/*
 * Adapted from The MIT License (MIT)
 *
 * Copyright (c) 2020-2021 DaPorkchop_
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
 * is furnished to do so, subject to the following conditions:
 *
 * Any persons and/or organizations using this software must include the above copyright notice and this permission notice,
 * provide sufficient credit to the original authors of the project (IE: DaPorkchop_), as well as provide a link to the original project.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

package net.daporkchop.fp2.util.reference;

import lombok.experimental.UtilityClass;
import net.daporkchop.lib.common.misc.threadfactory.PThreadFactories;

import java.lang.ref.ReferenceQueue;

import static net.daporkchop.fp2.util.Constants.*;
import static net.daporkchop.lib.common.util.PorkUtil.*;

/**
 * FP2's own reference handler thread.
 *
 * @author DaPorkchop_
 */
@UtilityClass
public class ReferenceHandlerThread {
    private final ReferenceQueue<?> QUEUE = new ReferenceQueue<>();

    static {
        PThreadFactories.builder().daemon().minPriority().name("FP2 Reference Handler").build().newThread(() -> {
            while (true) {
                try {
                    ((Runnable) QUEUE.remove()).run();
                } catch (Throwable t) {
                    FP2_LOG.error("Unable to run reference callback", t);
                }
            }
        }).start();
    }

    /**
     * @return a {@link ReferenceQueue}
     */
    public <T> ReferenceQueue<T> queue() {
        return uncheckedCast(QUEUE);
    }
}
