DirectDocValuesFormat (Lucene 8.6.0 API)

java.lang.Object
- org.apache.lucene.codecs.DocValuesFormat
- - org.apache.lucene.codecs.memory.DirectDocValuesFormat

All Implemented Interfaces:

NamedSPILoader.NamedSPI
```
public class DirectDocValuesFormat
extends DocValuesFormat
```
In-memory docvalues format that does no (or very little) compression. Indexed values are stored on disk, but then at search time all values are loaded into memory as simple java arrays. For numeric values, it uses byte[], short[], int[], long[] as necessary to fit the range of the values. For binary values, there is an int (4 bytes) overhead per value.
Limitations:
- For binary and sorted fields the total space required for all binary values cannot exceed about 2.1 GB (see #MAX_TOTAL_BYTES_LENGTH).
- For sorted set fields, the sum of the size of each document's set of values cannot exceed about 2.1 B values (see #MAX_SORTED_SET_ORDS). For example, if every document has 10 values (10 instances of SortedSetDocValuesField) added, then no more than ~210 M documents can be added to one segment.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`MAX_SORTED_SET_ORDS`	The sum of the number of values across all documents in a sorted set field cannot exceed this.
`static int`	`MAX_TOTAL_BYTES_LENGTH`	The sum of all byte lengths for binary field, or for the unique values in sorted or sorted set fields, cannot exceed this.

Constructor Summary

Constructors
Constructor Description

DirectDocValuesFormat()
Sole constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DocValuesConsumer`	`fieldsConsumer(SegmentWriteState state)`
`DocValuesProducer`	`fieldsProducer(SegmentReadState state)`

Methods inherited from class org.apache.lucene.codecs.DocValuesFormat
availableDocValuesFormats, forName, getName, reloadDocValuesFormats, toString

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

- Field Detail
  - MAX_TOTAL_BYTES_LENGTH
```
public static final int MAX_TOTAL_BYTES_LENGTH
```
    The sum of all byte lengths for binary field, or for the unique values in sorted or sorted set fields, cannot exceed this.
  - MAX_SORTED_SET_ORDS
```
public static final int MAX_SORTED_SET_ORDS
```
    The sum of the number of values across all documents in a sorted set field cannot exceed this.
- Constructor Detail
  - DirectDocValuesFormat
```
public DirectDocValuesFormat()
```
    Sole constructor.
- Method Detail
  - fieldsConsumer
```
public DocValuesConsumer fieldsConsumer(SegmentWriteState state)
                                 throws IOException
```
    Specified by:
    
    fieldsConsumer in class DocValuesFormat
    
    Throws:
    
    IOException
  - fieldsProducer
```
public DocValuesProducer fieldsProducer(SegmentReadState state)
                                 throws IOException
```
    Specified by:
    
    fieldsProducer in class DocValuesFormat
    
    Throws:
    
    IOException