parallel-es/src/node/worker-slave/node-worker-slave.ts

Simple parallelization for EcmaScript

import {SlaveFunctionLookupTable} from "../../common/function/slave-function-lookup-table";
import {AbstractWorkerSlave} from "../../common/worker/abstract-worker-slave";
import * as process from "process";

/**
 * Worker thread endpoint executed in the web worker thread.
 * Executes the tasks assigned by the thread pool via the {@link BrowserWorkerThread}.
 */
export class NodeWorkerSlave extends AbstractWorkerSlave {

    // TODO correctly handle shutdown
    constructor(public functionCache: SlaveFunctionLookupTable) {
        super(functionCache);
    }

    public postMessage(message: any): void {
        if (process.send) {
            process.send(message);
        } else {
            throw new Error("Slave not executing inside of a child process");
        }
    }

    protected terminate(): void {
        // not used
    }
}