1// Licensed to the Apache Software Foundation (ASF) under one 2// or more contributor license agreements. See the NOTICE file 3// distributed with this work for additional information 4// regarding copyright ownership. The ASF licenses this file 5// to you under the Apache License, Version 2.0 (the 6// "License"); you may not use this file except in compliance 7// with the License. You may obtain a copy of the License at 8// 9// http://www.apache.org/licenses/LICENSE-2.0 10// 11// Unless required by applicable law or agreed to in writing, 12// software distributed under the License is distributed on an 13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 14// KIND, either express or implied. See the License for the 15// specific language governing permissions and limitations 16// under the License. 17 18import { Field } from '../schema'; 19import { Builder } from '../builder'; 20import { DataType, Struct } from '../type'; 21 22/** @ignore */ 23export class StructBuilder<T extends { [key: string]: DataType } = any, TNull = any> extends Builder<Struct<T>, TNull> { 24 public addChild(child: Builder, name = `${this.numChildren}`) { 25 const childIndex = this.children.push(child); 26 this.type = new Struct([...this.type.children, new Field(name, child.type, true)]); 27 return childIndex; 28 } 29} 30