dotfiles/vscode/.vscode/extensions/randomfractalsinc.vscode-data-preview-2.3.0/node_modules/apache-arrow/builder/map.js
Errol Sancaktar ff17c17e23 vscode
2024-06-14 09:31:58 -06:00

60 lines
2.3 KiB
JavaScript

"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 });
const schema_1 = require("../schema");
const type_1 = require("../type");
const builder_1 = require("../builder");
/** @ignore */
class MapBuilder extends builder_1.VariableWidthBuilder {
set(index, value) {
return super.set(index, value);
}
setValue(index, value) {
value = value instanceof Map ? value : new Map(Object.entries(value));
const pending = this._pending || (this._pending = new Map());
const current = pending.get(index);
current && (this._pendingLength -= current.size);
this._pendingLength += value.size;
pending.set(index, value);
}
addChild(child, name = `${this.numChildren}`) {
if (this.numChildren > 0) {
throw new Error('ListBuilder can only have one child.');
}
this.children[this.numChildren] = child;
this.type = new type_1.Map_(new schema_1.Field(name, child.type, true), this.type.keysSorted);
return this.numChildren - 1;
}
_flushPending(pending) {
const offsets = this._offsets;
const setValue = this._setValue;
pending.forEach((value, index) => {
if (value === undefined) {
offsets.set(index, 0);
}
else {
offsets.set(index, value.size);
setValue(this, index, value);
}
});
}
}
exports.MapBuilder = MapBuilder;
//# sourceMappingURL=map.js.map