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Neo4j Graph Data Science :: Test Utils

There is a newer version: 2.11.0

/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.neo4j.gds;

import org.neo4j.gds.annotation.ValueClass;

import java.util.Random;

@ValueClass
public interface SeededRandom {

    Random random();

    long seed();

    static SeededRandom newRandom() {
        var random = new Random();
        var seed = random.nextLong();
        random.setSeed(seed);
        return ImmutableSeededRandom.of(random, seed);
    }

    static SeededRandom newRandom(long seed) {
        var random = new Random();
        random.setSeed(seed);
        return ImmutableSeededRandom.of(random, seed);
    }

}