LuceneFSTIndexReader (Pinot local segment implementations 1.0.0 API)

java.lang.Object
- org.apache.pinot.segment.local.segment.index.readers.LuceneFSTIndexReader

All Implemented Interfaces:

Closeable, AutoCloseable, IndexReader, TextIndexReader
```
public class LuceneFSTIndexReader
extends Object
implements TextIndexReader
```
This class loads FST index from PinotDataBuffer and creates a FST reader which is used in finding matching results for regexp queries. Since FST index currently stores dict ids as values this class only implements getDictIds method.

Field Summary

Fields
Modifier and Type Field Description

static org.slf4j.Logger LOGGER

Constructor Summary

Constructors
Constructor Description

LuceneFSTIndexReader(PinotDataBuffer pinotDataBuffer)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`org.roaringbitmap.buffer.ImmutableRoaringBitmap`	`getDictIds(String searchQuery)`
`org.roaringbitmap.buffer.MutableRoaringBitmap`	`getDocIds(String searchQuery)`

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

Field Detail

LOGGER

public static final org.slf4j.Logger LOGGER

Constructor Detail

LuceneFSTIndexReader

public LuceneFSTIndexReader(PinotDataBuffer pinotDataBuffer)
                     throws IOException

Throws:: IOException

Method Detail
- getDocIds
```
public org.roaringbitmap.buffer.MutableRoaringBitmap getDocIds(String searchQuery)
```
  Specified by:
  
  getDocIds in interface TextIndexReader
- getDictIds
```
public org.roaringbitmap.buffer.ImmutableRoaringBitmap getDictIds(String searchQuery)
```
  Specified by:
  
  getDictIds in interface TextIndexReader
- close
```
public void close()
           throws IOException
```
  Specified by:
  
  close in interface AutoCloseable
  
  Specified by:
  
  close in interface Closeable
  
  Throws:
  
  IOException