com.google.firebase.database.core.view.Event Maven / Gradle / Ivy

/*
 * 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.view;

import com.google.firebase.database.core.Path;

public interface Event {

  Path getPath();

  void fire();

  @Override
  String toString();

  enum EventType {
    // The order is important here and reflects the order events should be raised in
    CHILD_REMOVED,
    CHILD_ADDED,
    CHILD_MOVED,
    CHILD_CHANGED,
    VALUE
  }
}