1 /*
2  * Copyright (C) 2015 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.preload;
18 
19 import java.util.Date;
20 import java.util.HashMap;
21 import java.util.HashSet;
22 import java.util.Map;
23 import java.util.Set;
24 
25 /**
26  * Holds the collected data for a process.
27  */
28 public class DumpData {
29     /**
30      * Name of the package (=application).
31      */
32     String packageName;
33 
34     /**
35      * A map of class name to a string for the classloader. This may be a toString equivalent,
36      * or just a unique ID.
37      */
38     Map<String, String> dumpData;
39 
40     /**
41      * The Date when this data was captured. Mostly for display purposes.
42      */
43     Date date;
44 
45     /**
46      * A cached value for the number of boot classpath classes (classloader value in dumpData is
47      * null).
48      */
49     int bcpClasses;
50 
DumpData(String packageName, Map<String, String> dumpData, Date date)51     public DumpData(String packageName, Map<String, String> dumpData, Date date) {
52         this.packageName = packageName;
53         this.dumpData = dumpData;
54         this.date = date;
55 
56         countBootClassPath();
57     }
58 
getPackageName()59     public String getPackageName() {
60         return packageName;
61     }
62 
getDate()63     public Date getDate() {
64         return date;
65     }
66 
getDumpData()67     public Map<String, String> getDumpData() {
68         return dumpData;
69     }
70 
countBootClassPath()71     public void countBootClassPath() {
72         bcpClasses = 0;
73         for (Map.Entry<String, String> e : dumpData.entrySet()) {
74             if (e.getValue() == null) {
75                 bcpClasses++;
76             }
77         }
78     }
79 
80     // Return an inverted mapping.
invertData()81     public Map<String, Set<String>> invertData() {
82         Map<String, Set<String>> ret = new HashMap<>();
83         for (Map.Entry<String, String> e : dumpData.entrySet()) {
84             if (!ret.containsKey(e.getValue())) {
85                 ret.put(e.getValue(), new HashSet<String>());
86             }
87             ret.get(e.getValue()).add(e.getKey());
88         }
89         return ret;
90     }
91 }