| 1 | ;
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| 2 | /*!
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| 3 | * Copyright 2022 Google LLC. All Rights Reserved.
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| 4 | *
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| 5 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 6 | * you may not use this file except in compliance with the License.
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| 7 | * You may obtain a copy of the License at
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| 8 | *
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0
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| 10 | *
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| 11 | * Unless required by applicable law or agreed to in writing, software
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | * See the License for the specific language governing permissions and
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| 15 | * limitations under the License.
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| 16 | */
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| 17 | Object.defineProperty(exports, "__esModule", { value: true });
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| 18 | exports.RowBatch = exports.BATCH_LIMITS = void 0;
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| 19 | exports.BATCH_LIMITS = {
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| 20 | maxBytes: 9 * 1024 * 1024,
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| 21 | maxRows: 50000,
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| 22 | };
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| 23 | /**
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| 24 | * Call used to help batch rows.
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| 25 | *
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| 26 | * @private
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| 27 | *
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| 28 | * @param {BatchInsertOptions} options The batching options.
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| 29 | */
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| 30 | class RowBatch {
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| 31 | constructor(options) {
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| 32 | this.batchOptions = options;
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| 33 | this.rows = [];
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| 34 | this.callbacks = [];
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| 35 | this.created = Date.now();
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| 36 | this.bytes = 0;
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| 37 | }
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| 38 | /**
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| 39 | * Adds a row to the current batch.
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| 40 | *
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| 41 | * @param {object} row The row to insert.
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| 42 | * @param {InsertRowsCallback} callback The callback function.
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| 43 | */
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| 44 | add(row, callback) {
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| 45 | this.rows.push(row);
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| 46 | this.callbacks.push(callback);
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| 47 | this.bytes += Buffer.byteLength(JSON.stringify(row));
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| 48 | }
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| 49 | /**
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| 50 | * Indicates if a given row can fit in the batch.
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| 51 | *
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| 52 | * @param {object} row The row in question.
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| 53 | * @returns {boolean}
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| 54 | */
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| 55 | canFit(row) {
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| 56 | const { maxRows, maxBytes } = this.batchOptions;
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| 57 | return (this.rows.length < maxRows &&
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| 58 | this.bytes + Buffer.byteLength(JSON.stringify(row)) <= maxBytes);
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| 59 | }
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| 60 | /**
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| 61 | * Checks to see if this batch is at the maximum allowed payload size.
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| 62 | *
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| 63 | * @returns {boolean}
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| 64 | */
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| 65 | isAtMax() {
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| 66 | const { maxRows, maxBytes } = exports.BATCH_LIMITS;
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| 67 | return this.rows.length >= maxRows || this.bytes >= maxBytes;
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| 68 | }
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| 69 | /**
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| 70 | * Indicates if the batch is at capacity.
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| 71 | *
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| 72 | * @returns {boolean}
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| 73 | */
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| 74 | isFull() {
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| 75 | const { maxRows, maxBytes } = this.batchOptions;
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| 76 | return this.rows.length >= maxRows || this.bytes >= maxBytes;
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| 77 | }
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| 78 | }
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| 79 | exports.RowBatch = RowBatch;
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| 80 | //# sourceMappingURL=rowBatch.js.map |
| \ | No newline at end of file |