| /* |
| * Copyright (C) 2020 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 com.android.server.people.data; |
| |
| import android.annotation.NonNull; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| /** The interface for querying the event time distribution and details. */ |
| public interface EventHistory { |
| |
| /** Gets the {@link EventIndex} for the specified event type. */ |
| @NonNull |
| EventIndex getEventIndex(@Event.EventType int eventType); |
| |
| /** Gets the combined {@link EventIndex} for a set of event types. */ |
| @NonNull |
| EventIndex getEventIndex(Set<Integer> eventTypes); |
| |
| /** |
| * Returns a {@link List} of {@link Event}s those timestamps are between the specified {@code |
| * fromTimestamp}, inclusive, and {@code toTimestamp} exclusive, and match the specified event |
| * types. |
| * |
| * @return a list of matched events in chronological order. |
| */ |
| @NonNull |
| List<Event> queryEvents(Set<Integer> eventTypes, long fromTimestamp, long toTimestamp); |
| } |