/Users/deen/code/yugabyte-db/src/yb/yql/cql/ql/exec/rescheduler.h
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1 | | // Copyright (c) YugaByte, Inc. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
4 | | // in compliance with the License. You may obtain a copy of the License at |
5 | | // |
6 | | // http://www.apache.org/licenses/LICENSE-2.0 |
7 | | // |
8 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
9 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
10 | | // or implied. See the License for the specific language governing permissions and limitations |
11 | | // under the License. |
12 | | // |
13 | | |
14 | | #ifndef YB_YQL_CQL_QL_EXEC_RESCHEDULER_H |
15 | | #define YB_YQL_CQL_QL_EXEC_RESCHEDULER_H |
16 | | |
17 | | #include "yb/rpc/rpc_fwd.h" |
18 | | |
19 | | #include "yb/util/monotime.h" |
20 | | |
21 | | namespace yb { |
22 | | namespace ql { |
23 | | |
24 | | // Processing could take a while, we are rescheduling it to our thread pool, if not yet |
25 | | // running in it. |
26 | | class Rescheduler { |
27 | | public: |
28 | | virtual bool NeedReschedule() = 0; |
29 | | virtual void Reschedule(rpc::ThreadPoolTask* task) = 0; |
30 | | virtual CoarseTimePoint GetDeadline() const = 0; |
31 | | |
32 | | protected: |
33 | 1 | ~Rescheduler() {} |
34 | | }; |
35 | | |
36 | | } // namespace ql |
37 | | } // namespace yb |
38 | | |
39 | | #endif // YB_YQL_CQL_QL_EXEC_RESCHEDULER_H |