apache-arrow
Version:
Apache Arrow columnar in-memory format
89 lines (87 loc) • 3.66 kB
JavaScript
;
// 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.JSONTypeAssembler = void 0;
const visitor_1 = require("../visitor");
const enum_1 = require("../enum");
/** @ignore */
class JSONTypeAssembler extends visitor_1.Visitor {
visit(node) {
return node == null ? undefined : super.visit(node);
}
visitNull({ typeId }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase() };
}
visitInt({ typeId, bitWidth, isSigned }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'bitWidth': bitWidth, 'isSigned': isSigned };
}
visitFloat({ typeId, precision }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'precision': enum_1.Precision[precision] };
}
visitBinary({ typeId }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase() };
}
visitBool({ typeId }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase() };
}
visitUtf8({ typeId }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase() };
}
visitDecimal({ typeId, scale, precision }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'scale': scale, 'precision': precision };
}
visitDate({ typeId, unit }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'unit': enum_1.DateUnit[unit] };
}
visitTime({ typeId, unit, bitWidth }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'unit': enum_1.TimeUnit[unit], bitWidth };
}
visitTimestamp({ typeId, timezone, unit }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'unit': enum_1.TimeUnit[unit], timezone };
}
visitInterval({ typeId, unit }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'unit': enum_1.IntervalUnit[unit] };
}
visitList({ typeId }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase() };
}
visitStruct({ typeId }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase() };
}
visitUnion({ typeId, mode, typeIds }) {
return {
'name': enum_1.ArrowType[typeId].toLowerCase(),
'mode': enum_1.UnionMode[mode],
'typeIds': [...typeIds]
};
}
visitDictionary(node) {
return this.visit(node.dictionary);
}
visitFixedSizeBinary({ typeId, byteWidth }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'byteWidth': byteWidth };
}
visitFixedSizeList({ typeId, listSize }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'listSize': listSize };
}
visitMap({ typeId, keysSorted }) {
return { 'name': enum_1.ArrowType[typeId].toLowerCase(), 'keysSorted': keysSorted };
}
}
exports.JSONTypeAssembler = JSONTypeAssembler;
//# sourceMappingURL=jsontypeassembler.js.map