From 4c57e6d3bf868cb39e1c2ec89742a33643a1d2f0 Mon Sep 17 00:00:00 2001
From: oblonski <4sschroeder@gmail.com>
Date: Mon, 2 Jun 2014 12:15:04 +0200
Subject: [PATCH] enabled chaining

---
 .../core/problem/solution/route/RouteActivityVisitor.java      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/jsprit-core/src/main/java/jsprit/core/problem/solution/route/RouteActivityVisitor.java b/jsprit-core/src/main/java/jsprit/core/problem/solution/route/RouteActivityVisitor.java
index 3de1f618..5d2bed01 100644
--- a/jsprit-core/src/main/java/jsprit/core/problem/solution/route/RouteActivityVisitor.java
+++ b/jsprit-core/src/main/java/jsprit/core/problem/solution/route/RouteActivityVisitor.java
@@ -58,9 +58,10 @@ public class RouteActivityVisitor implements RouteVisitor{
 		
 	}
 
-	public void addActivityVisitor(ActivityVisitor activityVisitor){
+	public RouteActivityVisitor addActivityVisitor(ActivityVisitor activityVisitor){
 		if(!visitors.contains(activityVisitor)){
 			visitors.add(activityVisitor);
 		}
+		return this;
 	}
 }