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// automatically generated by the FlatBuffers compiler, do not modify
import * as flatbuffers from 'flatbuffers';
import { Block } from './block.js';
import { KeyValue } from './key-value.js';
import { MetadataVersion } from './metadata-version.js';
import { Schema } from './schema.js';
/**
* ----------------------------------------------------------------------
* Arrow File metadata
*
*/
export class Footer {
bb: flatbuffers.ByteBuffer|null = null;
bb_pos = 0;
__init(i:number, bb:flatbuffers.ByteBuffer):Footer {
this.bb_pos = i;
this.bb = bb;
return this;
}
static getRootAsFooter(bb:flatbuffers.ByteBuffer, obj?:Footer):Footer {
return (obj || new Footer()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
}
static getSizePrefixedRootAsFooter(bb:flatbuffers.ByteBuffer, obj?:Footer):Footer {
bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);
return (obj || new Footer()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
}
version():MetadataVersion {
const offset = this.bb!.__offset(this.bb_pos, 4);
return offset ? this.bb!.readInt16(this.bb_pos + offset) : MetadataVersion.V1;
}
schema(obj?:Schema):Schema|null {
const offset = this.bb!.__offset(this.bb_pos, 6);
return offset ? (obj || new Schema()).__init(this.bb!.__indirect(this.bb_pos + offset), this.bb!) : null;
}
dictionaries(index: number, obj?:Block):Block|null {
const offset = this.bb!.__offset(this.bb_pos, 8);
return offset ? (obj || new Block()).__init(this.bb!.__vector(this.bb_pos + offset) + index * 24, this.bb!) : null;
}
dictionariesLength():number {
const offset = this.bb!.__offset(this.bb_pos, 8);
return offset ? this.bb!.__vector_len(this.bb_pos + offset) : 0;
}
recordBatches(index: number, obj?:Block):Block|null {
const offset = this.bb!.__offset(this.bb_pos, 10);
return offset ? (obj || new Block()).__init(this.bb!.__vector(this.bb_pos + offset) + index * 24, this.bb!) : null;
}
recordBatchesLength():number {
const offset = this.bb!.__offset(this.bb_pos, 10);
return offset ? this.bb!.__vector_len(this.bb_pos + offset) : 0;
}
/**
* User-defined metadata
*/
customMetadata(index: number, obj?:KeyValue):KeyValue|null {
const offset = this.bb!.__offset(this.bb_pos, 12);
return offset ? (obj || new KeyValue()).__init(this.bb!.__indirect(this.bb!.__vector(this.bb_pos + offset) + index * 4), this.bb!) : null;
}
customMetadataLength():number {
const offset = this.bb!.__offset(this.bb_pos, 12);
return offset ? this.bb!.__vector_len(this.bb_pos + offset) : 0;
}
static startFooter(builder:flatbuffers.Builder) {
builder.startObject(5);
}
static addVersion(builder:flatbuffers.Builder, version:MetadataVersion) {
builder.addFieldInt16(0, version, MetadataVersion.V1);
}
static addSchema(builder:flatbuffers.Builder, schemaOffset:flatbuffers.Offset) {
builder.addFieldOffset(1, schemaOffset, 0);
}
static addDictionaries(builder:flatbuffers.Builder, dictionariesOffset:flatbuffers.Offset) {
builder.addFieldOffset(2, dictionariesOffset, 0);
}
static startDictionariesVector(builder:flatbuffers.Builder, numElems:number) {
builder.startVector(24, numElems, 8);
}
static addRecordBatches(builder:flatbuffers.Builder, recordBatchesOffset:flatbuffers.Offset) {
builder.addFieldOffset(3, recordBatchesOffset, 0);
}
static startRecordBatchesVector(builder:flatbuffers.Builder, numElems:number) {
builder.startVector(24, numElems, 8);
}
static addCustomMetadata(builder:flatbuffers.Builder, customMetadataOffset:flatbuffers.Offset) {
builder.addFieldOffset(4, customMetadataOffset, 0);
}
static createCustomMetadataVector(builder:flatbuffers.Builder, data:flatbuffers.Offset[]):flatbuffers.Offset {
builder.startVector(4, data.length, 4);
for (let i = data.length - 1; i >= 0; i--) {
builder.addOffset(data[i]!);
}
return builder.endVector();
}
static startCustomMetadataVector(builder:flatbuffers.Builder, numElems:number) {
builder.startVector(4, numElems, 4);
}
static endFooter(builder:flatbuffers.Builder):flatbuffers.Offset {
const offset = builder.endObject();
return offset;
}
static finishFooterBuffer(builder:flatbuffers.Builder, offset:flatbuffers.Offset) {
builder.finish(offset);
}
static finishSizePrefixedFooterBuffer(builder:flatbuffers.Builder, offset:flatbuffers.Offset) {
builder.finish(offset, undefined, true);
}
}
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