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- {"ast":null,"code":"/**\n * Helper class to push actions to a pool of workers.\n */\nexport class WorkerPool {\n /**\n * Constructor\n * @param workers Array of workers to use for actions\n */\n constructor(workers) {\n this._pendingActions = new Array();\n this._workerInfos = workers.map(worker => ({\n workerPromise: Promise.resolve(worker),\n idle: true\n }));\n }\n /**\n * Terminates all workers and clears any pending actions.\n */\n dispose() {\n for (const workerInfo of this._workerInfos) {\n workerInfo.workerPromise.then(worker => {\n worker.terminate();\n });\n }\n this._workerInfos.length = 0;\n this._pendingActions.length = 0;\n }\n /**\n * Pushes an action to the worker pool. If all the workers are active, the action will be\n * pended until a worker has completed its action.\n * @param action The action to perform. Call onComplete when the action is complete.\n */\n push(action) {\n if (!this._executeOnIdleWorker(action)) {\n this._pendingActions.push(action);\n }\n }\n _executeOnIdleWorker(action) {\n for (const workerInfo of this._workerInfos) {\n if (workerInfo.idle) {\n this._execute(workerInfo, action);\n return true;\n }\n }\n return false;\n }\n _execute(workerInfo, action) {\n workerInfo.idle = false;\n workerInfo.workerPromise.then(worker => {\n action(worker, () => {\n const nextAction = this._pendingActions.shift();\n if (nextAction) {\n this._execute(workerInfo, nextAction);\n } else {\n workerInfo.idle = true;\n }\n });\n });\n }\n}\n/**\n * Similar to the WorkerPool class except it creates and destroys workers automatically with a maximum of `maxWorkers` workers.\n * Workers are terminated when it is idle for at least `idleTimeElapsedBeforeRelease` milliseconds.\n */\nexport class AutoReleaseWorkerPool extends WorkerPool {\n constructor(maxWorkers, createWorkerAsync, options = AutoReleaseWorkerPool.DefaultOptions) {\n super([]);\n this._maxWorkers = maxWorkers;\n this._createWorkerAsync = createWorkerAsync;\n this._options = options;\n }\n push(action) {\n if (!this._executeOnIdleWorker(action)) {\n if (this._workerInfos.length < this._maxWorkers) {\n const workerInfo = {\n workerPromise: this._createWorkerAsync(),\n idle: false\n };\n this._workerInfos.push(workerInfo);\n this._execute(workerInfo, action);\n } else {\n this._pendingActions.push(action);\n }\n }\n }\n _execute(workerInfo, action) {\n // Reset the idle timeout.\n if (workerInfo.timeoutId) {\n clearTimeout(workerInfo.timeoutId);\n delete workerInfo.timeoutId;\n }\n super._execute(workerInfo, (worker, onComplete) => {\n action(worker, () => {\n onComplete();\n if (workerInfo.idle) {\n // Schedule the worker to be terminated after the elapsed time.\n workerInfo.timeoutId = setTimeout(() => {\n workerInfo.workerPromise.then(worker => {\n worker.terminate();\n });\n const indexOf = this._workerInfos.indexOf(workerInfo);\n if (indexOf !== -1) {\n this._workerInfos.splice(indexOf, 1);\n }\n }, this._options.idleTimeElapsedBeforeRelease);\n }\n });\n });\n }\n}\n/**\n * Default options for the constructor.\n * Override to change the defaults.\n */\nAutoReleaseWorkerPool.DefaultOptions = {\n idleTimeElapsedBeforeRelease: 1000\n};","map":{"version":3,"names":["WorkerPool","constructor","workers","_pendingActions","Array","_workerInfos","map","worker","workerPromise","Promise","resolve","idle","dispose","workerInfo","then","terminate","length","push","action","_executeOnIdleWorker","_execute","nextAction","shift","AutoReleaseWorkerPool","maxWorkers","createWorkerAsync","options","DefaultOptions","_maxWorkers","_createWorkerAsync","_options","timeoutId","clearTimeout","onComplete","setTimeout","indexOf","splice","idleTimeElapsedBeforeRelease"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Misc/workerPool.js"],"sourcesContent":["/**\n * Helper class to push actions to a pool of workers.\n */\nexport class WorkerPool {\n /**\n * Constructor\n * @param workers Array of workers to use for actions\n */\n constructor(workers) {\n this._pendingActions = new Array();\n this._workerInfos = workers.map((worker) => ({\n workerPromise: Promise.resolve(worker),\n idle: true,\n }));\n }\n /**\n * Terminates all workers and clears any pending actions.\n */\n dispose() {\n for (const workerInfo of this._workerInfos) {\n workerInfo.workerPromise.then((worker) => {\n worker.terminate();\n });\n }\n this._workerInfos.length = 0;\n this._pendingActions.length = 0;\n }\n /**\n * Pushes an action to the worker pool. If all the workers are active, the action will be\n * pended until a worker has completed its action.\n * @param action The action to perform. Call onComplete when the action is complete.\n */\n push(action) {\n if (!this._executeOnIdleWorker(action)) {\n this._pendingActions.push(action);\n }\n }\n _executeOnIdleWorker(action) {\n for (const workerInfo of this._workerInfos) {\n if (workerInfo.idle) {\n this._execute(workerInfo, action);\n return true;\n }\n }\n return false;\n }\n _execute(workerInfo, action) {\n workerInfo.idle = false;\n workerInfo.workerPromise.then((worker) => {\n action(worker, () => {\n const nextAction = this._pendingActions.shift();\n if (nextAction) {\n this._execute(workerInfo, nextAction);\n }\n else {\n workerInfo.idle = true;\n }\n });\n });\n }\n}\n/**\n * Similar to the WorkerPool class except it creates and destroys workers automatically with a maximum of `maxWorkers` workers.\n * Workers are terminated when it is idle for at least `idleTimeElapsedBeforeRelease` milliseconds.\n */\nexport class AutoReleaseWorkerPool extends WorkerPool {\n constructor(maxWorkers, createWorkerAsync, options = AutoReleaseWorkerPool.DefaultOptions) {\n super([]);\n this._maxWorkers = maxWorkers;\n this._createWorkerAsync = createWorkerAsync;\n this._options = options;\n }\n push(action) {\n if (!this._executeOnIdleWorker(action)) {\n if (this._workerInfos.length < this._maxWorkers) {\n const workerInfo = {\n workerPromise: this._createWorkerAsync(),\n idle: false,\n };\n this._workerInfos.push(workerInfo);\n this._execute(workerInfo, action);\n }\n else {\n this._pendingActions.push(action);\n }\n }\n }\n _execute(workerInfo, action) {\n // Reset the idle timeout.\n if (workerInfo.timeoutId) {\n clearTimeout(workerInfo.timeoutId);\n delete workerInfo.timeoutId;\n }\n super._execute(workerInfo, (worker, onComplete) => {\n action(worker, () => {\n onComplete();\n if (workerInfo.idle) {\n // Schedule the worker to be terminated after the elapsed time.\n workerInfo.timeoutId = setTimeout(() => {\n workerInfo.workerPromise.then((worker) => {\n worker.terminate();\n });\n const indexOf = this._workerInfos.indexOf(workerInfo);\n if (indexOf !== -1) {\n this._workerInfos.splice(indexOf, 1);\n }\n }, this._options.idleTimeElapsedBeforeRelease);\n }\n });\n });\n }\n}\n/**\n * Default options for the constructor.\n * Override to change the defaults.\n */\nAutoReleaseWorkerPool.DefaultOptions = {\n idleTimeElapsedBeforeRelease: 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