org.neo4j.gds.similarity.knn.KnnContext 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.similarity.knn;

import org.immutables.value.Value;
import org.neo4j.gds.annotation.ValueClass;
import org.neo4j.gds.core.concurrency.DefaultPool;
import org.neo4j.gds.core.utils.progress.tasks.ProgressTracker;

import java.util.concurrent.ExecutorService;

@ValueClass
public interface KnnContext {

    @Value.Default
    default ExecutorService executor() {
        return DefaultPool.INSTANCE;
    }

    @Value.Default
    default ProgressTracker progressTracker() {
        return ProgressTracker.NULL_TRACKER;
    }

    static KnnContext empty() {
        return ImmutableKnnContext.builder().build();
    }
}