io.druid.segment

Class IndexIO

java.lang.Object

io.druid.segment.IndexIO

public class IndexIO
extends Object

This should be changed to use DI instead of a static reference...

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IndexIO.DefaultIndexIOHandler
static interface	IndexIO.IndexIOHandler

Field Summary

Fields

Modifier and Type	Field and Description
static ByteOrder	BYTE_ORDER
protected static ColumnConfig	columnConfig
static int	CURRENT_VERSION_ID
static byte	V8_VERSION
static byte	V9_VERSION

Constructor Summary

Constructors

Constructor and Description
IndexIO()

Method Summary

Methods

Modifier and Type	Method and Description
static void	checkFileSize(File indexFile)
static boolean	convertSegment(File toConvert, File converted)
static int	getVersionFromDir(File inDir)
static boolean	hasHandler()
static QueryableIndex	loadIndex(File inDir)
static File	makeDimFile(File dir, String dimension)
static File	makeMetricFile(File dir, String metricName, ByteOrder order)
static File	makeTimeFile(File dir, ByteOrder order)
static MMappedIndex	mapDir(File inDir) Deprecated.
static void	registerHandler(IndexIO.IndexIOHandler handler)

Methods inherited from class java.lang.Object

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

Field Detail

V8_VERSION

public static final byte V8_VERSION

See Also:

Constant Field Values

V9_VERSION

public static final byte V9_VERSION

See Also:

Constant Field Values

CURRENT_VERSION_ID

public static final int CURRENT_VERSION_ID

See Also:

Constant Field Values

BYTE_ORDER

public static final ByteOrder BYTE_ORDER

columnConfig

protected static final ColumnConfig columnConfig

Constructor Detail

IndexIO

public IndexIO()

Method Detail

mapDir

@Deprecated
public static MMappedIndex mapDir(File inDir)
                           throws IOException

Deprecated.

Throws:

IOException

loadIndex

public static QueryableIndex loadIndex(File inDir)
                                throws IOException

Throws:

IOException

hasHandler

public static boolean hasHandler()

registerHandler

public static void registerHandler(IndexIO.IndexIOHandler handler)

getVersionFromDir

public static int getVersionFromDir(File inDir)
                             throws IOException

Throws:

IOException

checkFileSize

public static void checkFileSize(File indexFile)
                          throws IOException

Throws:

IOException

convertSegment

public static boolean convertSegment(File toConvert,
                     File converted)
                              throws IOException

Throws:

IOException

makeDimFile

public static File makeDimFile(File dir,
               String dimension)

makeTimeFile

public static File makeTimeFile(File dir,
                ByteOrder order)

makeMetricFile

public static File makeMetricFile(File dir,
                  String metricName,
                  ByteOrder order)