From 32a32a70134b0ae29a35ed94f8ce3730a74eea26 Mon Sep 17 00:00:00 2001
From: Lanchid <thomas.heinemann@rwth-aachen.de>
Date: Tue, 7 May 2013 16:19:10 +0200
Subject: [PATCH] Added extended model checker factory functions. As currently
 only gmm++ is usable as matrix library they are not really useful, but they
 can be easily extended in the future.

---
 src/storm.cpp | 36 +++++++++++++++++++++++++-----------
 1 file changed, 25 insertions(+), 11 deletions(-)

diff --git a/src/storm.cpp b/src/storm.cpp
index f332c5329..e7f7c6323 100644
--- a/src/storm.cpp
+++ b/src/storm.cpp
@@ -142,23 +142,35 @@ void cleanUp() {
 }
 
 /*!
- * Factory style creation of new MDP model checker
- * @param mdp The Dtmc that the model checker will check
+ * Factory style creation of new DTMC model checker
+ * @param dtmc The Dtmc that the model checker will check
  * @return
  */
-storm::modelchecker::AbstractModelChecker<double>* createPrctlModelChecker(storm::models::Mdp<double>& mdp) {
-	//TODO: Add support for different libraries (read from settings)
-	return new storm::modelchecker::GmmxxMdpPrctlModelChecker<double>(mdp);
+storm::modelchecker::AbstractModelChecker<double>* createPrctlModelChecker(storm::models::Dtmc<double>& dtmc) {
+	storm::settings::Settings* s = storm::settings::instance();
+	if (s->getString("matrixlib") == "gmm++") {
+		return new storm::modelchecker::GmmxxDtmcPrctlModelChecker<double>(dtmc);
+	}
+	// The control flow should never reach this point, as there is a default setting for matrixlib (gmm++)
+	std::string message = "No matrix library suitable for DTMC model checking has been set";
+	throw storm::exceptions::InvalidSettingsException() << message;
+	return nullptr;
 }
 
 /*!
- * Factory style creation of new DTMC model checker
- * @param dtmc The Dtmc that the model checker will check
+ * Factory style creation of new MDP model checker
+ * @param mdp The Dtmc that the model checker will check
  * @return
  */
-storm::modelchecker::AbstractModelChecker<double>* createPrctlModelChecker(storm::models::Dtmc<double>& dtmc) {
-	//TODO: Add support for different libraries (read from settings)
-	return new storm::modelchecker::GmmxxDtmcPrctlModelChecker<double>(dtmc);
+storm::modelchecker::AbstractModelChecker<double>* createPrctlModelChecker(storm::models::Mdp<double>& mdp) {
+	storm::settings::Settings* s = storm::settings::instance();
+	if (s->getString("matrixlib") == "gmm++") {
+		return new storm::modelchecker::GmmxxMdpPrctlModelChecker<double>(mdp);
+	}
+	// The control flow should never reach this point, as there is a default setting for matrixlib (gmm++)
+	std::string message = "No matrix library suitable for MDP model checking has been set";
+	throw storm::exceptions::InvalidSettingsException() << message;
+	return nullptr;
 }
 
 /*!
@@ -233,6 +245,9 @@ void check_main() {
 	storm::settings::Settings* s = storm::settings::instance();
 	storm::parser::AutoParser<double> parser(s->getString("trafile"), s->getString("labfile"), s->getString("staterew"), s->getString("transrew"));
 
+	LOG4CPLUS_DEBUG(logger, s->getString("matrixlib"));
+
+
 	switch (parser.getType()) {
 	case storm::models::DTMC:
 		LOG4CPLUS_INFO(logger, "Model was detected as DTMC");
@@ -269,7 +284,6 @@ int main(const int argc, const char* argv[]) {
 	}
 	setUp();
 
-
 	try {
 		LOG4CPLUS_INFO(logger, "StoRM was invoked.");