java.lang.Object
- org.apache.lucene.codecs.compressing.CompressionMode
- - org.apache.lucene.codecs.lucene87.DeflateWithPresetDictCompressionMode

```
public final class DeflateWithPresetDictCompressionMode
extends CompressionMode
```
A compression mode that trades speed for compression ratio. Although compression and decompression might be slow, this compression mode should provide a good compression ratio. This mode might be interesting if/when your index size is much bigger than your OS cache.

Nested Classes
Modifier and Type	Class	Description
`private static class`	`DeflateWithPresetDictCompressionMode.DeflateWithPresetDictCompressor`
`private static class`	`DeflateWithPresetDictCompressionMode.DeflateWithPresetDictDecompressor`

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Compressor`	`newCompressor()`	Create a new `Compressor` instance.
`Decompressor`	`newDecompressor()`	Create a new `Decompressor` instance.
`java.lang.String`	`toString()`

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

Modifier and Type	Field	Description
`private static int`	`DICT_SIZE_FACTOR`
`private static int`	`NUM_SUB_BLOCKS`

Class DeflateWithPresetDictCompressionMode