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/*************************************************************************
* Copyright (C) 2009 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Dimension Library. *
* *
* The Dimension 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 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension 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 program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
#include "dimensionxx.hpp"
namespace Dimension
{
// No-op virtual destructor
Persist_Base::~Persist_Base()
{ }
// Construct a dmnsn_progress* wrapper
Progress::Progress(dmnsn_progress* progress)
: m_progress(new dmnsn_progress*(progress))
{ }
// Construct a dmnsn_progress* wrapper, with a known persister
Progress::Progress(dmnsn_progress* progress, const Persister& persister)
: m_progress(new dmnsn_progress*(progress)), m_persister(persister)
{ }
// Finish the progress if not yet finished and we are unique
Progress::~Progress()
{
if (m_progress && m_progress.unique()) {
try {
finish();
} catch (...) {
dmnsn_error(SEVERITY_MEDIUM, "Finishing worker thread failed.");
}
}
}
// Get the current progress
double
Progress::progress() const
{
return dmnsn_get_progress(dmnsn());
}
// Wait until progress() >= progress
void
Progress::wait(double progress) const
{
dmnsn_wait_progress(dmnsn(), progress);
}
// Start a new level of loop nesting
void
Progress::new_element(unsigned int total)
{
dmnsn_new_progress_element(dmnsn(), total);
}
// Increment the progress
void
Progress::increment()
{
dmnsn_increment_progress(dmnsn());
}
// Immediately finish the progress
void
Progress::done()
{
dmnsn_done_progress(dmnsn());
}
// Wait for progress completion
void
Progress::finish()
{
if (!m_progress) {
throw Dimension_Error("Attempt to finish Progress twice.");
}
if (!m_progress.unique()) {
throw Dimension_Error("Attempt to finish non-unique Progress.");
}
if (dmnsn_finish_progress(dmnsn()) != 0) {
throw Dimension_Error("Worker thread failed.");
}
m_progress.reset(); // Don't try again
}
// Access the set of persisted objects
Persister&
Progress::persister()
{
return m_persister;
}
// Access the underlying dmnsn_progress*
dmnsn_progress*
Progress::dmnsn()
{
if (!m_progress) {
throw Dimension_Error("Attempting to access finished array.");
}
return *m_progress;
}
const dmnsn_progress*
Progress::dmnsn() const
{
if (!m_progress) {
throw Dimension_Error("Attempting to access finished array.");
}
return *m_progress;
}
}
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