/**
 * Copyright (c) 2020-present, Goldman Sachs
 *
 * 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.
 */
import { CORE_HASH_STRUCTURE } from '../../../../../graph/Core_HashUtils.js';
import { hashArray } from '@finos/legend-shared';
export class Multiplicity {
    lowerBound;
    upperBound;
    constructor(lowerBound, upperBound) {
        this.lowerBound = lowerBound;
        this.upperBound = upperBound;
    }
    get hashCode() {
        return hashArray([
            CORE_HASH_STRUCTURE.MULTIPLICITY,
            this.lowerBound.toString(),
            this.upperBound?.toString() ?? '',
        ]);
    }
    // common multiplicities
    static ZERO = new Multiplicity(0, 0);
    static ZERO_ONE = new Multiplicity(0, 1);
    static ZERO_MANY = new Multiplicity(0, undefined);
    static ONE = new Multiplicity(1, 1);
    static ONE_MANY = new Multiplicity(1, undefined);
}
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