org.apache.druid.frame.write.columnar

Class ComplexFrameColumnWriter

java.lang.Object

org.apache.druid.frame.write.columnar.ComplexFrameColumnWriter

All Implemented Interfaces:

Closeable, AutoCloseable, FrameColumnWriter

public class ComplexFrameColumnWriter
extends Object
implements FrameColumnWriter

Column writer for complex columns. Dual to ComplexFrameColumnReader.

Field Summary

Fields

Modifier and Type	Field and Description
static byte	NOT_NULL_MARKER
static byte	NULL_MARKER
static int	TYPE_NAME_LENGTH_POSITION
static int	TYPE_NAME_POSITION

Method Summary

Modifier and Type	Method and Description
boolean	addSelection()
void	close()
long	size()
void	undo()
long	writeTo(org.apache.datasketches.memory.WritableMemory memory, long startPosition)

Methods inherited from class java.lang.Object

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

Field Detail

NOT_NULL_MARKER

public static final byte NOT_NULL_MARKER

See Also:

Constant Field Values

NULL_MARKER

public static final byte NULL_MARKER

See Also:

Constant Field Values

TYPE_NAME_LENGTH_POSITION

public static final int TYPE_NAME_LENGTH_POSITION

See Also:

Constant Field Values

TYPE_NAME_POSITION

public static final int TYPE_NAME_POSITION

See Also:

Constant Field Values

Method Detail

addSelection

public boolean addSelection()

Specified by:

addSelection in interface FrameColumnWriter

undo

public void undo()

Specified by:

undo in interface FrameColumnWriter

size

public long size()

Specified by:

size in interface FrameColumnWriter

writeTo

public long writeTo(org.apache.datasketches.memory.WritableMemory memory,
                    long startPosition)

Specified by:

writeTo in interface FrameColumnWriter

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface FrameColumnWriter