org.apache.arrow.vector

Class TypeLayout

java.lang.Object

org.apache.arrow.vector.TypeLayout

public class TypeLayout
extends Object

The buffer layout of vectors for a given type. It defines its own buffers followed by the buffers for the children if it is a nested type (Struct_, List, Union)

Constructor Summary

Constructors

Constructor and Description
TypeLayout(BufferLayout... bufferLayouts)
TypeLayout(List<BufferLayout> bufferLayouts)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
List<BufferLayout>	getBufferLayouts() Returns the individual BufferLayouts for the given type.
List<BufferLayout.BufferType>	getBufferTypes() Returns the types of each buffer for this layout.
static int	getTypeBufferCount(ArrowType arrowType) Gets the number of BufferLayouts for the given arrowType.
static TypeLayout	getTypeLayout(ArrowType arrowType) Constructs a new for the given arrowType.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TypeLayout

public TypeLayout(List<BufferLayout> bufferLayouts)

TypeLayout

public TypeLayout(BufferLayout... bufferLayouts)

Method Detail

getTypeLayout

public static TypeLayout getTypeLayout(ArrowType arrowType)

Constructs a new for the given arrowType.

getTypeBufferCount

public static int getTypeBufferCount(ArrowType arrowType)

Gets the number of BufferLayouts for the given arrowType.

getBufferLayouts

public List<BufferLayout> getBufferLayouts()

Returns the individual BufferLayouts for the given type.

getBufferTypes

public List<BufferLayout.BufferType> getBufferTypes()

Returns the types of each buffer for this layout. A layout can consist of multiple buffers for example a validity bitmap buffer, a value buffer or an offset buffer.

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object