@syntest/core
Version:
The common core of the SynTest Framework
108 lines • 3.23 kB
JavaScript
;
/*
* Copyright 2020-2021 Delft University of Technology and SynTest contributors
*
* This file is part of SynTest Framework - SynTest Core.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.BudgetManager = void 0;
/**
* Manager for the budget of the search process.
*
* Keeps track how much budget is left before the search process has to be terminated.
*
* @author Mitchell Olsthoorn
*/
class BudgetManager {
constructor() {
this._budgets = [];
}
/**
* Return the available budget as a value from zero to one.
*
* Loops over all active budgets to find the one with the lowest budget.
*/
getBudget() {
const budget = this._budgets.reduce((minBudget, budget) => budget.getRemainingBudget() / budget.getTotalBudget() <
minBudget.getRemainingBudget() / minBudget.getTotalBudget()
? budget
: minBudget);
const value = (budget.getRemainingBudget() / budget.getTotalBudget()) * 100;
const factor = Math.pow(10, 2);
return Math.round(value * factor) / factor;
}
/**
* Return whether the budget manager has any budget left.
*/
hasBudgetLeft() {
return this._budgets.every((budget) => budget.getRemainingBudget() > 0.0);
}
/**
* Add budget to the list of active budgets.
*
* @param budget The budget to add
*/
addBudget(budget) {
this._budgets.push(budget);
return this;
}
/**
* Remove budget from the list of active budgets.
*
* @param budget The budget to remove
*/
removeBudget(budget) {
this._budgets.slice(this._budgets.indexOf(budget), 1);
return this;
}
/**
* @inheritDoc
*/
initializationStarted() {
this._budgets.forEach((budget) => budget.initializationStarted());
}
/**
* @inheritDoc
*/
initializationStopped() {
this._budgets.forEach((budget) => budget.initializationStopped());
}
/**
* @inheritDoc
*/
searchStarted() {
this._budgets.forEach((budget) => budget.searchStarted());
}
/**
* @inheritDoc
*/
searchStopped() {
this._budgets.forEach((budget) => budget.searchStopped());
}
/**
* @inheritDoc
*/
iteration(searchAlgorithm) {
this._budgets.forEach((budget) => budget.iteration(searchAlgorithm));
}
/**
* @inheritDoc
*/
evaluation(encoding) {
this._budgets.forEach((budget) => budget.evaluation(encoding));
}
}
exports.BudgetManager = BudgetManager;
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