org.apache.lucene.queries.function.valuesource
Class FieldCacheSource
java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.queries.function.valuesource.FieldCacheSource
- Direct Known Subclasses:
- ByteFieldSource, BytesRefFieldSource, DoubleFieldSource, EnumFieldSource, FloatFieldSource, IntFieldSource, JoinDocFreqValueSource, LongFieldSource, ShortFieldSource
public abstract class FieldCacheSource
- extends ValueSource
A base class for ValueSource implementations that retrieve values for
a single field from the FieldCache
.
field
protected final String field
cache
protected final FieldCache cache
FieldCacheSource
public FieldCacheSource(String field)
getFieldCache
public FieldCache getFieldCache()
getField
public String getField()
description
public String description()
- Description copied from class:
ValueSource
- description of field, used in explain()
- Specified by:
description
in class ValueSource
equals
public boolean equals(Object o)
- Specified by:
equals
in class ValueSource
hashCode
public int hashCode()
- Specified by:
hashCode
in class ValueSource
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