org.apache.druid.segment.column

Class GenericIndexedBasedComplexColumn

java.lang.Object

org.apache.druid.segment.column.GenericIndexedBasedComplexColumn

All Implemented Interfaces:

Closeable, AutoCloseable, BaseColumn, ComplexColumn

public class GenericIndexedBasedComplexColumn
extends Object
implements ComplexColumn

Implementation of ComplexColumn to be used when complex column serialization is done by using GenericIndexed by using default implementations of "writeToXXX" methods in ComplexColumnSerializer

Constructor Summary

Constructors

Constructor and Description
GenericIndexedBasedComplexColumn(String typeName, GenericIndexed<?> index)

Method Summary

Modifier and Type	Method and Description
void	close() Close and release any resources associated with this column.
Class<?>	getClazz()
int	getLength()
Object	getRowValue(int rowNum) Return rows in the column.
String	getTypeName()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.segment.column.ComplexColumn

makeColumnValueSelector, makeVectorObjectSelector

Methods inherited from interface org.apache.druid.segment.column.BaseColumn

makeVectorValueSelector

Constructor Detail

GenericIndexedBasedComplexColumn

public GenericIndexedBasedComplexColumn(String typeName,
                                        GenericIndexed<?> index)

Method Detail

getClazz

public Class<?> getClazz()

Specified by:

getClazz in interface ComplexColumn

Returns:

Class of objects returned on calls to ComplexColumn.getRowValue(int) .

getTypeName

public String getTypeName()

Specified by:

getTypeName in interface ComplexColumn

Returns:

Typename associated with this column.

getRowValue

public Object getRowValue(int rowNum)

Description copied from interface: ComplexColumn

Return rows in the column.

Specified by:

getRowValue in interface ComplexColumn

Parameters:

rowNum - the row number

Returns:

row object of type same as ComplexColumn.getClazz() } at row number "rowNum" .

getLength

public int getLength()

Specified by:

getLength in interface ComplexColumn

Returns:

serialized size (in bytes) of this column. -1 for unknown

close

public void close()

Description copied from interface: ComplexColumn

Close and release any resources associated with this column.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface ComplexColumn