org.apache.lucene.queries.function.valuesource
Class EnumFieldSource
java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.queries.function.valuesource.FieldCacheSource
org.apache.lucene.queries.function.valuesource.EnumFieldSource
public class EnumFieldSource
- extends FieldCacheSource
Obtains int field values from FieldCache.getInts(org.apache.lucene.index.AtomicReader, java.lang.String, boolean)
and makes
those values available as other numeric types, casting as needed.
strVal of the value is not the int value, but its string (displayed) value
EnumFieldSource
public EnumFieldSource(String field,
FieldCache.IntParser parser,
Map<Integer,String> enumIntToStringMap,
Map<String,Integer> enumStringToIntMap)
description
public String description()
- Description copied from class:
ValueSource
- description of field, used in explain()
- Overrides:
description
in class FieldCacheSource
getValues
public FunctionValues getValues(Map context,
AtomicReaderContext readerContext)
throws IOException
- Description copied from class:
ValueSource
- Gets the values for this reader and the context that was previously
passed to createWeight()
- Specified by:
getValues
in class ValueSource
- Throws:
IOException
equals
public boolean equals(Object o)
- Overrides:
equals
in class FieldCacheSource
hashCode
public int hashCode()
- Overrides:
hashCode
in class FieldCacheSource
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