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// automatically generated by the FlatBuffers compiler, do not modify
import * as flatbuffers from 'flatbuffers';
import { DictionaryKind } from './dictionary-kind.js';
import { Int } from './int.js';
export class DictionaryEncoding {
bb: flatbuffers.ByteBuffer|null = null;
bb_pos = 0;
__init(i:number, bb:flatbuffers.ByteBuffer):DictionaryEncoding {
this.bb_pos = i;
this.bb = bb;
return this;
}
static getRootAsDictionaryEncoding(bb:flatbuffers.ByteBuffer, obj?:DictionaryEncoding):DictionaryEncoding {
return (obj || new DictionaryEncoding()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
}
static getSizePrefixedRootAsDictionaryEncoding(bb:flatbuffers.ByteBuffer, obj?:DictionaryEncoding):DictionaryEncoding {
bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);
return (obj || new DictionaryEncoding()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
}
/**
* The known dictionary id in the application where this data is used. In
* the file or streaming formats, the dictionary ids are found in the
* DictionaryBatch messages
*/
id():flatbuffers.Long {
const offset = this.bb!.__offset(this.bb_pos, 4);
return offset ? this.bb!.readInt64(this.bb_pos + offset) : this.bb!.createLong(0, 0);
}
/**
* The dictionary indices are constrained to be non-negative integers. If
* this field is null, the indices must be signed int32. To maximize
* cross-language compatibility and performance, implementations are
* recommended to prefer signed integer types over unsigned integer types
* and to avoid uint64 indices unless they are required by an application.
*/
indexType(obj?:Int):Int|null {
const offset = this.bb!.__offset(this.bb_pos, 6);
return offset ? (obj || new Int()).__init(this.bb!.__indirect(this.bb_pos + offset), this.bb!) : null;
}
/**
* By default, dictionaries are not ordered, or the order does not have
* semantic meaning. In some statistical, applications, dictionary-encoding
* is used to represent ordered categorical data, and we provide a way to
* preserve that metadata here
*/
isOrdered():boolean {
const offset = this.bb!.__offset(this.bb_pos, 8);
return offset ? !!this.bb!.readInt8(this.bb_pos + offset) : false;
}
dictionaryKind():DictionaryKind {
const offset = this.bb!.__offset(this.bb_pos, 10);
return offset ? this.bb!.readInt16(this.bb_pos + offset) : DictionaryKind.DenseArray;
}
static startDictionaryEncoding(builder:flatbuffers.Builder) {
builder.startObject(4);
}
static addId(builder:flatbuffers.Builder, id:flatbuffers.Long) {
builder.addFieldInt64(0, id, builder.createLong(0, 0));
}
static addIndexType(builder:flatbuffers.Builder, indexTypeOffset:flatbuffers.Offset) {
builder.addFieldOffset(1, indexTypeOffset, 0);
}
static addIsOrdered(builder:flatbuffers.Builder, isOrdered:boolean) {
builder.addFieldInt8(2, +isOrdered, +false);
}
static addDictionaryKind(builder:flatbuffers.Builder, dictionaryKind:DictionaryKind) {
builder.addFieldInt16(3, dictionaryKind, DictionaryKind.DenseArray);
}
static endDictionaryEncoding(builder:flatbuffers.Builder):flatbuffers.Offset {
const offset = builder.endObject();
return offset;
}
}
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