SearchQueue.java revision 03b8386de26ba6500af2d66687bff9b01f2cbbd7 
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
17package com.android.bluetooth.gatt;
18
19import java.util.ArrayList;
20import java.util.Iterator;
21import java.util.List;
22
23/**
24 * Helper class to store characteristics and descriptors that will be
25 * queued up for future exploration.
26 * @hide
27 */
28/*package*/ class SearchQueue {
29    class Entry {
30        public int connId;
31        public int srvcType;
32        public int srvcInstId;
33        public long srvcUuidLsb;
34        public long srvcUuidMsb;
35        public int charInstId;
36        public long charUuidLsb;
37        public long charUuidMsb;
38    }
39
40    private List<Entry> mEntries = new ArrayList<Entry>();
41
42    void add(int connId, int srvcType,
43            int srvcInstId, long srvcUuidLsb, long srvcUuidMsb) {
44        Entry entry = new Entry();
45        entry.connId = connId;
46        entry.srvcType = srvcType;
47        entry.srvcInstId = srvcInstId;
48        entry.srvcUuidLsb = srvcUuidLsb;
49        entry.srvcUuidMsb = srvcUuidMsb;
50        entry.charUuidLsb = 0;
51        mEntries.add(entry);
52    }
53
54    void add(int connId, int srvcType,
55        int srvcInstId, long srvcUuidLsb, long srvcUuidMsb,
56        int charInstId, long charUuidLsb, long charUuidMsb)
57    {
58        Entry entry = new Entry();
59        entry.connId = connId;
60        entry.srvcType = srvcType;
61        entry.srvcInstId = srvcInstId;
62        entry.srvcUuidLsb = srvcUuidLsb;
63        entry.srvcUuidMsb = srvcUuidMsb;
64        entry.charInstId = charInstId;
65        entry.charUuidLsb = charUuidLsb;
66        entry.charUuidMsb = charUuidMsb;
67        mEntries.add(entry);
68    }
69
70    Entry pop() {
71        Entry entry = mEntries.get(0);
72        mEntries.remove(0);
73        return entry;
74    }
75
76    void removeConnId(int connId) {
77        for (Iterator<Entry> it = mEntries.iterator(); it.hasNext();) {
78            Entry entry = it.next();
79            if (entry.connId == connId) {
80                it.remove();
81            }
82        }
83    }
84
85    boolean isEmpty() {
86        return mEntries.isEmpty();
87    }
88
89    void clear() {
90        mEntries.clear();
91    }
92}
93