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use static TL for common numeric precision values

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This commit is contained in:
Shay Banon 2013-09-15 01:40:35 +02:00
parent 1c921aebe5
commit 4a97af3cd4
1 changed files with 31 additions and 2 deletions
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31
src/main/java/org/elasticsearch/index/mapper/core/NumberFieldMapper.java
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@ -126,6 +126,27 @@ public abstract class NumberFieldMapper<T extends Number> extends AbstractFieldM
} }
}; };
private static ThreadLocal<NumericTokenStream> tokenStream4 = new ThreadLocal<NumericTokenStream>() {
@Override
protected NumericTokenStream initialValue() {
return new NumericTokenStream(4);
}
};
private static ThreadLocal<NumericTokenStream> tokenStream8 = new ThreadLocal<NumericTokenStream>() {
@Override
protected NumericTokenStream initialValue() {
return new NumericTokenStream(8);
}
};
private static ThreadLocal<NumericTokenStream> tokenStreamMax = new ThreadLocal<NumericTokenStream>() {
@Override
protected NumericTokenStream initialValue() {
return new NumericTokenStream(Integer.MAX_VALUE);
}
};
protected NumberFieldMapper(Names names, int precisionStep, float boost, FieldType fieldType, protected NumberFieldMapper(Names names, int precisionStep, float boost, FieldType fieldType,
Explicit<Boolean> ignoreMalformed, NamedAnalyzer indexAnalyzer, Explicit<Boolean> ignoreMalformed, NamedAnalyzer indexAnalyzer,
NamedAnalyzer searchAnalyzer, PostingsFormatProvider provider, SimilarityProvider similarity, NamedAnalyzer searchAnalyzer, PostingsFormatProvider provider, SimilarityProvider similarity,
@ -248,10 +269,18 @@ public abstract class NumberFieldMapper<T extends Number> extends AbstractFieldM
@Override @Override
public void close() { public void close() {
tokenStream.remove();
} }
protected NumericTokenStream popCachedStream() { protected NumericTokenStream popCachedStream() {
if (precisionStep == 4) {
return tokenStream4.get();
}
if (precisionStep == 8) {
return tokenStream8.get();
}
if (precisionStep == Integer.MAX_VALUE) {
return tokenStreamMax.get();
}
return tokenStream.get(); return tokenStream.get();
} }