Class FieldCacheSource
- java.lang.Object
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- org.apache.lucene.queries.function.ValueSource
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- org.apache.lucene.queries.function.valuesource.FieldCacheSource
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- Direct Known Subclasses:
BytesRefFieldSource,DoubleFieldSource,EnumFieldSource,FloatFieldSource,IntFieldSource,JoinDocFreqValueSource,LongFieldSource,SortedSetFieldSource
public abstract class FieldCacheSource extends ValueSource
A base class for ValueSource implementations that retrieve values for a single field from DocValues.
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Constructor Summary
Constructors Constructor Description FieldCacheSource(String field)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Stringdescription()description of field, used in explain()booleanequals(Object o)StringgetField()inthashCode()-
Methods inherited from class org.apache.lucene.queries.function.ValueSource
asDoubleValuesSource, asLongValuesSource, createWeight, fromDoubleValuesSource, getSortField, getValues, newContext, toString
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Field Detail
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field
protected final String field
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Constructor Detail
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FieldCacheSource
public FieldCacheSource(String field)
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Method Detail
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getField
public String getField()
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description
public String description()
Description copied from class:ValueSourcedescription of field, used in explain()- Specified by:
descriptionin classValueSource
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equals
public boolean equals(Object o)
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equalsin classValueSource
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hashCode
public int hashCode()
- Specified by:
hashCodein classValueSource
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