTokenFilter(result, minGram, maxGram);
        }
       
        // side=BACK is not supported anymore but applying ReverseStringFilter up-front and after the token filter has the same effect
        if (side == SIDE_BACK) {
            result = new ReverseStringFilter(result);
        }
       
        return result;
    }
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        super(index, indexSettings, name, settings);
    }

    @Override
    public TokenStream create(TokenStream tokenStream) {
        return new ReverseStringFilter(tokenStream);
    }
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Related Classes of org.apache.lucene.analysis.reverse.ReverseStringFilter

  • com.gentics.cr.lucene.analysis.ReverseAnalyzer
  • org.apache.jackrabbit.oak.plugins.index.solr.configuration.DefaultAnalyzersConfigurationTest
  • org.apache.lucene.analysis.reverse.ReverseStringFilterFactory
  • org.apache.lucene.classification.SimpleNaiveBayesClassifierTest$NGramAnalyzer
  • org.apache.solr.analysis.ReverseStringFilterFactory
  • org.elasticsearch.index.analysis.EdgeNGramTokenFilterFactory
  • org.elasticsearch.index.analysis.ReverseTokenFilterFactory
  • org.elasticsearch.indices.analysis.IndicesAnalysisService
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