47 lines
875 B
JavaScript
47 lines
875 B
JavaScript
// SPDX-License-Identifier: LGPL-2.1-or-later
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// Copyright (c) 2015-2024 MariaDB Corporation Ab
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'use strict';
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import PrepareWrapper from './prepare-wrapper.js';
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/**
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* Prepare cache wrapper
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* see https://mariadb.com/kb/en/com_stmt_prepare/#com_stmt_prepare_ok
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*/
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class PrepareCacheWrapper {
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#use = 0;
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#cached;
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#prepare;
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constructor(prepare) {
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this.#prepare = prepare;
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this.#cached = true;
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}
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incrementUse() {
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this.#use += 1;
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return new PrepareWrapper(this, this.#prepare);
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}
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unCache() {
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this.#cached = false;
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if (this.#use === 0) {
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this.#prepare.close();
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}
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}
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decrementUse() {
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this.#use -= 1;
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if (this.#use === 0 && !this.#cached) {
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this.#prepare.close();
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}
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}
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toString() {
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return 'Prepare{use:' + this.#use + ',cached:' + this.#cached + '}';
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}
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}
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export default PrepareCacheWrapper;
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