Backend half

SerpentRace_Backend/node_modules/mariadb/lib/cmd/class/prepare-wrapper.js

@@ -0,0 +1,70 @@
+//  SPDX-License-Identifier: LGPL-2.1-or-later
+//  Copyright (c) 2015-2024 MariaDB Corporation Ab
+
+'use strict';
+
+/**
+ * Prepare result wrapper
+ * This permit to ensure that cache can be close only one time cache.
+ */
+class PrepareWrapper {
+  #closed = false;
+  #cacheWrapper;
+  #prepare;
+  #conn;
+
+  constructor(cacheWrapper, prepare) {
+    this.#cacheWrapper = cacheWrapper;
+    this.#prepare = prepare;
+    this.#conn = prepare.conn;
+    this.execute = this.#prepare.execute;
+    this.executeStream = this.#prepare.executeStream;
+  }
+  get conn() {
+    return this.#conn;
+  }
+
+  get id() {
+    return this.#prepare.id;
+  }
+
+  get parameterCount() {
+    return this.#prepare.parameterCount;
+  }
+
+  get _placeHolderIndex() {
+    return this.#prepare._placeHolderIndex;
+  }
+
+  get columns() {
+    return this.#prepare.columns;
+  }
+
+  set columns(columns) {
+    this.#prepare.columns = columns;
+  }
+  get database() {
+    return this.#prepare.database;
+  }
+
+  get query() {
+    return this.#prepare.query;
+  }
+
+  isClose() {
+    return this.#closed;
+  }
+
+  close() {
+    if (!this.#closed) {
+      this.#closed = true;
+      this.#cacheWrapper.decrementUse();
+    }
+  }
+
+  toString() {
+    return 'PrepareWrapper{closed:' + this.#closed + ',cache:' + this.#cacheWrapper + '}';
+  }
+}
+
+module.exports = PrepareWrapper;