rc-js-util
Version:
A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.
63 lines • 2.82 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SharedObjectCleanup = exports.ESharedObjectOwnerKind = void 0;
const manged_resources_js_1 = require("../../lifecycle/manged-resources.js");
const _production_js_1 = require("../../production/_production.js");
/**
* @public
* Defines the cleanup behavior of {@link SharedObjectCleanup}
*/
var ESharedObjectOwnerKind;
(function (ESharedObjectOwnerKind) {
ESharedObjectOwnerKind[ESharedObjectOwnerKind["NotOwning"] = 1] = "NotOwning";
ESharedObjectOwnerKind[ESharedObjectOwnerKind["SharedMemoryOwner"] = 2] = "SharedMemoryOwner";
ESharedObjectOwnerKind[ESharedObjectOwnerKind["Freeable"] = 3] = "Freeable";
})(ESharedObjectOwnerKind || (exports.ESharedObjectOwnerKind = ESharedObjectOwnerKind = {}));
/**
* @public
*
* Provides reasonable defaults for cleaning up a handle to a `JsInterop::ASharedMemoryObject`.
*/
class SharedObjectCleanup {
static createWithCleanup(sharedObject, options) {
const cleanup = new SharedObjectCleanup(sharedObject, options.ownershipKind);
SharedObjectCleanup.registerCleanup(sharedObject, cleanup, options);
return cleanup;
}
static registerCleanup(sharedObject, cleanup, options) {
// regardless of owning, there might still be cleanup required
sharedObject.resourceHandle.onFreeChannel.addListener(cleanup);
sharedObject.getWrapper()
.lifecycleStrategy
.onSharedPointerCreated(sharedObject, new manged_resources_js_1.PointerDebugMetadata(sharedObject.pointer, options.ownershipKind != ESharedObjectOwnerKind.NotOwning, options.debugName), options.protectedView);
}
constructor(sharedObject, ownershipKind) {
this.ownershipKind = ownershipKind;
this.wrapper = sharedObject.getWrapper();
this.ptr = sharedObject.pointer;
}
onFree() {
switch (this.ownershipKind) {
case ESharedObjectOwnerKind.SharedMemoryOwner:
this.wrapper.instance._jsUtilDeleteObject(this.ptr);
break;
case ESharedObjectOwnerKind.Freeable:
this.wrapper.instance._jsUtilFree(this.ptr);
break;
case ESharedObjectOwnerKind.NotOwning:
// we don't need to do anything...
break;
default:
_production_js_1._Production.assertValueIsNever(this.ownershipKind);
}
}
}
exports.SharedObjectCleanup = SharedObjectCleanup;
SharedObjectCleanup.Options = class SharedObjectCleanupOptions {
constructor(debugName, protectedView, ownershipKind) {
this.debugName = debugName;
this.protectedView = protectedView;
this.ownershipKind = ownershipKind;
}
};
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