org.neo4j.gds.louvain.LouvainProgressTrackerTaskCreator Maven / Gradle / Ivy

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/*
 * 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.louvain;

import org.neo4j.gds.applications.algorithms.machinery.AlgorithmLabel;
import org.neo4j.gds.core.utils.progress.tasks.Task;
import org.neo4j.gds.core.utils.progress.tasks.Tasks;
import org.neo4j.gds.modularityoptimization.ModularityOptimizationProgressTrackerTaskCreator;

import java.util.List;
import java.util.function.Supplier;

public final class LouvainProgressTrackerTaskCreator {

    private LouvainProgressTrackerTaskCreator() {}

    public static Task createTask(long nodeCount, long relationshipCount, int maxLevels, int maxIterations) {
        Supplier> modOptTask = ()->List.of(ModularityOptimizationProgressTrackerTaskCreator.progressTask(nodeCount,relationshipCount,maxIterations));

        return Tasks.iterativeDynamic(
            AlgorithmLabel.Louvain.asString(),
            modOptTask,
            maxLevels
        );
    }
}