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annotate src/goodjava/lucene/api/FieldAnalyzer.java @ 1624:fe611f6e3c28

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author Franklin Schmidt <fschmidt@gmail.com>
date Sat, 07 Aug 2021 20:01:46 -0600
parents 3ab0d043370f
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1 package goodjava.lucene.api;
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2
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3 import java.util.Map;
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4 import java.util.concurrent.ConcurrentHashMap;
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5 import org.apache.lucene.analysis.Analyzer;
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6 import org.apache.lucene.analysis.AnalyzerWrapper;
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7 import org.apache.lucene.analysis.core.KeywordAnalyzer;
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9
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10 public final class FieldAnalyzer extends AnalyzerWrapper {
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11 private static final Analyzer defaultAnalyzer = new KeywordAnalyzer();
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12 private final Map<String,Analyzer> fieldAnalyzers = new ConcurrentHashMap<String,Analyzer>();
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14 public void add(String fieldName,Analyzer analyzer) {
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15 fieldAnalyzers.put(fieldName,analyzer);
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16 }
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18 public boolean isAdded(String fieldName) {
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19 return fieldAnalyzers.containsKey(fieldName);
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20 }
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21
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22 protected Analyzer getWrappedAnalyzer(String fieldName) {
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23 Analyzer analyzer = fieldAnalyzers.get(fieldName);
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24 /*
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25 if( analyzer == null )
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26 throw new RuntimeException("no analyzer for field: "+fieldName);
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27 return analyzer;
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28 */
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29 return analyzer!=null ? analyzer : defaultAnalyzer;
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30 }
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31 }