com.google.firebase.database.core.RunLoop Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of firebase-admin Show documentation

This is the official Firebase Admin Java SDK. Build extraordinary native JVM apps in minutes with Firebase. The Firebase platform can power your app’s backend, user authentication, static hosting, and more.

The newest version!

/*
 * 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.database.core;

import java.util.concurrent.ScheduledFuture;

/**
 * This interface defines the required functionality for the Firebase Database library's run loop.
 * Most users will not need this interface. However, if you are customizing how the Firebase
 * Database schedules its internal operations this is the interface that should be implemented.
 */
@SuppressWarnings("rawtypes")
public interface RunLoop {

  /**
   * Append this operation to the queue.
   *
   * @param r The operation to run
   */
  void scheduleNow(Runnable r);

  /**
   * Schedule this operation to run after the specified delay.
   *
   * @param r The operation to run
   * @param milliseconds The delay, in milliseconds
   * @return A Future that can be used to cancel the operation if it has not yet started executing
   */
  ScheduledFuture schedule(Runnable r, long milliseconds);

  void shutdown();

  void restart();
}