39 lines
1.5 KiB
TypeScript
39 lines
1.5 KiB
TypeScript
// *****************************************************************************
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// Copyright (C) 2022 Ericsson and others.
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//
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// This program and the accompanying materials are made available under the
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// terms of the Eclipse Public License v. 2.0 which is available at
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// http://www.eclipse.org/legal/epl-2.0.
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//
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// This Source Code may also be made available under the following Secondary
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// Licenses when the conditions for such availability set forth in the Eclipse
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// Public License v. 2.0 are satisfied: GNU General Public License, version 2
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// with the GNU Classpath Exception which is available at
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// https://www.gnu.org/software/classpath/license.html.
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//
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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
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// *****************************************************************************
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// copied from hhttps://github.com/microsoft/vscode/blob/6261075646f055b99068d3688932416f2346dd3b/src/vs/workbench/api/common/extHostLanguageFeatures.ts#L1291-L1310.
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export class ReferenceMap<T> {
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private readonly _references = new Map<number, T>();
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private _idPool = 1;
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createReferenceId(value: T): number {
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const id = this._idPool++;
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this._references.set(id, value);
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return id;
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}
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disposeReferenceId(referenceId: number): T | undefined {
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const value = this._references.get(referenceId);
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this._references.delete(referenceId);
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return value;
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}
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get(referenceId: number): T | undefined {
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return this._references.get(referenceId);
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}
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}
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