FirebaseExecutors.java

/*
 * Copyright 2017 Google Inc.
 *
 * 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 com.google.firebase.internal;

import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;

/** Default executors used for internal Firebase threads. */
public class FirebaseExecutors {

  public static final ScheduledExecutorService DEFAULT_SCHEDULED_EXECUTOR;

  static {
    if (GaeThreadFactory.isAvailable()) {
      DEFAULT_SCHEDULED_EXECUTOR = GaeThreadFactory.DEFAULT_EXECUTOR;
    } else {
      DEFAULT_SCHEDULED_EXECUTOR =
          Executors.newSingleThreadScheduledExecutor(Executors.defaultThreadFactory());
    }
  }
}