Restricted possible attribute keys using an enum

src/de/tudarmstadt/maki/simonstrator/api/component/vehicular/information/AvailableInformationAttributes.java

+/*
+ * Copyright (c) 2005-2010 KOM – Multimedia Communications Lab
+ *
+ * This file is part of Simonstrator.KOM.
+ * 
+ * Simonstrator.KOM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ * 
+ * PeerfactSim.KOM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with PeerfactSim.KOM.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package de.tudarmstadt.maki.simonstrator.api.component.vehicular.information;
+
+public enum AvailableInformationAttributes {
+	OWNER, EDGE
+}

src/de/tudarmstadt/maki/simonstrator/api/component/vehicular/information/PointInformation.java

@@ -50,11 +50,11 @@ public interface PointInformation {
 	 */
 	long getDetectionDate();
 
-	<T extends Object> void setAttribute(String pKey, T pValue);
+	<T extends Object> void setAttribute(AvailableInformationAttributes pKey, T pValue);
 
-	<T extends Object> T getAttribute(String pKey);
+	<T extends Object> T getAttribute(AvailableInformationAttributes pKey);
 
-	<T extends Object> List<T> getAttributes();
+	List<AvailableInformationAttributes> getAvailableAttributes();
 
-	<T extends Object> boolean hasAttribute(String pKey);
+	<T extends Object> boolean hasAttribute(AvailableInformationAttributes pKey);
 }