Package org.apache.pinot.segment.local.indexsegment.immutable

Class EmptyIndexSegment

java.lang.Object

org.apache.pinot.segment.local.indexsegment.immutable.EmptyIndexSegment

All Implemented Interfaces:

ImmutableSegment, IndexSegment

public class EmptyIndexSegment
extends Object
implements ImmutableSegment

Immutable segment impl for empty segment Such an IndexSegment contains only the metadata, and no indexes

Constructor Summary

Constructors

Constructor	Description
EmptyIndexSegment(SegmentMetadataImpl segmentMetadata)

Method Summary

Modifier and Type	Method	Description
void	destroy()
Set<String>	getColumnNames()
DataSource	getDataSource(String column)
Dictionary	getDictionary(String column)
ForwardIndexReader	getForwardIndex(String column)
InvertedIndexReader	getInvertedIndex(String column)
Set<String>	getPhysicalColumnNames()
GenericRow	getRecord(int docId, GenericRow reuse)
SegmentMetadataImpl	getSegmentMetadata()
String	getSegmentName()
long	getSegmentSizeBytes()
List<StarTreeV2>	getStarTrees()
String	getTier()
ThreadSafeMutableRoaringBitmap	getValidDocIds()
Object	getValue(int docId, String column)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pinot.segment.spi.IndexSegment

acquire, prefetch, release

Constructor Detail

EmptyIndexSegment

public EmptyIndexSegment(SegmentMetadataImpl segmentMetadata)

Method Detail

getSegmentName

public String getSegmentName()

Specified by:

getSegmentName in interface IndexSegment

getSegmentMetadata

public SegmentMetadataImpl getSegmentMetadata()

Specified by:

getSegmentMetadata in interface IndexSegment

getDataSource

public DataSource getDataSource(String column)

Specified by:

getDataSource in interface IndexSegment

getColumnNames

public Set<String> getColumnNames()

Specified by:

getColumnNames in interface IndexSegment

getPhysicalColumnNames

public Set<String> getPhysicalColumnNames()

Specified by:

getPhysicalColumnNames in interface IndexSegment

destroy

public void destroy()

Specified by:

destroy in interface IndexSegment

getStarTrees

public List<StarTreeV2> getStarTrees()

Specified by:

getStarTrees in interface IndexSegment

getValidDocIds

@Nullable
public ThreadSafeMutableRoaringBitmap getValidDocIds()

Specified by:

getValidDocIds in interface IndexSegment

getRecord

public GenericRow getRecord(int docId,
                            GenericRow reuse)

Specified by:

getRecord in interface IndexSegment

getValue

public Object getValue(int docId,
                       String column)

Specified by:

getValue in interface IndexSegment

getDictionary

public Dictionary getDictionary(String column)

Specified by:

getDictionary in interface ImmutableSegment

getForwardIndex

public ForwardIndexReader getForwardIndex(String column)

Specified by:

getForwardIndex in interface ImmutableSegment

getInvertedIndex

public InvertedIndexReader getInvertedIndex(String column)

Specified by:

getInvertedIndex in interface ImmutableSegment

getSegmentSizeBytes

public long getSegmentSizeBytes()

Specified by:

getSegmentSizeBytes in interface ImmutableSegment

getTier

@Nullable
public String getTier()

Specified by:

getTier in interface ImmutableSegment