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// automatically generated by the FlatBuffers compiler, do not modify
import * as flatbuffers from 'flatbuffers';
/**
* ----------------------------------------------------------------------
* Data structures for describing a table row batch (a collection of
* equal-length Arrow arrays)
* Metadata about a field at some level of a nested type tree (but not
* its children).
*
* For example, a List<Int16> with values `[[1, 2, 3], null, [4], [5, 6], null]`
* would have {length: 5, null_count: 2} for its List node, and {length: 6,
* null_count: 0} for its Int16 node, as separate FieldNode structs
*/
export class FieldNode {
bb: flatbuffers.ByteBuffer|null = null;
bb_pos = 0;
__init(i:number, bb:flatbuffers.ByteBuffer):FieldNode {
this.bb_pos = i;
this.bb = bb;
return this;
}
/**
* The number of value slots in the Arrow array at this level of a nested
* tree
*/
length():flatbuffers.Long {
return this.bb!.readInt64(this.bb_pos);
}
/**
* 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.
*/
nullCount():flatbuffers.Long {
return this.bb!.readInt64(this.bb_pos + 8);
}
static sizeOf():number {
return 16;
}
static createFieldNode(builder:flatbuffers.Builder, length: flatbuffers.Long, null_count: flatbuffers.Long):flatbuffers.Offset {
builder.prep(8, 16);
builder.writeInt64(null_count);
builder.writeInt64(length);
return builder.offset();
}
}
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