code: /*
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * 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 io.reactivex.rxjava3.internal.schedulers;
  
  import java.util.concurrent.ThreadFactory;
  
  import io.reactivex.rxjava3.annotations.NonNull;
  import io.reactivex.rxjava3.core.Scheduler;
  
  /**
   * Schedules work on a new thread.
   */
  public final class NewThreadScheduler extends Scheduler {
  
      final ThreadFactory threadFactory;
  
      private static final String THREAD_NAME_PREFIX = "RxNewThreadScheduler";
      private static final RxThreadFactory THREAD_FACTORY;
  
      /** The name of the system property for setting the thread priority for this Scheduler. */
      private static final String KEY_NEWTHREAD_PRIORITY = "rx3.newthread-priority";
  
      static {
          int priority = Math.max(Thread.MIN_PRIORITY, Math.min(Thread.MAX_PRIORITY,
                  Integer.getInteger(KEY_NEWTHREAD_PRIORITY, Thread.NORM_PRIORITY)));
  
          THREAD_FACTORY = new RxThreadFactory(THREAD_NAME_PREFIX, priority);
      }
  
      public NewThreadScheduler() {
          this(THREAD_FACTORY);
      }
  
      public NewThreadScheduler(ThreadFactory threadFactory) {
          this.threadFactory = threadFactory;
      }
  
      @NonNull
      @Override
      public Worker createWorker() {
          return new NewThreadWorker(threadFactory);
      }
  }
  