org.apache.arrow.flatbuf

Class FieldNode

java.lang.Object

com.google.flatbuffers.Struct

org.apache.arrow.flatbuf.FieldNode

public final class FieldNode
extends com.google.flatbuffers.Struct

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FieldNode.Vector

Field Summary

Fields inherited from class com.google.flatbuffers.Struct

bb, bb_pos

Constructor Summary

Constructors

Constructor and Description
FieldNode()

Method Summary

Modifier and Type	Method and Description
FieldNode	__assign(int _i, ByteBuffer _bb)
void	__init(int _i, ByteBuffer _bb)
static int	createFieldNode(com.google.flatbuffers.FlatBufferBuilder builder, long length, long nullCount)
long	length() The number of value slots in the Arrow array at this level of a nested tree
long	nullCount() The number of observed nulls.

Methods inherited from class com.google.flatbuffers.Struct

__reset, __reset

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldNode

public FieldNode()

Method Detail

__init

public void __init(int _i,
                   ByteBuffer _bb)

__assign

public FieldNode __assign(int _i,
                          ByteBuffer _bb)

length

public long length()

The number of value slots in the Arrow array at this level of a nested tree

nullCount

public long nullCount()

The number of observed nulls. Fields with null_count == 0 may choose not to write their physical validity bitmap out as a materialized buffer, instead setting the length of the bitmap buffer to 0.

createFieldNode

public static int createFieldNode(com.google.flatbuffers.FlatBufferBuilder builder,
                                  long length,
                                  long nullCount)