org.apache.lucene.search.function

Class IntFieldSource

public class IntFieldSource extends FieldCacheSource

Expert: obtains int field values from the FieldCache using getInts() 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.

Author: yonik

Constructor Summary
	IntFieldSource(String field) Create a cached int field source with default string-to-int parser.
	IntFieldSource(String field, FieldCache.IntParser parser) Create a cached int field source with a specific string-to-int parser.

Method Summary
boolean	cachedFieldSourceEquals(FieldCacheSource o)
int	cachedFieldSourceHashCode()
String	description()
DocValues	getCachedFieldValues(FieldCache cache, String field, IndexReader reader)

Constructor Detail

IntFieldSource

public IntFieldSource(String field)

Create a cached int field source with default string-to-int parser.

IntFieldSource

public IntFieldSource(String field, FieldCache.IntParser parser)

Create a cached int field source with a specific string-to-int parser.

Method Detail

cachedFieldSourceEquals

public boolean cachedFieldSourceEquals(FieldCacheSource o)

cachedFieldSourceHashCode

public int cachedFieldSourceHashCode()

description

public String description()

getCachedFieldValues

public DocValues getCachedFieldValues(FieldCache cache, String field, IndexReader reader)