public class ByteFieldSource extends FieldCacheSource
FieldCache
using getBytes()
and makes those values
available as other numeric types, casting as needed.
WARNING: The status of the search.function package is experimental. The APIs introduced here might change in the future and will not be supported anymore in such a case.
Constructor and Description |
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ByteFieldSource(String field)
Create a cached byte field source with default string-to-byte parser.
|
ByteFieldSource(String field,
FieldCache.ByteParser parser)
Create a cached byte field source with a specific string-to-byte parser.
|
Modifier and Type | Method and Description |
---|---|
boolean |
cachedFieldSourceEquals(FieldCacheSource o)
Check if equals to another
FieldCacheSource , already knowing that cache and field are equal. |
int |
cachedFieldSourceHashCode()
Return a hash code of a
FieldCacheSource , without the hash-codes of the field
and the cache (those are taken care of elsewhere). |
String |
description()
description of field, used in explain()
|
DocValues |
getCachedFieldValues(FieldCache cache,
String field,
IndexReader reader)
Return cached DocValues for input field and reader.
|
equals, getValues, hashCode
toString
public ByteFieldSource(String field)
public ByteFieldSource(String field, FieldCache.ByteParser parser)
public String description()
ValueSource
description
in class FieldCacheSource
public DocValues getCachedFieldValues(FieldCache cache, String field, IndexReader reader) throws IOException
FieldCacheSource
getCachedFieldValues
in class FieldCacheSource
cache
- FieldCache so that values of a field are loaded once per reader (RAM allowing)field
- Field for which values are required.IOException
ValueSource
public boolean cachedFieldSourceEquals(FieldCacheSource o)
FieldCacheSource
FieldCacheSource
, already knowing that cache and field are equal.cachedFieldSourceEquals
in class FieldCacheSource
Object.equals(java.lang.Object)
public int cachedFieldSourceHashCode()
FieldCacheSource
FieldCacheSource
, without the hash-codes of the field
and the cache (those are taken care of elsewhere).cachedFieldSourceHashCode
in class FieldCacheSource
Object.hashCode()
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