/** Opens a group called "process" and loads the workspace history from
* it.
*
* @param file :: previously opened NXS file.
*/
void WorkspaceHistory::loadNexus(::NeXus::File * file)
{
/// specifies the order that algorithm data is listed in workspaces' histories
enum AlgorithmHist
{
NAME = 0, //< algorithms name
EXEC_TIME = 1, //< when the algorithm was run
EXEC_DUR = 2, //< execution time for the algorithm
PARAMS = 3 //< the algorithm's parameters
};
// Warn but continue if the group does not exist.
try
{
file->openGroup("process", "NXprocess");
}
catch (std::exception & )
{
g_log.warning() << "Error opening the algorithm history field 'process'. Workspace will have no history." << "\n";
return;
}
std::map<std::string, std::string> entries;
file->getEntries(entries);
// Histories are numberd MantidAlgorithm_0, ..., MantidAlgorithm_10, etc.
// Find all the unique numbers
std::set<int> historyNumbers;
for (auto it = entries.begin(); it != entries.end(); ++it)
{
std::string entryName = it->first;
if( entryName.find("MantidAlgorithm_") != std::string::npos )
{
// Just get the number
entryName = entryName.substr(16, entryName.size()-16);
int num=-1;
if (Kernel::Strings::convert(entryName, num))
historyNumbers.insert(num);
}
}
// historyNumbers should be sorted by number
for (auto it = historyNumbers.begin(); it != historyNumbers.end(); ++it)
{
std::string entryName = "MantidAlgorithm_" + Kernel::Strings::toString(*it);
file->openGroup(entryName, "NXnote");
std::string rawData;
file->readData("data", rawData);
file->closeGroup();
// Split into separate lines
std::vector<std::string> info;
boost::split(info, rawData, boost::is_any_of("\n"));
const size_t nlines = info.size();
if( nlines < 4 )
{ // ignore badly formed history entries
continue;
}
std::string algName, dummy, temp;
// get the name and version of the algorithm
getWordsInString(info[NAME], dummy, algName, temp);
//Chop of the v from the version string
size_t numStart = temp.find('v');
// this doesn't abort if the version string doesn't contain a v
numStart = numStart != 1 ? 1 : 0;
temp = std::string(temp.begin() + numStart, temp.end());
const int version = boost::lexical_cast<int>(temp);
//Get the execution date/time
std::string date, time;
getWordsInString(info[EXEC_TIME], dummy, dummy, date, time);
Poco::DateTime start_timedate;
//This is needed by the Poco parsing function
int tzdiff(-1);
if( !Poco::DateTimeParser::tryParse("%Y-%b-%d %H:%M:%S", date + " " + time, start_timedate, tzdiff))
{
g_log.warning() << "Error parsing start time in algorithm history entry." << "\n";
file->closeGroup();
return;
}
//Get the duration
getWordsInString(info[EXEC_DUR], dummy, dummy, temp, dummy);
double dur = boost::lexical_cast<double>(temp);
if ( dur < 0.0 )
{
g_log.warning() << "Error parsing start time in algorithm history entry." << "\n";
file->closeGroup();
return;
}
//Convert the timestamp to time_t to DateAndTime
Mantid::Kernel::DateAndTime utc_start;
utc_start.set_from_time_t( start_timedate.timestamp().epochTime() );
//Create the algorithm history
API::AlgorithmHistory alg_hist(algName, version, utc_start, dur,Algorithm::g_execCount);
// Simulate running an algorithm
++Algorithm::g_execCount;
//Add property information
for( size_t index = static_cast<size_t>(PARAMS)+1; index < nlines; ++index )
{
const std::string line = info[index];
std::string::size_type colon = line.find(":");
std::string::size_type comma = line.find(",");
//Each colon has a space after it
std::string prop_name = line.substr(colon + 2, comma - colon - 2);
colon = line.find(":", comma);
comma = line.find(", Default?", colon);
std::string prop_value = line.substr(colon + 2, comma - colon - 2);
colon = line.find(":", comma);
comma = line.find(", Direction", colon);
std::string is_def = line.substr(colon + 2, comma - colon - 2);
colon = line.find(":", comma);
comma = line.find(",", colon);
std::string direction = line.substr(colon + 2, comma - colon - 2);
unsigned int direc(Mantid::Kernel::Direction::asEnum(direction));
alg_hist.addProperty(prop_name, prop_value, (is_def[0] == 'Y'), direc);
}
this->addHistory(alg_hist);
}
file->closeGroup();
}
/**
* Read the algorithm history from the "mantid_workspace_i/process" group
* @param mtd_entry :: The node for the current workspace
* @param local_workspace :: The workspace to attach the history to
* @throw out_of_range an algorithm history entry doesn't have the excepted number of entries
*/
void LoadNexusProcessed::readAlgorithmHistory(NXEntry & mtd_entry, API::MatrixWorkspace_sptr local_workspace)
{
int exeCount=0;
NXMainClass history = mtd_entry.openNXClass<NXMainClass>("process");
//Group will contain a class for each algorithm, called MantidAlgorithm_i and then an
//environment class
//const std::vector<NXClassInfo> & classes = history.groups();
std::vector<NXClassInfo>& classes = history.groups();
//sort by execution order - to execute the script generated by algorithmhistory in proper order
sort(classes.begin(),classes.end(),UDlesserExecCount);
std::vector<NXClassInfo>::const_iterator iend = classes.end();
for( std::vector<NXClassInfo>::const_iterator itr = classes.begin(); itr != iend; ++itr )
{
if( itr->nxname.find("MantidAlgorithm") != std::string::npos )
{
NXNote entry(history,itr->nxname);
entry.openLocal();
const std::vector<std::string> & info = entry.data();
const size_t nlines = info.size();
if( nlines < 4 )
{// ignore badly formed history entries
continue;
}
std::string algName, dummy, temp;
// get the name and version of the algorithm
getWordsInString(info[NAME], dummy, algName, temp);
//Chop of the v from the version string
size_t numStart = temp.find('v');
// this doesn't abort if the version string doesn't contain a v
numStart = numStart != 1 ? 1 : 0;
temp = std::string(temp.begin() + numStart, temp.end());
const int version = boost::lexical_cast<int>(temp);
//Get the execution date/time
std::string date, time;
getWordsInString(info[EXEC_TIME], dummy, dummy, date, time);
Poco::DateTime start_timedate;
//This is needed by the Poco parsing function
int tzdiff(-1);
if( !Poco::DateTimeParser::tryParse(Mantid::NeXus::g_processed_datetime, date + " " + time, start_timedate, tzdiff))
{
g_log.warning() << "Error parsing start time in algorithm history entry." << "\n";
return;
}
//Get the duration
getWordsInString(info[EXEC_DUR], dummy, dummy, temp, dummy);
double dur = boost::lexical_cast<double>(temp);
if ( dur < 0.0 )
{
g_log.warning() << "Error parsing start time in algorithm history entry." << "\n";
return;
}
//API::AlgorithmHistory alg_hist(algname, version, start_timedate.timestamp().epochTime(), dur);
++exeCount;
//Convert the timestamp to time_t to DateAndTime
Mantid::Kernel::DateAndTime utc_start;
utc_start.set_from_time_t( start_timedate.timestamp().epochTime() );
//Create the algorithm history
API::AlgorithmHistory alg_hist(algName, version, utc_start, dur,exeCount);
//Add property information
for( size_t index = static_cast<size_t>(PARAMS)+1;index < nlines;++index )
{
const std::string line = info[index];
std::string::size_type colon = line.find(":");
std::string::size_type comma = line.find(",");
//Each colon has a space after it
std::string prop_name = line.substr(colon + 2, comma - colon - 2);
colon = line.find(":", comma);
comma = line.find(",", colon);
std::string prop_value = line.substr(colon + 2, comma - colon - 2);
colon = line.find(":", comma);
comma = line.find(",", colon);
std::string is_def = line.substr(colon + 2, comma - colon - 2);
colon = line.find(":", comma);
comma = line.find(",", colon);
std::string direction = line.substr(colon + 2, comma - colon - 2);
unsigned int direc(Mantid::Kernel::Direction::asEnum(direction));
alg_hist.addProperty(prop_name, prop_value, (is_def[0] == 'Y'), direc);
}
local_workspace->history().addHistory(alg_hist);
entry.close();
}
}
}
/** Parse an algorithm history entry loaded from file.
* @param rawData :: The string containing the history entry loaded from file
* @returns a pointer to the loaded algorithm history object
* @throws std::runtime_error if the loaded data could not be parsed
*/
AlgorithmHistory_sptr
WorkspaceHistory::parseAlgorithmHistory(const std::string &rawData) {
/// specifies the order that algorithm data is listed in workspaces' histories
enum AlgorithmHist {
NAME = 0, //< algorithms name
EXEC_TIME = 1, //< when the algorithm was run
EXEC_DUR = 2, //< execution time for the algorithm
PARAMS = 3 //< the algorithm's parameters
};
std::vector<std::string> info;
boost::split(info, rawData, boost::is_any_of("\n"));
const size_t nlines = info.size();
if (nlines < 4) { // ignore badly formed history entries
throw std::runtime_error(
"Malformed history record: Incorrect record size.");
}
std::string algName, dummy, temp;
// get the name and version of the algorithm
getWordsInString(info[NAME], dummy, algName, temp);
// Chop of the v from the version string
size_t numStart = temp.find('v');
// this doesn't abort if the version string doesn't contain a v
numStart = numStart != 1 ? 1 : 0;
temp = std::string(temp.begin() + numStart, temp.end());
const int version = boost::lexical_cast<int>(temp);
// Get the execution date/time
std::string date, time;
getWordsInString(info[EXEC_TIME], dummy, dummy, date, time);
Poco::DateTime start_timedate;
// This is needed by the Poco parsing function
int tzdiff(-1);
Mantid::Types::Core::DateAndTime utc_start;
if (!Poco::DateTimeParser::tryParse("%Y-%b-%d %H:%M:%S", date + " " + time,
start_timedate, tzdiff)) {
g_log.warning() << "Error parsing start time in algorithm history entry."
<< "\n";
utc_start = Types::Core::DateAndTime::defaultTime();
}
// Get the duration
getWordsInString(info[EXEC_DUR], dummy, dummy, temp, dummy);
double dur = boost::lexical_cast<double>(temp);
if (dur < -1.0) {
g_log.warning() << "Error parsing duration in algorithm history entry."
<< "\n";
dur = -1.0;
}
// Convert the timestamp to time_t to DateAndTime
utc_start.set_from_time_t(start_timedate.timestamp().epochTime());
// Create the algorithm history
API::AlgorithmHistory alg_hist(algName, version, utc_start, dur,
Algorithm::g_execCount);
// Simulate running an algorithm
++Algorithm::g_execCount;
// Add property information
for (size_t index = static_cast<size_t>(PARAMS) + 1; index < nlines;
++index) {
const std::string line = info[index];
std::string::size_type colon = line.find(':');
std::string::size_type comma = line.find(',');
// Each colon has a space after it
std::string prop_name = line.substr(colon + 2, comma - colon - 2);
colon = line.find(':', comma);
comma = line.find(", Default?", colon);
std::string prop_value = line.substr(colon + 2, comma - colon - 2);
colon = line.find(':', comma);
comma = line.find(", Direction", colon);
std::string is_def = line.substr(colon + 2, comma - colon - 2);
colon = line.find(':', comma);
comma = line.find(',', colon);
std::string direction = line.substr(colon + 2, comma - colon - 2);
unsigned int direc(Mantid::Kernel::Direction::asEnum(direction));
alg_hist.addProperty(prop_name, prop_value, (is_def[0] == 'Y'), direc);
}
AlgorithmHistory_sptr history =
boost::make_shared<AlgorithmHistory>(alg_hist);
return history;
}