@syntest/search/dist/lib/objective/ObjectiveFunction.js

The common core of the SynTest Framework

"use strict";
/*
 * 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.ObjectiveFunction = void 0;
/**
 * Function that models the objective.
 *
 * @author Mitchell Olsthoorn
 */
class ObjectiveFunction {
    constructor(id, subject) {
        this._id = id;
        this._subject = subject;
        this.shallowDistance = false;
        this._lowestDistance = Number.MAX_VALUE;
    }
    /**
     * Return if the objective function is shallow (True) or deep (False).
     */
    get shallow() {
        return this.shallowDistance;
    }
    /**
     * Set the depth of the objective function.
     *
     * @param shallow True if the objective function is shallow, False otherwise.
     */
    set shallow(shallow) {
        this.shallowDistance = shallow;
    }
    /**
     * Return the identifier of the objective.
     */
    getIdentifier() {
        return this._id;
    }
    /**
     * Return the subject of the objective.
     */
    getSubject() {
        return this._subject;
    }
    /**
     * Update the lowest distance with a new distance
     * @param distance
     */
    updateDistance(distance) {
        this._lowestDistance = Math.min(distance, this._lowestDistance);
    }
    /**
     * Gets the lowest distance to this objective function
     * @returns the lowest distance encountered so far
     */
    getLowestDistance() {
        return this._lowestDistance;
    }
}
exports.ObjectiveFunction = ObjectiveFunction;
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