Package org.apache.pinot.segment.local.utils.nativefst

Class NativeFSTIndexCreator

java.lang.Object

org.apache.pinot.segment.local.utils.nativefst.NativeFSTIndexCreator

All Implemented Interfaces:

Closeable, AutoCloseable, TextIndexCreator

public class NativeFSTIndexCreator
extends Object
implements TextIndexCreator

Constructor Summary

Constructors

Constructor	Description
NativeFSTIndexCreator(File indexDir, String columnName, String[] sortedEntries)	This index requires values of the column be added in sorted order.

Method Summary

Modifier and Type	Method	Description
void	add(String document)
void	add(String[] document, int length)
void	close()
void	seal()

Methods inherited from class java.lang.Object

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

Constructor Detail

NativeFSTIndexCreator

public NativeFSTIndexCreator(File indexDir,
                             String columnName,
                             String[] sortedEntries)

This index requires values of the column be added in sorted order. Sorted entries could be passed in through constructor or added through addSortedDictIds function. Index of the sorted entry should correspond to the dictionary id.

Parameters:

indexDir - Index directory

columnName - Column name for which index is being created

sortedEntries - Sorted entries of the unique values of the column.

Throws:

IOException

Method Detail

add

public void add(String document)

Specified by:

add in interface TextIndexCreator

add

public void add(String[] document,
                int length)

Specified by:

add in interface TextIndexCreator

seal

public void seal()
          throws IOException

Specified by:

seal in interface TextIndexCreator

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException