From bd398e30fd72b9f0b3002d6a909d422f656135a5 Mon Sep 17 00:00:00 2001
From: Eric Banks <ebanks@broadinstitute.org>
Date: Tue, 28 Feb 2012 09:25:35 -0500
Subject: [PATCH] Another quick optimization

---
 .../org/broadinstitute/sting/utils/variantcontext/Genotype.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/java/src/org/broadinstitute/sting/utils/variantcontext/Genotype.java b/public/java/src/org/broadinstitute/sting/utils/variantcontext/Genotype.java
index c3cf23303..ea86af442 100755
--- a/public/java/src/org/broadinstitute/sting/utils/variantcontext/Genotype.java
+++ b/public/java/src/org/broadinstitute/sting/utils/variantcontext/Genotype.java
@@ -29,7 +29,7 @@ public class Genotype implements Comparable<Genotype> {
     }
 
     public Genotype(String sampleName, List<Allele> alleles, double log10PError, Set<String> filters, Map<String, Object> attributes, boolean isPhased, double[] log10Likelihoods) {
-        if ( alleles == null )
+        if ( alleles == null || alleles.size() == 0 )
             this.alleles = Collections.emptyList();
         else
             this.alleles = Collections.unmodifiableList(alleles);