1 /* 2 * Copyright (C) 2013 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.internal.app.procstats; 18 19 /** 20 * Sparse mapping table to store durations of processes, etc running in different 21 * states. 22 */ 23 public class DurationsTable extends SparseMappingTable.Table { 24 public DurationsTable(SparseMappingTable tableData) { 25 super(tableData); 26 } 27 28 /** 29 * Add all of the durations from the other table into this one. 30 * Resultant durations will be the sum of what is currently in the table 31 * and the new value. 32 */ 33 public void addDurations(DurationsTable from) { 34 final int N = from.getKeyCount(); 35 for (int i=0; i<N; i++) { 36 final int key = from.getKeyAt(i); 37 this.addDuration(SparseMappingTable.getIdFromKey(key), from.getValue(key)); 38 } 39 } 40 41 /** 42 * Add the value into the value stored for the state. 43 * 44 * Resultant duration will be the sum of what is currently in the table 45 * and the new value. 46 */ 47 public void addDuration(int state, long value) { 48 final int key = getOrAddKey((byte)state, 1); 49 setValue(key, getValue(key) + value); 50 } 51 52 /* 53 public long getDuration(int state, long now) { 54 final int key = getKey((byte)state); 55 if (key != SparseMappingTable.INVALID_KEY) { 56 return getValue(key); 57 } else { 58 return 0; 59 } 60 } 61 */ 62 } 63 64 65
