1 files changed, 14 insertions, 2 deletions
diff --git a/id/server/moa-id-commons/src/main/java/com/datentechnik/moa/id/conf/persistence/ConfigurationImpl.java b/id/server/moa-id-commons/src/main/java/com/datentechnik/moa/id/conf/persistence/ConfigurationImpl.java
index 7a52d0c9d..eebecf509 100644
--- a/id/server/moa-id-commons/src/main/java/com/datentechnik/moa/id/conf/persistence/ConfigurationImpl.java
+++ b/id/server/moa-id-commons/src/main/java/com/datentechnik/moa/id/conf/persistence/ConfigurationImpl.java
@@ -66,7 +66,7 @@ public class ConfigurationImpl implements Configuration {
 	}
 
 	@Override
-	public void set(String key, Object value) {
+	public boolean set(String key, Object value) {
 
 		ConfigProperty keyValue = new ConfigProperty();
 		keyValue.setKey(key);
@@ -74,10 +74,11 @@ public class ConfigurationImpl implements Configuration {
 			keyValue.setValue(mapper.serialize(value));
 			// System.out.println(">> key - value: " + keyValue.getKey() + " - " + keyValue.getValue() + "\n");
 			configPropertyDao.saveProperty(keyValue);
-
+			return true;
 		} catch (JsonProcessingException e) {
 			// TODO do proper error handling
 			e.printStackTrace();
+			return false;
 		}
 
 	}
@@ -98,6 +99,10 @@ public class ConfigurationImpl implements Configuration {
 	public <T> List<T> getList(String key, Class<T> clazz) {
 
 		CollectionType listType = TypeFactory.defaultInstance().constructCollectionType(List.class, clazz);
+
+		if(configPropertyDao.getProperty(key)==null){
+			return new ArrayList<T>();
+		}
 		String json = configPropertyDao.getProperty(key).getValue();
 		ObjectMapper mapper = new ObjectMapper();
 
@@ -120,6 +125,12 @@ public class ConfigurationImpl implements Configuration {
 		return property.getValue();
 	}
 
+	@Override
+	public void delete(String key) {
+		configPropertyDao.delete(key);
+	}
+
+
 	/**
 	 * 
 	 *
@@ -178,4 +189,5 @@ public class ConfigurationImpl implements Configuration {
 
 	};
 
+
 }