1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.server.healthconnect.storage.datatypehelpers.aggregation; 18 19 import android.annotation.IntDef; 20 21 import java.util.List; 22 23 /** 24 * Class which represents timestamp of the data to aggregate. 25 * 26 * @hide 27 */ 28 public class AggregationTimestamp implements Comparable<AggregationTimestamp> { 29 30 @IntDef({GROUP_BORDER, INTERVAL_START, INTERVAL_END}) 31 public @interface TimestampType {} 32 33 public static final int GROUP_BORDER = 0; 34 public static final int INTERVAL_START = 1; 35 public static final int INTERVAL_END = 2; 36 37 private static final List<String> TYPE_PRINT_NAMES = List.of("GROUP_BORDER", "START", "END"); 38 39 @TimestampType private final int mType; 40 private final long mTime; 41 private AggregationRecordData mParentRecord; 42 AggregationTimestamp(int type, long time)43 public AggregationTimestamp(int type, long time) { 44 mTime = time; 45 mType = type; 46 } 47 getType()48 int getType() { 49 return mType; 50 } 51 getTime()52 long getTime() { 53 return mTime; 54 } 55 getParentData()56 AggregationRecordData getParentData() { 57 return mParentRecord; 58 } 59 setParentData(AggregationRecordData parentRecord)60 AggregationTimestamp setParentData(AggregationRecordData parentRecord) { 61 mParentRecord = parentRecord; 62 return this; 63 } 64 65 @Override compareTo(AggregationTimestamp o)66 public int compareTo(AggregationTimestamp o) { 67 if (this.equals(o)) { 68 return 0; 69 } 70 71 if (getTime() == o.getTime()) { 72 if (getType() != o.getType()) { 73 return getType() - o.getType(); 74 } 75 76 return getParentData().compareTo(o.getParentData()); 77 } else if (getTime() < o.getTime()) { 78 return -1; 79 } else { 80 return 1; 81 } 82 } 83 84 @Override toString()85 public String toString() { 86 return "Timestamp{type=" 87 + TYPE_PRINT_NAMES.get(mType) 88 + ", time=" 89 + mTime 90 + ", parentData=" 91 + (mParentRecord == null ? "null" : mParentRecord) 92 + "}"; 93 } 94 } 95