/usr/include/ola/ActionQueue.h is in libola-dev 0.10.3.nojsmin-2+deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | /*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* ActionQueue.h
* Interface for the ActionQueue class.
* Copyright (C) 2005 Simon Newton
*
* An ActionQueue allows Actions to be queued up and the executed
* asynchronously. Perform(on_done) is called on each action in turn and an
* action calls on_done when it's completed.
*/
#ifndef INCLUDE_OLA_ACTIONQUEUE_H_
#define INCLUDE_OLA_ACTIONQUEUE_H_
#include <ola/Callback.h>
#include <vector>
namespace ola {
/*
* The base action class
*/
class Action {
public:
Action() {}
virtual ~Action() {}
// returns true if the failure of this action causes aborts the entire
// chain.
virtual bool IsFatal() const = 0;
virtual bool Failed() const = 0;
virtual void Perform(SingleUseCallback0<void> *on_done) = 0;
};
/*
* An Action Queue. Action objects can be added to the queue and are then run
* sequentially.
*/
class ActionQueue {
public:
explicit ActionQueue(SingleUseCallback1<void, ActionQueue*> *on_complete):
m_on_complete(on_complete),
m_action_index(-1),
m_success(true) {
}
~ActionQueue();
void AddAction(Action *action);
void NextAction();
bool WasSuccessful() const { return m_success; }
unsigned int ActionCount() const { return m_actions.size(); }
Action *GetAction(unsigned int i);
private:
SingleUseCallback1<void, ActionQueue*> *m_on_complete;
std::vector<Action*> m_actions;
int m_action_index;
bool m_success;
};
} // namespace ola
#endif // INCLUDE_OLA_ACTIONQUEUE_H_
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