parquets/src/thrift/DataPageHeader.ts

TypeScript implementation of the Parquet file format, based on parquet.js

/* tslint:disable */
/* eslint-disable */
/*
 * Autogenerated by @creditkarma/thrift-typescript v3.7.2
 * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
*/
import * as thrift from "thrift";
import * as Encoding from "./Encoding";
import * as Statistics from "./Statistics";
export interface IDataPageHeaderArgs {
  num_values: number;
  encoding: Encoding.Encoding;
  definition_level_encoding: Encoding.Encoding;
  repetition_level_encoding: Encoding.Encoding;
  statistics?: Statistics.Statistics;
}
export class DataPageHeader {
  public num_values: number;
  public encoding: Encoding.Encoding;
  public definition_level_encoding: Encoding.Encoding;
  public repetition_level_encoding: Encoding.Encoding;
  public statistics?: Statistics.Statistics;
  constructor(args: IDataPageHeaderArgs) {
    if (args != null && args.num_values != null) {
      this.num_values = args.num_values;
    }
    else {
      throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Required field[num_values] is unset!");
    }
    if (args != null && args.encoding != null) {
      this.encoding = args.encoding;
    }
    else {
      throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Required field[encoding] is unset!");
    }
    if (args != null && args.definition_level_encoding != null) {
      this.definition_level_encoding = args.definition_level_encoding;
    }
    else {
      throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Required field[definition_level_encoding] is unset!");
    }
    if (args != null && args.repetition_level_encoding != null) {
      this.repetition_level_encoding = args.repetition_level_encoding;
    }
    else {
      throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Required field[repetition_level_encoding] is unset!");
    }
    if (args != null && args.statistics != null) {
      this.statistics = args.statistics;
    }
  }
  public write(output: thrift.TProtocol): void {
    output.writeStructBegin("DataPageHeader");
    if (this.num_values != null) {
      output.writeFieldBegin("num_values", thrift.Thrift.Type.I32, 1);
      output.writeI32(this.num_values);
      output.writeFieldEnd();
    }
    if (this.encoding != null) {
      output.writeFieldBegin("encoding", thrift.Thrift.Type.I32, 2);
      output.writeI32(this.encoding);
      output.writeFieldEnd();
    }
    if (this.definition_level_encoding != null) {
      output.writeFieldBegin("definition_level_encoding", thrift.Thrift.Type.I32, 3);
      output.writeI32(this.definition_level_encoding);
      output.writeFieldEnd();
    }
    if (this.repetition_level_encoding != null) {
      output.writeFieldBegin("repetition_level_encoding", thrift.Thrift.Type.I32, 4);
      output.writeI32(this.repetition_level_encoding);
      output.writeFieldEnd();
    }
    if (this.statistics != null) {
      output.writeFieldBegin("statistics", thrift.Thrift.Type.STRUCT, 5);
      this.statistics.write(output);
      output.writeFieldEnd();
    }
    output.writeFieldStop();
    output.writeStructEnd();
    return;
  }
  public static read(input: thrift.TProtocol): DataPageHeader {
    input.readStructBegin();
    let _args: any = {};
    while (true) {
      const ret: thrift.TField = input.readFieldBegin();
      const fieldType: thrift.Thrift.Type = ret.ftype;
      const fieldId: number = ret.fid;
      if (fieldType === thrift.Thrift.Type.STOP) {
        break;
      }
      switch (fieldId) {
        case 1:
          if (fieldType === thrift.Thrift.Type.I32) {
            const value_1: number = input.readI32();
            _args.num_values = value_1;
          }
          else {
            input.skip(fieldType);
          }
          break;
        case 2:
          if (fieldType === thrift.Thrift.Type.I32) {
            const value_2: Encoding.Encoding = input.readI32();
            _args.encoding = value_2;
          }
          else {
            input.skip(fieldType);
          }
          break;
        case 3:
          if (fieldType === thrift.Thrift.Type.I32) {
            const value_3: Encoding.Encoding = input.readI32();
            _args.definition_level_encoding = value_3;
          }
          else {
            input.skip(fieldType);
          }
          break;
        case 4:
          if (fieldType === thrift.Thrift.Type.I32) {
            const value_4: Encoding.Encoding = input.readI32();
            _args.repetition_level_encoding = value_4;
          }
          else {
            input.skip(fieldType);
          }
          break;
        case 5:
          if (fieldType === thrift.Thrift.Type.STRUCT) {
            const value_5: Statistics.Statistics = Statistics.Statistics.read(input);
            _args.statistics = value_5;
          }
          else {
            input.skip(fieldType);
          }
          break;
        default: {
          input.skip(fieldType);
        }
      }
      input.readFieldEnd();
    }
    input.readStructEnd();
    if (_args.num_values !== undefined && _args.encoding !== undefined && _args.definition_level_encoding !== undefined && _args.repetition_level_encoding !== undefined) {
      return new DataPageHeader(_args);
    }
    else {
      throw new thrift.Thrift.TProtocolException(thrift.Thrift.TProtocolExceptionType.UNKNOWN, "Unable to read DataPageHeader from input");
    }
  }
}