/**
 * Copyright © 2016-2022 The Thingsboard Authors
 *
 * 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.
 */
package org.thingsboard.common.util;

import lombok.NonNull;
import lombok.ToString;

import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.ForkJoinWorkerThread;
import java.util.concurrent.atomic.AtomicLong;

@ToString
public class ThingsBoardForkJoinWorkerThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory {
    private final String namePrefix;
    private final AtomicLong threadNumber = new AtomicLong(1);

    public ThingsBoardForkJoinWorkerThreadFactory(@NonNull String namePrefix) {
        this.namePrefix = namePrefix;
    }

    @Override
    public final ForkJoinWorkerThread newThread(ForkJoinPool pool) {
        ForkJoinWorkerThread thread = ForkJoinPool.defaultForkJoinWorkerThreadFactory.newThread(pool);
        thread.setContextClassLoader(this.getClass().getClassLoader());
        thread.setName(namePrefix +"-"+thread.getPoolIndex()+"-"+threadNumber.getAndIncrement());
        return thread;
    }
}
