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      1 /*
      2  * Copyright (C) 2006 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;
     18 
     19 import android.util.SparseArray;
     20 
     21 import java.util.HashMap;
     22 
     23 public class ProcessMap<E> {
     24     final HashMap<String, SparseArray<E>> mMap
     25             = new HashMap<String, SparseArray<E>>();
     26 
     27     public E get(String name, int uid) {
     28         SparseArray<E> uids = mMap.get(name);
     29         if (uids == null) return null;
     30         return uids.get(uid);
     31     }
     32 
     33     public E put(String name, int uid, E value) {
     34         SparseArray<E> uids = mMap.get(name);
     35         if (uids == null) {
     36             uids = new SparseArray<E>(2);
     37             mMap.put(name, uids);
     38         }
     39         uids.put(uid, value);
     40         return value;
     41     }
     42 
     43     public void remove(String name, int uid) {
     44         SparseArray<E> uids = mMap.get(name);
     45         if (uids != null) {
     46             uids.remove(uid);
     47             if (uids.size() == 0) {
     48                 mMap.remove(name);
     49             }
     50         }
     51     }
     52 
     53     public HashMap<String, SparseArray<E>> getMap() {
     54         return mMap;
     55     }
     56 }
     57