Module org.apache.lucene.queries

Package org.apache.lucene.queries.function

Class ValueSource.ValueSourceSortField

java.lang.Object

org.apache.lucene.search.SortField

org.apache.lucene.queries.function.ValueSource.ValueSourceSortField

Enclosing class:

ValueSource

class ValueSource.ValueSourceSortField
extends SortField

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.search.SortField

SortField.Provider, SortField.Type

Field Summary

Fields inherited from class org.apache.lucene.search.SortField

FIELD_DOC, FIELD_SCORE, missingValue, STRING_FIRST, STRING_LAST

Constructor Summary

Constructors

Constructor	Description
ValueSourceSortField(boolean reverse)

Method Summary

Modifier and Type	Method	Description
SortField	rewrite(IndexSearcher searcher)	Rewrites this SortField, returning a new SortField if a change is made.

Methods inherited from class org.apache.lucene.search.SortField

equals, getBytesComparator, getComparator, getComparatorSource, getField, getIndexSorter, getMissingValue, getOptimizeSortWithIndexedData, getOptimizeSortWithPoints, getReverse, getType, hashCode, needsScores, readType, setBytesComparator, setMissingValue, setOptimizeSortWithIndexedData, setOptimizeSortWithPoints, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ValueSourceSortField

public ValueSourceSortField(boolean reverse)

Method Details

rewrite

public SortField rewrite(IndexSearcher searcher)
                  throws IOException

Description copied from class: SortField

Rewrites this SortField, returning a new SortField if a change is made. Subclasses should override this define their rewriting behavior when this SortField is of type SortField.Type.REWRITEABLE

Overrides:

rewrite in class SortField

Parameters:

searcher - IndexSearcher to use during rewriting

Returns:

New rewritten SortField, or this if nothing has changed.

Throws:

IOException - Can be thrown by the rewriting