Package org.apache.lucene.search

# Class SortField.Provider

java.lang.Object
org.apache.lucene.index.SortFieldProvider
org.apache.lucene.search.SortField.Provider

All Implemented Interfaces:
  `NamedSPILoader.NamedSPI`

Enclosing class:
  `SortField`

public static final class SortField.Provider extends SortFieldProvider
A SortFieldProvider for field sorts

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static final String`
  `NAME`
  The name this Provider is registered under

  ### Fields inherited from class org.apache.lucene.index.SortFieldProvider

  `name`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `Provider()`
  Creates a new Provider

- ## Method Summary

  Modifier and Type
  Method
  Description
  `SortField`
  `readSortField(DataInput in)`
  Reads a SortField from serialized bytes
  `void`
  `writeSortField(SortField sf, DataOutput out)`
  Writes a SortField to a DataOutput

  ### Methods inherited from class org.apache.lucene.index.SortFieldProvider

  `availableSortFieldProviders, forName, getName, reloadSortFieldProviders, write`

  ### Methods inherited from class java.lang.Object

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

- ## Field Details

  - ### NAME

    public static final String NAME
    The name this Provider is registered under
    See Also:
      - Constant Field Values

- ## Constructor Details

  - ### Provider

    public Provider()
    Creates a new Provider

- ## Method Details

  - ### readSortField

    public SortField readSortField(DataInput in) throws IOException
    Description copied from class: `SortFieldProvider`
    Reads a SortField from serialized bytes
    Specified by:
      `readSortField` in class `SortFieldProvider`
    Throws:
      `IOException`

  - ### writeSortField

    public void writeSortField(SortField sf, DataOutput out) throws IOException
    Description copied from class: `SortFieldProvider`
    Writes a SortField to a DataOutput

    This is used to record index sort information in segment headers

    Specified by:
      `writeSortField` in class `SortFieldProvider`
    Throws:
      `IOException`