From e38111aafddd6f891894dc249233aafe6ad8a6bd Mon Sep 17 00:00:00 2001
From: Fabian Becker <fabian.becker@uni-tuebingen.de>
Date: Tue, 8 Oct 2013 16:14:52 +0200
Subject: [PATCH] Select only instantiable classes

refs #3
---
 src/eva2/cli/Main.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/eva2/cli/Main.java b/src/eva2/cli/Main.java
index d00d869c..01ef2d59 100644
--- a/src/eva2/cli/Main.java
+++ b/src/eva2/cli/Main.java
@@ -9,6 +9,7 @@ import eva2.optimization.OptimizationStateListener;
 import org.reflections.Reflections;
 
 import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
@@ -76,11 +77,15 @@ public class Main implements OptimizationStateListener {
     }
 
     public static Map<String, Class<? extends InterfaceOptimizer>> createOptimizerList() {
-        Map<String, Class<? extends InterfaceOptimizer>>optimizerList = new HashMap<String, Class<? extends InterfaceOptimizer>>();
+        Map<String, Class<? extends InterfaceOptimizer>> optimizerList = new HashMap<String, Class<? extends InterfaceOptimizer>>();
 
         Reflections reflections = new Reflections("eva2.optimization.strategies");
         Set<Class<? extends InterfaceOptimizer>> optimizers = reflections.getSubTypesOf(InterfaceOptimizer.class);
         for(Class<? extends InterfaceOptimizer> optimizer : optimizers) {
+            // We only want instantiable classes.
+            if(optimizer.isInterface() || Modifier.isAbstract(optimizers.getClass().getModifiers())) {
+                continue;
+            }
             optimizerList.put(optimizer.getName(), optimizer);
         }
         return optimizerList;