function-call.ts

/**
 * @module parallel
 */
/** */

import {IFunctionId} from "./function-id";
import {ISerializedFunctionCall} from "./serialized-function-call";

/**
 * Represents a function call
 */
export class FunctionCall {
    /**
     * Creates a new function call for a function without any arguments
     * @param func the function to call
     * @returns the function call
     */
    public static create(func: () => any): FunctionCall;

    /**
     * Creates a new function call to a function accepting a single argument
     * @param func the function to call
     * @param param1 the single parameter passed to the function
     * @param TParam1 type of the single parameter
     * @returns the function call
     */
    public static create<TParam1>(func: (arg1: TParam1) => any, param1: TParam1): FunctionCall;

    /**
     * Creates a new function call to a function passing the given parameters
     * @param func the function to call
     * @param param1 the first parameter to pass to the function
     * @param param2 the second parameter to pass to the function
     * @param TParam1 type of the first parameter
     * @param TParam2 type of the second parameter
     * @returns the function call
     */
    public static create<TParam1, TParam2>(func: (arg1: TParam1, arg2: TParam2) => any, param1: TParam1, param2: TParam2): FunctionCall;

    /**
     * @param param3 the third parameter to pass to the function
     * @param TParam3 the type of the third parameter
     */
    public static create<TParam1, TParam2, TParam3>(func: (arg1: TParam1, arg2: TParam2, arg3: TParam3) => any, param1: TParam1, param2: TParam2, param3: TParam3): FunctionCall;

    public static create(func: IFunctionId, ...params: any[]): FunctionCall;

    public static create(func: IFunctionId | ((...args: any[]) => any), ...args: any[]): FunctionCall {
        return new FunctionCall(func, args);
    }

    /**
     * Creates a function call for a function with with many arguments
     * @param func the function to call
     * @param params the parameters to pass
     * @returns the function call
     */
    public static createUnchecked(func: Function | IFunctionId, ...params: any[]) {
        return new FunctionCall(func, params);
    }

    /**
     * Creates a function call instance from its serialized representation
     * @param serialized the serialized function call
     * @returns {FunctionCall} the function call
     */
    public static fromSerialized(serialized: ISerializedFunctionCall): FunctionCall {
        return new FunctionCall(serialized.functionId, serialized.parameters);
    }

    /**
     * The function to call
     */
    public func: Function | IFunctionId;

    /**
     * The parameters to pass to the function when calling it
     */
    public params: any[];

    private constructor(func: Function | IFunctionId, params: any[]) {
        this.func = func;
        this.params = params;
    }
}