io.druid.segment

Class IndexIO

java.lang.Object

io.druid.segment.IndexIO

public class IndexIO
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IndexIO.DefaultIndexIOHandler

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
IndexIO(com.fasterxml.jackson.databind.ObjectMapper mapper, ColumnConfig columnConfig)

Method Summary

Modifier and Type	Method and Description
static void	checkFileSize(File indexFile)
boolean	convertSegment(File toConvert, File converted, IndexSpec indexSpec)
boolean	convertSegment(File toConvert, File converted, IndexSpec indexSpec, boolean forceIfCurrent, boolean validate)
IndexIO.DefaultIndexIOHandler	getDefaultIndexIOHandler()
static int	getVersionFromDir(File inDir)
QueryableIndex	loadIndex(File inDir)
static File	makeDimFile(File dir, String dimension)
static File	makeMetricFile(File dir, String metricName, ByteOrder order)
static File	makeNumericDimFile(File dir, String dimension, ByteOrder order)
static File	makeTimeFile(File dir, ByteOrder order)
static void	validateRowValues(Map<String,DimensionHandler> dimHandlers, Rowboat rb1, IndexableAdapter adapter1, Rowboat rb2, IndexableAdapter adapter2)
void	validateTwoSegments(File dir1, File dir2)
void	validateTwoSegments(IndexableAdapter adapter1, IndexableAdapter adapter2)

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

Constructor Detail

IndexIO

@Inject
public IndexIO(com.fasterxml.jackson.databind.ObjectMapper mapper,
                       ColumnConfig columnConfig)

Method Detail

validateTwoSegments

public void validateTwoSegments(File dir1,
                                File dir2)
                         throws IOException

Throws:

IOException

validateTwoSegments

public void validateTwoSegments(IndexableAdapter adapter1,
                                IndexableAdapter adapter2)

loadIndex

public QueryableIndex loadIndex(File inDir)
                         throws IOException

Throws:

IOException

getVersionFromDir

public static int getVersionFromDir(File inDir)
                             throws IOException

Throws:

IOException

checkFileSize

public static void checkFileSize(File indexFile)
                          throws IOException

Throws:

IOException

convertSegment

public boolean convertSegment(File toConvert,
                              File converted,
                              IndexSpec indexSpec)
                       throws IOException

Throws:

IOException

convertSegment

public boolean convertSegment(File toConvert,
                              File converted,
                              IndexSpec indexSpec,
                              boolean forceIfCurrent,
                              boolean validate)
                       throws IOException

Throws:

IOException

getDefaultIndexIOHandler

public IndexIO.DefaultIndexIOHandler getDefaultIndexIOHandler()

validateRowValues

public static void validateRowValues(Map<String,DimensionHandler> dimHandlers,
                                     Rowboat rb1,
                                     IndexableAdapter adapter1,
                                     Rowboat rb2,
                                     IndexableAdapter adapter2)

makeDimFile

public static File makeDimFile(File dir,
                               String dimension)

makeNumericDimFile

public static File makeNumericDimFile(File dir,
                                      String dimension,
                                      ByteOrder order)

makeTimeFile

public static File makeTimeFile(File dir,
                                ByteOrder order)

makeMetricFile

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