FieldComparator.NumericComparator

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

All Implemented Interfaces:

LeafFieldComparator

Direct Known Subclasses:

FieldComparator.DoubleComparator, FieldComparator.FloatComparator, FieldComparator.IntComparator, FieldComparator.LongComparator

Enclosing class:

FieldComparator<T>
```
public abstract static class FieldComparator.NumericComparator<T extends java.lang.Number>
extends SimpleFieldComparator<T>
```
Base FieldComparator class for numeric types

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.lucene.search.FieldComparator
  FieldComparator.DocComparator, FieldComparator.DoubleComparator, FieldComparator.FloatComparator, FieldComparator.IntComparator, FieldComparator.LongComparator, FieldComparator.NumericComparator<T extends java.lang.Number>, FieldComparator.RelevanceComparator, FieldComparator.TermOrdValComparator, FieldComparator.TermValComparator

Field Summary

Fields
Modifier and Type Field Description

protected NumericDocValues currentReaderValues

protected java.lang.String field

protected T missingValue

Constructor Summary

Constructors
Constructor Description

NumericComparator(java.lang.String field, T missingValue)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`doSetNextReader(LeafReaderContext context)`	This method is called before collecting `context`.
`protected NumericDocValues`	`getNumericDocValues(LeafReaderContext context, java.lang.String field)`	Retrieves the NumericDocValues for the field in this segment

Methods inherited from class org.apache.lucene.search.SimpleFieldComparator
getLeafComparator, setScorer

Methods inherited from class org.apache.lucene.search.FieldComparator
compare, compareValues, setTopValue, value

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.lucene.search.LeafFieldComparator
compareBottom, compareTop, copy, setBottom

Field Detail

missingValue

protected final T extends java.lang.Number missingValue

field
```
protected final java.lang.String field
```

currentReaderValues

protected NumericDocValues currentReaderValues

Constructor Detail

NumericComparator

public NumericComparator(java.lang.String field,
                         T missingValue)

Method Detail
- doSetNextReader
```
protected void doSetNextReader(LeafReaderContext context)
                        throws java.io.IOException
```
  Description copied from class: SimpleFieldComparator
  
  This method is called before collecting context.
  
  Specified by:
  
  doSetNextReader in class SimpleFieldComparator<T extends java.lang.Number>
  
  Throws:
  
  java.io.IOException
- getNumericDocValues
```
protected NumericDocValues getNumericDocValues(LeafReaderContext context,
                                               java.lang.String field)
                                        throws java.io.IOException
```
  Retrieves the NumericDocValues for the field in this segment
  
  Throws:
  
  java.io.IOException