org.apache.lucene.search
Class FieldComparator.NumericComparator<T extends Number>

java.lang.Object
  org.apache.lucene.search.FieldComparator<T>
      org.apache.lucene.search.FieldComparator.NumericComparator<T>

Direct Known Subclasses:

FieldComparator.ByteComparator, FieldComparator.DoubleComparator, FieldComparator.FloatComparator, FieldComparator.IntComparator, FieldComparator.LongComparator, FieldComparator.ShortComparator

Enclosing class:

FieldComparator<T>

public abstract static class FieldComparator.NumericComparator<T extends Number>
extends FieldComparator<T>

Nested Class Summary

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

FieldComparator.ByteComparator, FieldComparator.DocComparator, FieldComparator.DoubleComparator, FieldComparator.FloatComparator, FieldComparator.IntComparator, FieldComparator.LongComparator, FieldComparator.NumericComparator<T extends Number>, FieldComparator.RelevanceComparator, FieldComparator.ShortComparator, FieldComparator.StringComparatorLocale, FieldComparator.StringOrdValComparator, FieldComparator.StringValComparator

Field Summary

protected Bits	docsWithField
protected String	field
protected T	missingValue

Constructor Summary

FieldComparator.NumericComparator(String field, T missingValue)

Method Summary

void	setNextReader(IndexReader reader, int docBase) Set a new Reader.

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

binarySearch, binarySearch, compare, compareBottom, compareValues, copy, setBottom, setScorer, value

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

missingValue

protected final T extends Number missingValue

field

protected final String field

docsWithField

protected Bits docsWithField

Constructor Detail

FieldComparator.NumericComparator

public FieldComparator.NumericComparator(String field,
                                         T missingValue)

Method Detail

setNextReader

public void setNextReader(IndexReader reader,
                          int docBase)
                   throws IOException

Description copied from class: FieldComparator

Set a new Reader. All doc correspond to the current Reader.

Specified by:

setNextReader in class FieldComparator<T extends Number>

Parameters:

reader - current reader

docBase - docBase of this reader

Throws:

IOException