Refactor: Extract two methods from submitIntentData()

Change-Id: I2c75039bed836ec3695bee1c8a7664bea8779d9e

@@ -294,9 +294,16 @@ public class IntentManager
     }
 
     private CompletableFuture<FinalIntentProcessPhase> submitIntentData(IntentData data) {
+        IntentProcessPhase initial = createInitialPhase(data);
+        return CompletableFuture.supplyAsync(() -> process(initial), workerExecutor);
+    }
+
+    private IntentProcessPhase createInitialPhase(IntentData data) {
         IntentData current = store.getIntentData(data.key());
-        IntentProcessPhase initial = newInitialPhase(processor, data, current);
-        return CompletableFuture.supplyAsync(() -> {
+        return newInitialPhase(processor, data, current);
+    }
+
+    private FinalIntentProcessPhase process(IntentProcessPhase initial) {
         Optional<IntentProcessPhase> currentPhase = Optional.of(initial);
         IntentProcessPhase previousPhase = initial;
 
@@ -305,7 +312,6 @@ public class IntentManager
             currentPhase = previousPhase.execute();
         }
         return (FinalIntentProcessPhase) previousPhase;
-        }, workerExecutor);
     }
 
     private class InternalBatchDelegate implements IntentBatchDelegate {