/**
* Executes an operation (or workflow) and generates output
* @param parameters the input and output parameters that the user filled in
*/
QString OperationCatalogModel::executeoperation(quint64 operationid, const QString& parameters, QVariant runparams) {
try {
IOperationMetaData metadata;
metadata.prepare(operationid);
auto opExpr = OperationExpression::createExpression(operationid, parameters);
if ( metadata.isValid() && opExpr.isValid()){
if ( metadata->resource().hasProperty("runinmainthread")){ // some operations may not run in a different thread. particular operations that invoke methods from the qml which must run in the mainthread
OperationWorker::run(opExpr);
}else {
QThread* thread = new QThread;
thread->setProperty("runparameters",runparams);
OperationWorker* worker = new OperationWorker(opExpr);
worker->moveToThread(thread);
thread->setProperty("workingcatalog", qVariantFromValue(context()->workingCatalog()));
thread->connect(thread, &QThread::started, worker, &OperationWorker::process);
thread->connect(worker, &OperationWorker::finished, thread, &QThread::quit);
thread->connect(worker, &OperationWorker::finished, worker, &OperationWorker::deleteLater);
thread->connect(thread, &QThread::finished, thread, &QThread::deleteLater);
thread->connect(worker, &OperationWorker::finished, this, &OperationCatalogModel::workerFinished);
thread->start();
return "TODO";
}
}
return sUNDEF;
} catch (const ErrorObject& err){
emit error(err.message());
}
return sUNDEF;
}
/**
* Executes an operation (or workflow) and generates output
* @param parameters the input and output parameters that the user filled in
*/
QString OperationCatalogModel::executeoperation(quint64 operationid, const QString& parameters) {
if ( operationid == 0 || parameters == "")
return sUNDEF;
Resource operationresource = mastercatalog()->id2Resource(operationid);
if ( !operationresource.isValid())
return sUNDEF;
em->clearList();
QString expression;
QStringList parms = parameters.split("|");
bool hasInvalidParameters = false;
for(int i = 0; i < parms.size(); ++ i){
if (operationresource.ilwisType() & itWORKFLOW){
int parm = i + 1;
if (operationresource[QString("pout_%1_optional").arg(parm)] == "false" && i < operationresource["outparameters"].toInt()) {
QString value = parms[i + operationresource["inparameters"].toInt()];
QString output = value.split("@@")[0];
if (output.size() == 0) {
em->addError(1, "Output parameter " + QString::number(i) + " is undefined with name " + operationresource[QString("pout_%1_name").arg(parm)].toString());
hasInvalidParameters = true;
} else {
for (const char& c : output.toStdString()) {
if (!isalnum(c) && c != ':' && c != '/' && c != '\\' && c != '.') {
em->addError(1, "Output parameter " + QString::number(i) + " is not a valid name");
hasInvalidParameters = true;
break;
}
}
}
}
if (operationresource[QString("pin_%1_optional").arg(parm)] == "false" && i < operationresource["inparameters"].toInt() && parms[i].size() == 0) {
em->addError(1, "Input parameter " + QString::number(i) + " is undefined with name " + operationresource[QString("pin_%1_name").arg(parm)].toString());
hasInvalidParameters = true;
}
}
if(i < operationresource["inparameters"].toInt()){
if ( expression.size() != 0)
expression += ",";
expression += parms[i];
}
}
if (hasInvalidParameters) return sUNDEF;
QString allOutputsString;
bool duplicateFileNames = false;
QStringList parts = operationresource["outparameters"].toString().split("|");
int maxparms = parts.last().toInt();
int count = 1;
for(int i=(parms.size() - maxparms); i<parms.size(); ++i){
QString output = parms[i];
QString pout = QString("pout_%1_type").arg(count++);
IlwisTypes outputtype = operationresource[pout].toULongLong();
if ( output.indexOf("@@") != -1 ){
QString format;
QStringList parts = output.split("@@");
output = parts[0];
if ( output == "")
continue;
//Check if user didnt put the same output name in another output field
int occurences = 0;
for(int j=(parms.size() - maxparms); j<parms.size(); ++j){
QString compareString = parms[j].split("@@")[0];
if(output == compareString){
occurences++;
}
}
//Add the duplicate name to the list of duplicate names
if(occurences>1){
duplicateFileNames = true;
em->addError(1, "Workflow did not execute, multiple occurences of an output name");
}
QString formatName = parts[1];
if ( operationresource.ilwisType() & itWORKFLOW) {
QStringList existingFileNames;
DIR *directory;
//If not memory
QString fileName;
if(formatName == "Memory" ){
//Get all files in the internal catalog
QString dataLocation = QStandardPaths::writableLocation(QStandardPaths::DataLocation) + "/internalcatalog";
directory = opendir(dataLocation.toStdString().c_str());
}else {
//Get all files in the directory
QString dataLocation = output;
dataLocation.remove("file:///");
QStringList splitUrl = dataLocation.split("/");
fileName = splitUrl.last();
QString query = "name='" + formatName + "'";
std::multimap<QString, Ilwis::DataFormat> formats = Ilwis::DataFormat::getSelectedBy(Ilwis::DataFormat::fpNAME, query);
if ( formats.size() == 1){
QString connector = (*formats.begin()).second.property(DataFormat::fpCONNECTOR).toString();
QString code = (*formats.begin()).second.property(DataFormat::fpCODE).toString();
QVariantList extensions = Ilwis::DataFormat::getFormatProperties(DataFormat::fpEXTENSION,outputtype, connector, code);
fileName += ".";
fileName += extensions[0].toString();
}
splitUrl.removeLast();
dataLocation = splitUrl.join("/");
directory = opendir(dataLocation.toStdString().c_str());
}
struct dirent *file;
//Put the existing file names in a list for later use
while ((file = readdir (directory)) != NULL) {
existingFileNames.push_back(file->d_name);
}
closedir(directory);
//Check if a file with the same name already exist
for(int j=0;j<existingFileNames.size();++j){
if(formatName == "Memory"){
if(existingFileNames[j] == output) {
duplicateFileNames = true;
em->addError(1, "Workflow did not execute duplicate name: " + output + ". Please change this name.");
}
}else{
if(existingFileNames[j] == fileName){
duplicateFileNames = true;
em->addError(1, "Workflow did not execute duplicate name: " + fileName + ". Please change this name.");
}
}
}
}
if ( hasType(outputtype, itCOLUMN)){
if ( formatName == "Memory"){
output = modifyTableOutputUrl(output, parms);
}else
output = parms[0] + "[" + output + "]";
}
if ( formatName == "Keep original"){
IIlwisObject obj;
obj.prepare(parms[0], operationresource["pin_1_type"].toULongLong());
if ( obj.isValid()){
IlwisTypes type = operationresource[pout].toULongLong();
QVariantList values = DataFormat::getFormatProperties(DataFormat::fpCODE,type,obj->provider());
if ( values.size() != 0){
format = "{format(" + obj->provider() + ",\"" + values[0].toString() + "\")}";
}else{
kernel()->issues()->log(QString("No valid conversion found for provider %1 and format %2").arg(obj->provider()).arg(IlwisObject::type2Name(type)));
return sUNDEF;
}
}
}
//overrule the user if he wants to store things in the internalcatalog, then the format is by defintion stream
if ( context()->workingCatalog()->source().url() == INTERNAL_OBJECT)
formatName == "Memory";
if ( formatName != "Memory"){ // special case
if ( format == "") {
QString query = "name='" + formatName + "'";
std::multimap<QString, Ilwis::DataFormat> formats = Ilwis::DataFormat::getSelectedBy(Ilwis::DataFormat::fpNAME, query);
if ( formats.size() == 1){
format = "{format(" + (*formats.begin()).second.property(DataFormat::fpCONNECTOR).toString() + ",\"" +
(*formats.begin()).second.property(DataFormat::fpCODE).toString() + "\")}";
}
}
// if there is no path we extend it with a path unless the output is a new column, output is than the "old" table so no new output object
if ( output.indexOf("://") == -1 )
output = context()->workingCatalog()->source().url().toString() + "/" + output + format;
else
output = output + format;
}else{
if ( hasType(outputtype,itRASTER)){
format = "{format(stream,\"rastercoverage\")}";
}else if (hasType(outputtype, itFEATURE)){
format = "{format(stream,\"featurecoverage\")}";
}else if (hasType(outputtype, itTABLE | itCOLUMN)){
format = "{format(stream,\"table\")}";
}else if (hasType(outputtype, itCATALOG)){
format = "{format(stream,\"catalog\")}";
}else if (hasType(outputtype, itDOMAIN)){
format = "{format(stream,\"domain\")}";
}else if (hasType(outputtype, itCOORDSYSTEM)){
format = "{format(stream,\"coordinatesystem\")}";
}else if (hasType(outputtype, itGEOREF)){
format = "{format(stream,\"georeference\")}";
}
output = output + format;
}
}
if(!allOutputsString.isEmpty()){
allOutputsString.append(",");
}
allOutputsString += output;
}
if(!duplicateFileNames){
if ( allOutputsString == "")
expression = QString("script %1(%2)").arg(operationresource.name()).arg(expression);
else
expression = QString("script %1=%2(%3)").arg(allOutputsString).arg(operationresource.name()).arg(expression);
OperationExpression opExpr(expression);
try {
QThread* thread = new QThread;
OperationWorker* worker = new OperationWorker(opExpr);
worker->moveToThread(thread);
thread->connect(thread, &QThread::started, worker, &OperationWorker::process);
thread->connect(worker, &OperationWorker::finished, thread, &QThread::quit);
thread->connect(worker, &OperationWorker::finished, worker, &OperationWorker::deleteLater);
thread->connect(thread, &QThread::finished, thread, &QThread::deleteLater);
thread->start();
return "TODO";
} catch (const ErrorObject& err){
emit error(err.message());
}
}
return sUNDEF;
}