From 590ae94e9f8ff6250a4bd1a4363c6a0fa79f7c3c Mon Sep 17 00:00:00 2001
From: Dave Parker <dave.x.parker@gmail.com>
Date: Tue, 21 Jul 2015 11:53:15 +0000
Subject: [PATCH] Refactor explicit engine product construction.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@10398 bbc10eb1-c90d-0410-af57-cb519fbb1720
---
 prism/src/explicit/LTLModelChecker.java | 29 ++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/prism/src/explicit/LTLModelChecker.java b/prism/src/explicit/LTLModelChecker.java
index d019723b..cca48098 100644
--- a/prism/src/explicit/LTLModelChecker.java
+++ b/prism/src/explicit/LTLModelChecker.java
@@ -311,6 +311,33 @@ public class LTLModelChecker extends PrismComponent
 		return product;
 	}
 
+	/**
+	 * Generate a deterministic automaton for the given LTL formula
+	 * and construct the product of this automaton with an STPG.
+	 *
+	 * @param mc a ProbModelChecker, used for checking maximal state formulas
+	 * @param model the model
+	 * @param expr a path expression
+	 * @param statesOfInterest the set of states for which values should be calculated (null = all states)
+	 * @param allowedAcceptance the allowed acceptance conditions
+	 * @return the product with the DA
+	 * @throws PrismException
+	 */
+	public LTLProduct<STPG> constructProductSTPG(ProbModelChecker mc, STPG model, Expression expr, BitSet statesOfInterest, AcceptanceType... allowedAcceptance) throws PrismException
+	{
+		// Convert LTL formula to automaton
+		Vector<BitSet> labelBS = new Vector<BitSet>();
+		DA<BitSet,? extends AcceptanceOmega> da;
+		da = constructDAForLTLFormula(mc, model, expr, labelBS, allowedAcceptance);
+
+		// Build product of model and automaton
+		mainLog.println("\nConstructing STPG-"+da.getAutomataType()+" product...");
+		LTLProduct<STPG> product = constructProductModel(da, model, labelBS, statesOfInterest);
+		mainLog.print("\n" + product.getProductModel().infoStringTable());
+
+		return product;
+	}
+	
 	/**
 	 * Generate a deterministic automaton for the given LTL formula
 	 * and construct the product of this automaton with a model.
@@ -323,7 +350,7 @@ public class LTLModelChecker extends PrismComponent
 	 * @return the product with the DA
 	 * @throws PrismException
 	 */
-	public <M extends Model> LTLProduct<M> constructProductSTPG(ProbModelChecker mc, M model, Expression expr, BitSet statesOfInterest, AcceptanceType... allowedAcceptance) throws PrismException
+	public <M extends Model> LTLProduct<M> constructProductModel(ProbModelChecker mc, M model, Expression expr, BitSet statesOfInterest, AcceptanceType... allowedAcceptance) throws PrismException
 	{
 		// Convert LTL formula to automaton
 		Vector<BitSet> labelBS = new Vector<BitSet>();