From 6f1d65e2e936460870af900e1638c55de93959ea Mon Sep 17 00:00:00 2001
From: oblonski <jsprit.vehicle.routing@gmail.com>
Date: Fri, 6 Mar 2015 16:17:45 +0100
Subject: [PATCH] add handler jobs to be ruined exceeds available jobs

---
 .../src/main/java/jsprit/core/algorithm/ruin/RuinRandom.java     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/jsprit-core/src/main/java/jsprit/core/algorithm/ruin/RuinRandom.java b/jsprit-core/src/main/java/jsprit/core/algorithm/ruin/RuinRandom.java
index d80ee10f..7e43ccd8 100644
--- a/jsprit-core/src/main/java/jsprit/core/algorithm/ruin/RuinRandom.java
+++ b/jsprit-core/src/main/java/jsprit/core/algorithm/ruin/RuinRandom.java
@@ -94,6 +94,7 @@ public final class RuinRandom extends AbstractRuinStrategy {
 	private void ruin(Collection<VehicleRoute> vehicleRoutes, int nOfJobs2BeRemoved, List<Job> unassignedJobs) {
 		LinkedList<Job> availableJobs = new LinkedList<Job>(vrp.getJobs().values());
 		for (int i = 0; i < nOfJobs2BeRemoved; i++) {
+			if(availableJobs.isEmpty()) break;
 			Job job = pickRandomJob(availableJobs);
 			unassignedJobs.add(job);
 			availableJobs.remove(job);