blob: de9b75a2c2667ead8068a7864e7b3b16b71e89d6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/**************************************************************
*
* 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 SD_ASYNCHRONOUS_TASK_HXX
#define SD_ASYNCHRONOUS_TASK_HXX
namespace sd { namespace tools {
/** Interface for the asynchronous execution of a task. This interface
allows an controller to run the task either timer based with a fixed
amount of time between the steps or thread based one step right after
the other.
*/
class AsynchronousTask
{
public:
/** Run the next step of the task. After HasNextStep() returns false
this method should ignore further calls.
*/
virtual void RunNextStep (void) = 0;
/** Return <TRUE/> when there is at least one more step to execute.
When the task has been executed completely then <FALSE/> is
returned.
*/
virtual bool HasNextStep (void) = 0;
};
} } // end of namespace ::sd::tools
#endif
|
