Removes Connection.getSource() method

src/main/java/de/tu_darmstadt/tk/SmartHomeNetworkSim/core/Connection.java

@@ -45,13 +45,6 @@ public interface Connection {
 	 * @param link the link of this connection
 	 */
 	public void setLink(Link link);
-	
-	/**
-	 * Returns the SmartDevice which started this connection
-	 * 
-	 * @return source SmartDevice
-	 */
-	public Port getSource();
 
 	/**
 	 * Returns the SmartDevices that are part of this connection

src/main/java/de/tu_darmstadt/tk/SmartHomeNetworkSim/core/ConnectionPerformance.java

@@ -65,12 +65,6 @@ public class ConnectionPerformance implements Connection {
 		this.link = link;
 	}
 
-	@Override
-	public Port getSource() {
-		if(participants.size()==0)return null;
-		return participants.getFirst();
-	}
-
 	@Override
 	public Collection<Port> getParticipants() {
 		LinkedList<Port> out = new LinkedList<Port>();

src/main/java/de/tu_darmstadt/tk/SmartHomeNetworkSim/core/simpleImplementation/SimpleConnection.java

@@ -118,11 +118,6 @@ public class SimpleConnection implements Connection {
 		return list;
 	}
 
-	@Override
-	public Port getSource() {
-		return source;
-	}
-
 	@Override
 	public Collection<Port> getParticipants() {
 		return new LinkedList<Port>(Arrays.asList(source, destination));