QJsonObject WorkflowJSONConnector::createJSONOperationMetadata(const SPWorkFlowNode& node, const std::vector<SPWorkFlowNode>& outNodes) {
QJsonObject jsonMeta;
jsonMeta["longname"] = node->name();
jsonMeta["label"] = node->label();
jsonMeta["description"] = node->description();
quint64 nid = node->id();
std::vector<SPWorkFlowNode>::const_iterator p = std::find_if(
outNodes.begin(),
outNodes.end(),
[nid] (const SPWorkFlowNode& nod) { return nod->id() == nid; }
);
if (p != outNodes.end())
jsonMeta["final"] = true;
else
jsonMeta["final"] = false;
IOperationMetaData op = node->operation();
if (op.isValid()){
QString provider = op->resource()["namespace"].toString();
jsonMeta["resource"] = provider;
jsonMeta["syntax"] = op->resource()["syntax"].toString();
QString keywords = op->resource()["keyword"].toString();
jsonMeta["keywords"] = keywords;
jsonMeta["outputparametercount"] = (int) op->outputParameterCount();
}
jsonMeta["inputparametercount"] = node->inputCount();
return jsonMeta;
}
/**
* 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;
}
void WorkflowModel::selectOperation(const QString& id)
{
IOperationMetaData op;
op.prepare(id.toULongLong());
if ( op.isValid()){
_selectedOperation.clear();
_selectedOperation.append(new IlwisObjectModel(op->resource(),this));
}
emit selectionChanged();
}
