content: /*
   * Copyright (C) 2018 The Android Open Source Project
   *
   * 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 android.telephony.ims;
  
  /**
   * The base class for events that can happen on {@link RcsParticipant}s and {@link RcsThread}s.
   *
   * @hide
   */
  public abstract class RcsEvent {
      private final long mTimestamp;
  
      protected RcsEvent(long timestamp) {
          mTimestamp = timestamp;
      }
  
      /**
       * @return Returns the time of when this event happened. The timestamp is defined as
       * milliseconds passed after midnight, January 1, 1970 UTC
       */
      public long getTimestamp() {
          return mTimestamp;
      }
  
      /**
       * Persists the event to the data store
       *
       * @hide
       */
      abstract void persist(RcsControllerCall rcsControllerCall) throws RcsMessageStoreException;
  }
  