mayya-sharipova commented on code in PR #14154:
URL: https://github.com/apache/lucene/pull/14154#discussion_r1937606710
##########
lucene/core/src/java/org/apache/lucene/analysis/AnalyzerWrapper.java:
##########
@@ -151,4 +160,46 @@ protected final Reader initReaderForNormalization(String
fieldName, Reader reade
protected final AttributeFactory attributeFactory(String fieldName) {
return getWrappedAnalyzer(fieldName).attributeFactory(fieldName);
}
+
+ public TokenStreamComponents getWrappedComponents(String fieldName) {
+ return wrappedComponentsPerField.get(fieldName);
+ }
+
+ /**
+ * A {@link org.apache.lucene.analysis.Analyzer.ReuseStrategy} that checks
the wrapped analyzer's
+ * strategy for reusability. If the wrapped analyzer's strategy returns
null, components need to
+ * be re-created.
+ */
+ public static final class UnwrappingReuseStrategy extends ReuseStrategy {
+ private final ReuseStrategy reuseStrategy;
+
+ public UnwrappingReuseStrategy(ReuseStrategy reuseStrategy) {
+ this.reuseStrategy = reuseStrategy;
+ }
+
+ @Override
+ public TokenStreamComponents getReusableComponents(Analyzer analyzer,
String fieldName) {
+ if (analyzer instanceof AnalyzerWrapper wrapper) {
+ final Analyzer wrappedAnalyzer = wrapper.getWrappedAnalyzer(fieldName);
+ if
(wrappedAnalyzer.getReuseStrategy().getReusableComponents(wrappedAnalyzer,
fieldName)
+ == null) {
+ return null;
+ }
+ }
+ return reuseStrategy.getReusableComponents(analyzer, fieldName);
+ }
+
+ @Override
+ public void setReusableComponents(
+ Analyzer analyzer, String fieldName, TokenStreamComponents components)
{
+ reuseStrategy.setReusableComponents(analyzer, fieldName, components);
+ if (analyzer instanceof AnalyzerWrapper wrapper) {
+ final Analyzer wrappedAnalyzer = wrapper.getWrappedAnalyzer(fieldName);
+ wrappedAnalyzer
+ .getReuseStrategy()
+ .setReusableComponents(
+ wrappedAnalyzer, fieldName,
wrapper.getWrappedComponents(fieldName));
+ }
+ }
Review Comment:
Addressed in the last commit.
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