org.apache.lucene.queries.function.valuesource
Class LongFieldSource
java.lang.Object
org.apache.lucene.queries.function.ValueSource
org.apache.lucene.queries.function.valuesource.FieldCacheSource
org.apache.lucene.queries.function.valuesource.LongFieldSource
public class LongFieldSource
- extends FieldCacheSource
Obtains long field values from FieldCache.getLongs(org.apache.lucene.index.AtomicReader, java.lang.String, boolean)
and makes those
values available as other numeric types, casting as needed.
parser
protected final FieldCache.LongParser parser
LongFieldSource
public LongFieldSource(String field)
LongFieldSource
public LongFieldSource(String field,
FieldCache.LongParser parser)
description
public String description()
- Description copied from class:
ValueSource
- description of field, used in explain()
- Overrides:
description
in class FieldCacheSource
externalToLong
public long externalToLong(String extVal)
longToObject
public Object longToObject(long val)
longToString
public String longToString(long val)
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
newMutableValueLong
protected MutableValueLong newMutableValueLong()
equals
public boolean equals(Object o)
- Overrides:
equals
in class FieldCacheSource
hashCode
public int hashCode()
- Overrides:
hashCode
in class FieldCacheSource
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