From d8da2b0eb021974d9eb19e05f4036302a46a1360 Mon Sep 17 00:00:00 2001
From: iMoHax <born19th@gmail.com>
Date: Mon, 9 Nov 2015 16:59:11 +0300
Subject: [PATCH] fix join with empty route

---
 core/src/main/java/ru/trader/analysis/Route.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/src/main/java/ru/trader/analysis/Route.java b/core/src/main/java/ru/trader/analysis/Route.java
index af5887d..56a1ebd 100644
--- a/core/src/main/java/ru/trader/analysis/Route.java
+++ b/core/src/main/java/ru/trader/analysis/Route.java
@@ -174,6 +174,7 @@ public class Route implements Comparable<Route> {
 
     public void join(Route route){
         LOG.trace("Join route {}", route);
+        if (route.isEmpty()) return;
         RouteEntry end = entries.get(entries.size()-1);
         if (route.entries.get(0).is(end.getVendor())){
             entries.remove(entries.size()-1);