## Uses of Class
org.apache.lucene.search.FieldComparator

- Packages that use FieldComparator
  Package | Description
  --- | ---
  org.apache.lucene.search | Code to search indices.

- - ### Uses of FieldComparator in org.apache.lucene.search

    Subclasses of FieldComparator in org.apache.lucene.search
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `FieldComparator.ByteComparator` Parses field's values as byte (using `FieldCache.getBytes(org.apache.lucene.index.AtomicReader, java.lang.String, boolean)` and sorts by ascending value
    `static class` | `FieldComparator.DocComparator` Sorts by ascending docID
    `static class` | `FieldComparator.DoubleComparator` Parses field's values as double (using `FieldCache.getDoubles(org.apache.lucene.index.AtomicReader, java.lang.String, boolean)` and sorts by ascending value
    `static class` | `FieldComparator.FloatComparator` Parses field's values as float (using `FieldCache.getFloats(org.apache.lucene.index.AtomicReader, java.lang.String, boolean)` and sorts by ascending value
    `static class` | `FieldComparator.IntComparator` Parses field's values as int (using `FieldCache.getInts(org.apache.lucene.index.AtomicReader, java.lang.String, boolean)` and sorts by ascending value
    `static class` | `FieldComparator.LongComparator` Parses field's values as long (using `FieldCache.getLongs(org.apache.lucene.index.AtomicReader, java.lang.String, boolean)` and sorts by ascending value
    `static class` | `FieldComparator.NumericComparator<T extends Number>` Base FieldComparator class for numeric types
    `static class` | `FieldComparator.RelevanceComparator` Sorts by descending relevance.
    `static class` | `FieldComparator.ShortComparator` Parses field's values as short (using `FieldCache.getShorts(org.apache.lucene.index.AtomicReader, java.lang.String, boolean)` and sorts by ascending value
    `static class` | `FieldComparator.TermOrdValComparator` Sorts by field's natural Term sort order, using ordinals.
    `static class` | `FieldComparator.TermValComparator` Sorts by field's natural Term sort order.

    Fields in org.apache.lucene.search declared as FieldComparator
    Modifier and Type | Field and Description
    --- | ---
    `protected FieldComparator<?>[]` | FieldValueHitQueue.`comparators`
    `protected FieldComparator<?>` | FieldValueHitQueue.`firstComparator`

    Methods in org.apache.lucene.search that return FieldComparator
    Modifier and Type | Method and Description
    --- | ---
    `FieldComparator<?>` | SortField.`getComparator(int numHits, int sortPos)` Returns the `FieldComparator` to use for sorting.
    `FieldComparator<?>[]` | FieldValueHitQueue.`getComparators()`
    `abstract FieldComparator<?>` | FieldComparatorSource.`newComparator(String fieldname, int numHits, int sortPos, boolean reversed)` Creates a comparator for the field in the given index.
    `abstract FieldComparator<T>` | FieldComparator.`setNextReader(AtomicReaderContext context)` Set a new `AtomicReaderContext`.
    `FieldComparator<T>` | FieldComparator.NumericComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<Byte>` | FieldComparator.ByteComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<Double>` | FieldComparator.DoubleComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<Float>` | FieldComparator.FloatComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<Short>` | FieldComparator.ShortComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<Integer>` | FieldComparator.IntComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<Long>` | FieldComparator.LongComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<Float>` | FieldComparator.RelevanceComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<Integer>` | FieldComparator.DocComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<BytesRef>` | FieldComparator.TermOrdValComparator.`setNextReader(AtomicReaderContext context)`
    `FieldComparator<BytesRef>` | FieldComparator.TermValComparator.`setNextReader(AtomicReaderContext context)`

    Methods in org.apache.lucene.search with parameters of type FieldComparator
    Modifier and Type | Method and Description
    --- | ---
    `void` | FieldValueHitQueue.`setComparator(int pos, FieldComparator<?> comparator)`

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