1 /*
2  * Copyright (C) 2017 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.ahat.heapdump;
18 
19 /**
20  * Reference represents a reference from 'src' to 'ref' through 'field'.
21  * Field is a string description for human consumption. This is typically
22  * either "." followed by the field name or an array subscript such as "[4]".
23  * reachability describes whether the reference is strong/soft/weak/etc.
24  */
25 class Reference {
26   public final AhatInstance src;
27   public final String field;
28   public final AhatInstance ref;
29   public final Reachability reachability;
30 
Reference(AhatInstance src, String field, AhatInstance ref, Reachability reachability)31   public Reference(AhatInstance src, String field, AhatInstance ref, Reachability reachability) {
32     this.src = src;
33     this.field = field;
34     this.ref = ref;
35     this.reachability = reachability;
36   }
37 }
38