/Users/deen/code/yugabyte-db/src/yb/master/catalog_manager_bg_tasks.h
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1 | | // Licensed to the Apache Software Foundation (ASF) under one |
2 | | // or more contributor license agreements. See the NOTICE file |
3 | | // distributed with this work for additional information |
4 | | // regarding copyright ownership. The ASF licenses this file |
5 | | // to you under the Apache License, Version 2.0 (the |
6 | | // "License"); you may not use this file except in compliance |
7 | | // with the License. You may obtain a copy of the License at |
8 | | // |
9 | | // http://www.apache.org/licenses/LICENSE-2.0 |
10 | | // |
11 | | // Unless required by applicable law or agreed to in writing, |
12 | | // software distributed under the License is distributed on an |
13 | | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
14 | | // KIND, either express or implied. See the License for the |
15 | | // specific language governing permissions and limitations |
16 | | // under the License. |
17 | | // |
18 | | // The following only applies to changes made to this file as part of YugaByte development. |
19 | | // |
20 | | // Portions Copyright (c) YugaByte, Inc. |
21 | | // |
22 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
23 | | // in compliance with the License. You may obtain a copy of the License at |
24 | | // |
25 | | // http://www.apache.org/licenses/LICENSE-2.0 |
26 | | // |
27 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
28 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
29 | | // or implied. See the License for the specific language governing permissions and limitations |
30 | | // under the License. |
31 | | |
32 | | #ifndef YB_MASTER_CATALOG_MANAGER_BG_TASKS_H |
33 | | #define YB_MASTER_CATALOG_MANAGER_BG_TASKS_H |
34 | | |
35 | | #include <atomic> |
36 | | |
37 | | #include "yb/util/status_fwd.h" |
38 | | #include "yb/util/mutex.h" |
39 | | #include "yb/util/condition_variable.h" |
40 | | #include "yb/gutil/ref_counted.h" |
41 | | |
42 | | namespace yb { |
43 | | |
44 | | class Thread; |
45 | | |
46 | | namespace master { |
47 | | |
48 | | class CatalogManager; |
49 | | |
50 | | namespace enterprise { |
51 | | class CatalogManager; |
52 | | } |
53 | | |
54 | | class CatalogManagerBgTasks final { |
55 | | public: |
56 | | explicit CatalogManagerBgTasks(CatalogManager *catalog_manager); |
57 | | |
58 | 101 | ~CatalogManagerBgTasks() {} |
59 | | |
60 | | CHECKED_STATUS Init(); |
61 | | void Shutdown(); |
62 | | |
63 | | void Wake(); |
64 | | void Wait(int msec); |
65 | | void WakeIfHasPendingUpdates(); |
66 | | |
67 | | private: |
68 | | void Run(); |
69 | | |
70 | | private: |
71 | | std::atomic<bool> closing_; |
72 | | bool pending_updates_; |
73 | | mutable Mutex lock_; |
74 | | ConditionVariable cond_; |
75 | | scoped_refptr<yb::Thread> thread_; |
76 | | enterprise::CatalogManager *catalog_manager_; |
77 | | }; |
78 | | |
79 | | } // namespace master |
80 | | } // namespace yb |
81 | | |
82 | | #endif // YB_MASTER_CATALOG_MANAGER_BG_TASKS_H |