| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| #ifndef KUDU_MONITORED_TASK_H |
| #define KUDU_MONITORED_TASK_H |
| |
| #include <string> |
| |
| #include "kudu/gutil/ref_counted.h" |
| #include "kudu/util/monotime.h" |
| |
| namespace kudu { |
| |
| class MonitoredTask : public RefCountedThreadSafe<MonitoredTask> { |
| public: |
| virtual ~MonitoredTask() {} |
| |
| enum State { |
| kStatePreparing, |
| kStateRunning, |
| kStateComplete, |
| kStateFailed, |
| kStateAborted, |
| }; |
| |
| // Abort the ongoing task. |
| virtual void Abort() = 0; |
| |
| // Task State |
| virtual State state() const = 0; |
| |
| // Task Type Identifier |
| virtual std::string type_name() const = 0; |
| |
| // Task description |
| virtual std::string description() const = 0; |
| |
| // Task start time, may be !Initialized() |
| virtual MonoTime start_timestamp() const = 0; |
| |
| // Task completion time, may be !Initialized() |
| virtual MonoTime completion_timestamp() const = 0; |
| }; |
| |
| } // namespace kudu |
| |
| #endif |