apache-arrow/builder/fixedsizelist.js

Apache Arrow columnar in-memory format

"use strict";
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
Object.defineProperty(exports, "__esModule", { value: true });
exports.FixedSizeListBuilder = void 0;
const run_1 = require("./run");
const schema_1 = require("../schema");
const builder_1 = require("../builder");
const type_1 = require("../type");
/** @ignore */
class FixedSizeListBuilder extends builder_1.Builder {
    constructor() {
        super(...arguments);
        this._run = new run_1.Run();
    }
    setValue(index, value) {
        super.setValue(index, this._run.bind(value));
    }
    addChild(child, name = '0') {
        if (this.numChildren > 0) {
            throw new Error('FixedSizeListBuilder can only have one child.');
        }
        const childIndex = this.children.push(child);
        this.type = new type_1.FixedSizeList(this.type.listSize, new schema_1.Field(name, child.type, true));
        return childIndex;
    }
    clear() {
        this._run.clear();
        return super.clear();
    }
}
exports.FixedSizeListBuilder = FixedSizeListBuilder;

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