PointsWriter (Lucene 9.0.0 core API)

java.lang.Object
- org.apache.lucene.codecs.PointsWriter

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

Lucene90PointsWriter
```
public abstract class PointsWriter
extends Object
implements Closeable
```
Abstract API to write points

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary

Constructors
Modifier Constructor Description

protected PointsWriter()
Sole constructor.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract void`	`finish()`	Called once at the end before close
`void`	`merge(MergeState mergeState)`	Default merge implementation to merge incoming points readers by visiting all their points and adding to this writer
`protected void`	`mergeOneField(MergeState mergeState, FieldInfo fieldInfo)`	Default naive merge implementation for one field: it just re-indexes all the values from the incoming segment.
`abstract void`	`writeField(FieldInfo fieldInfo, PointsReader values)`	Write all values contained in the provided reader

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

Methods inherited from interface java.io.Closeable
close

- Constructor Detail
  - PointsWriter
```
protected PointsWriter()
```
    Sole constructor. (For invocation by subclass constructors, typically implicit.)
- Method Detail
  - writeField
```
public abstract void writeField(FieldInfo fieldInfo,
                                PointsReader values)
                         throws IOException
```
    Write all values contained in the provided reader
    
    Throws:
    
    IOException
  - mergeOneField
```
protected void mergeOneField(MergeState mergeState,
                             FieldInfo fieldInfo)
                      throws IOException
```
    Default naive merge implementation for one field: it just re-indexes all the values from the incoming segment. The default codec overrides this for 1D fields and uses a faster but more complex implementation.
    
    Throws:
    
    IOException
  - merge
```
public void merge(MergeState mergeState)
           throws IOException
```
    Default merge implementation to merge incoming points readers by visiting all their points and adding to this writer
    
    Throws:
    
    IOException
  - finish
```
public abstract void finish()
                     throws IOException
```
    Called once at the end before close
    
    Throws:
    
    IOException