Check and abort if number of task combinations exceeds 10!

metaborg · Mar 6, 2014 · a52ab11 · a52ab11
1 parent 6ec4677
commit a52ab11
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/org.metaborg.runtime.task/src/main/java/org/metaborg/runtime/task/TaskInsertion.java b/org.metaborg.runtime.task/src/main/java/org/metaborg/runtime/task/TaskInsertion.java
@@ -193,8 +193,12 @@ private static IStrategoTerm insertResultLists(ITermFactory factory, ITaskEngine
 	 */
 	public static Collection<StrategoHashMap> cartesianProduct(Multimap<IStrategoTerm, IStrategoTerm> results) {
 		Collection<StrategoHashMap> result = new ArrayList<StrategoHashMap>();
-		if(results.size() > 0)
+		if(results.size() > 10) {
+			throw new RuntimeException("Instruction with more than 10 results not computable");
+		}
+		if(results.size() > 0) {
 			result.add(new StrategoHashMap());
+		}
 
 		for(Entry<IStrategoTerm, Collection<IStrategoTerm>> entry : results.asMap().entrySet()) {
 			Collection<StrategoHashMap> newResults = new ArrayList<StrategoHashMap>();