content: /*
   * Copyright (C) 2013 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.internal.app.procstats;
  
  /**
   * Sparse mapping table to store durations of processes, etc running in different
   * states.
   */
  public class DurationsTable extends SparseMappingTable.Table {
      public DurationsTable(SparseMappingTable tableData) {
          super(tableData);
      }
  
      /**
       * Add all of the durations from the other table into this one.
       * Resultant durations will be the sum of what is currently in the table
       * and the new value.
       */
      public void addDurations(DurationsTable from) {
          final int N = from.getKeyCount();
          for (int i=0; i<N; i++) {
              final int key = from.getKeyAt(i);
              this.addDuration(SparseMappingTable.getIdFromKey(key), from.getValue(key));
          }
      }
  
      /**
       * Add the value into the value stored for the state.
       *
       * Resultant duration will be the sum of what is currently in the table
       * and the new value.
       */
      public void addDuration(int state, long value) {
          final int key = getOrAddKey((byte)state, 1);
          setValue(key, getValue(key) + value);
      }
  
      /*
      public long getDuration(int state, long now) {
          final int key = getKey((byte)state);
          if (key != SparseMappingTable.INVALID_KEY) {
              return getValue(key);
          } else {
              return 0;
          }
      }
      */
  }
  
  
  