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

Class FSTBuilder

java.lang.Object

org.apache.pinot.segment.local.utils.fst.FSTBuilder

public class FSTBuilder
extends Object

Builds FST using lucene org.apache.lucene.util.fst.Builder library. FSTBuilder requires all the key/values be added in sorted order.

Field Summary

Fields

Modifier and Type	Field	Description
static org.slf4j.Logger	LOGGER

Constructor Summary

Constructors

Constructor	Description
FSTBuilder()

Method Summary

Modifier and Type	Method	Description
void	addEntry(String key, Integer value)
static org.apache.lucene.util.fst.FST	buildFST(SortedMap<String,Integer> input)
org.apache.lucene.util.fst.FST	done()

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

FSTBuilder

public FSTBuilder()

Method Detail

buildFST

public static org.apache.lucene.util.fst.FST buildFST(SortedMap<String,Integer> input)
                                               throws IOException

Throws:

IOException

addEntry

public void addEntry(String key,
                     Integer value)
              throws IOException

Throws:

IOException

done

public org.apache.lucene.util.fst.FST done()
                                    throws IOException

Throws:

IOException