diff --git a/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java b/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java
index 13080d7c6..22cfe29b4 100755
--- a/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/atn/ParserATNSimulator.java
@@ -669,23 +669,7 @@ public class ParserATNSimulator extends ATNSimulator {
 			}
 
 			if ( D.isAcceptState && D.configs.hasSemanticContext ) {
-				// We need to test all predicates, even in DFA states that
-				// uniquely predict alternative.
-				int nalts = decState.getNumberOfTransitions();
-				// Update DFA so reach becomes accept state with (predicate,alt)
-				// pairs if preds found for conflicting alts
-				BitSet altsToCollectPredsFrom = getConflictingAltsOrUniqueAlt(D.configs);
-				SemanticContext[] altToPred = getPredsForAmbigAlts(altsToCollectPredsFrom, D.configs, nalts);
-				if ( altToPred!=null ) {
-					D.predicates = getPredicatePredictions(altsToCollectPredsFrom, altToPred);
-					D.prediction = ATN.INVALID_ALT_NUMBER; // make sure we use preds
-				}
-				else {
-					// There are preds in configs but they might go away
-					// when OR'd together like {p}? || NONE == NONE. If neither
-					// alt has preds, resolve to min alt
-					D.prediction = altsToCollectPredsFrom.nextSetBit(0);
-				}
+				predicateDFAState(D, decState);
 
 				if ( D.predicates!=null ) {
 					int stopIndex = input.index();
@@ -720,6 +704,26 @@ public class ParserATNSimulator extends ATNSimulator {
 		}
 	}
 
+	protected void predicateDFAState(DFAState dfaState, DecisionState decisionState) {
+		// We need to test all predicates, even in DFA states that
+		// uniquely predict alternative.
+		int nalts = decisionState.getNumberOfTransitions();
+		// Update DFA so reach becomes accept state with (predicate,alt)
+		// pairs if preds found for conflicting alts
+		BitSet altsToCollectPredsFrom = getConflictingAltsOrUniqueAlt(dfaState.configs);
+		SemanticContext[] altToPred = getPredsForAmbigAlts(altsToCollectPredsFrom, dfaState.configs, nalts);
+		if ( altToPred!=null ) {
+			dfaState.predicates = getPredicatePredictions(altsToCollectPredsFrom, altToPred);
+			dfaState.prediction = ATN.INVALID_ALT_NUMBER; // make sure we use preds
+		}
+		else {
+			// There are preds in configs but they might go away
+			// when OR'd together like {p}? || NONE == NONE. If neither
+			// alt has preds, resolve to min alt
+			dfaState.prediction = altsToCollectPredsFrom.nextSetBit(0);
+		}
+	}
+
 	// comes back with reach.uniqueAlt set to a valid alt
 	public int execATNWithFullContext(DFA dfa,
 									  DFAState D, // how far we got before failing over