Package org.apache.pinot.segment.spi.store

Class SegmentDirectory.Reader

java.lang.Object

org.apache.pinot.segment.spi.store.SegmentDirectory.Reader

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

SegmentDirectory.Writer

Enclosing class:

SegmentDirectory

public abstract class SegmentDirectory.Reader
extends Object
implements Closeable

Reader for columnar index buffers from segment directory

Constructor Summary

Constructors

Constructor	Description
Reader()

Method Summary

Modifier and Type	Method	Description
abstract PinotDataBuffer	getIndexFor(String column, ColumnIndexType type)	Get columnar index data buffer.
PinotDataBuffer	getStarTreeIndex()
InputStream	getStarTreeIndexMap()	The caller should close the input stream.
abstract boolean	hasIndexFor(String column, ColumnIndexType type)
SegmentDirectory	toSegmentDirectory()
abstract String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.io.Closeable

close

Constructor Detail

Reader

public Reader()

Method Detail

getIndexFor

public abstract PinotDataBuffer getIndexFor(String column,
                                            ColumnIndexType type)
                                     throws IOException

Get columnar index data buffer.

Parameters:

column - column name

type - index type

Returns:

a bytebuffer-like buffer holding index data

Throws:

IOException

hasIndexFor

public abstract boolean hasIndexFor(String column,
                                    ColumnIndexType type)

toSegmentDirectory

public SegmentDirectory toSegmentDirectory()

toString

public abstract String toString()

Overrides:

toString in class Object

getStarTreeIndex

public PinotDataBuffer getStarTreeIndex()
                                 throws IOException

Throws:

IOException

getStarTreeIndexMap

public InputStream getStarTreeIndexMap()
                                throws IOException

The caller should close the input stream.

Throws:

IOException